Home

Handheld Instruments Basic Service 061-4123-00

1. DMM800 Series Digital Multimeters The Tektronix DMM800 Series digital multimeters provide many features Table 1 lists the features of each meter for easy comparison TEHKDMM870 LIGHT PEAKH DIGITS AUTOH lt wma Rance HOLD RECALL RESET A store serue Bar 6 COM Vac o 9 Q FUSED oov E Lg m TRUE RMS Tektronix Figure 1 DMM870 Digital Multimeter Table 1 DMM800 series digital multimeter features Feature DMM830 DMM870 40 000 display count e e Bargraph e e Centering and zooming e True RMS or average AC measurements e ELS Autorange e IN A e Measurements a DC AC voltage e oe e AC DC voltage e oe e DC AC current e EM e Handheld Instruments Basic Service 1 DMM800 Series Digital Multimeters Table 1 DMM800 series digital multimeter features cont Feature DMM830 DMM870 Resistance e oe e Frequency e EN e Diodes and capacitors e EN e Continuity e EINEN e Duty factor ra 7 e Temperature EE e Decibel e AC volts and amps with Hz display e Measurement hold 9 e Peak hold e Minimum maximum and average values e e M M A time stamp e Delta mode e e HI LO limits e Memory store and recall e e Backlight e Automatic fuse verification e EN e Improper input connection warning e META e 2 Handheld Instruments Basic Service Hp d DMM800 Series Specifi
2. 150 Q Beeper does not sound Multimeter leads shorted Beeper sounds Diode test 0 5 V 0 400 V 0 600 V Capacitance test 3 600 nF 1 10 counts 3 554 nF 3 646 nF 36 00 nF 1 10 counts 35 54 nF 36 46 nF 360 0 nF 1 10 counts 355 4 nF 364 6 nF 3 600 uF 1 10 counts 3 554 uF 3 646 UF 36 00 uF 3 10 counts 34 82 uF 37 18 uF 360 00 FS 3 10 counts 348 2 uF 371 8 uF 3 600 mF 3 10 counts 3 482 mF 3 718 mF 36 00 mF3 3 10 counts 34 82 mF 37 18 mF 1 Variations in test equipment can cause erroneous readings Use a fixed value capacitance standard if instability occurs Setthe DMM to Delta mode Delta mode removes stray capacitance for low capacitance measurements 3 Setthe DMM noise suppression to 60 Hz with the SETUP mode See Page 15 for detailed instructions Handheld Instruments Basic Service 21 DMMS00 Series Performance Verification DMM830 test record cont Test input Display minimum Display maximum DC milliampere test 0 0 pA 10 counts 1 0 pA 1 0 pA 360 0 pA 0 5 10 counts 357 2 uA 362 8 uA 360 0 uA 0 5 10 counts 362 8 uA 357 2 pA 3600 0 uA 0 5 10 counts 3581 0 pA 3619 0 A 36 00 mA 0 5 10 counts 35 72 mA 36 28 mA 360 00 mA 0 5 10 counts 358 10 mA 361 90 mA AC milliampere test 60 Hz 3600 0 uA 1 2 80 counts 3548 8 uA 3651 2 uA 360 00 mA 1 2 80 counts 354 88 mA o 342m DC ampere test 10 000 A 0 5
3. Position Error The adjust the position error calibration perform the following steps 1 2 Set the clamp meter to the AC position Select the appropriate coil to multiply the AC current calibrator output to 380 A at 50 Hz Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Adjust VR1 to maintain the measurement error to less than 1 total while positioning the coil in the clamp Turn the calibrator output off Remove the clamp from the coil DC Auto Zero To adjust the DC zero calibration perform the following steps 1 Set the clamp meter to the DC position 2 Short the Auto Zero points indicated in Figure 2 Handheld Instruments Basic Service 15 DCM910 Adjustment Procedures A Le Adjust VR2 until the display reads 00 0 5 counts Remove the short Press the clamp meter DCA AUTO ZERO button to zero the display Adjust VR3 until the display reads 00 0 DC 400 A Range To adjust the DC 400 A range calibration perform the following steps 1 2 Soa OY oe Set the clamp meter to the DC position Select the appropriate coil to multiply the DC current calibrator output to 200 A Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Position the clamp to the center of the coil Adjust VR5 until the display reads 201 5 Turn the
4. Characteristics Description Resolution by range 3000 0 10 3kQ 10 30kQ 100 300 kO 1000 3MQ 1kQ 30 MQ 10 kQ Continuity check threshold Approximately 50 Q tone will sound Diode test Maximum test current 15mA Test voltage open circuit 3 3 V maximum Resolution 1 mV 1 AC conversions are AC coupled true RMS responding and calibrated to the RMS value of a sine wave input The basic accuracy is for sine wave at full scale and non sine wave below half scale 3 V range only for sine wave measurement For non sine wave accuracy refer to the following crest factor guide 1 4 to 2 0 add 0 5 to accuracy 2 0 to 2 5 add 2 to accuracy 2 5 to 3 0 add 4 to accuracy Table 3 Certifications and compliances EC Declaration of Conformity Meets intent of Directive 89 336 EE C for Electromagnetic Compatibility and Low Voltage Directive 73 23 EEC for Product Safety Compliance was demonstrated to the following specifications as listed in the Official J ournal of the European Communities EMC Directive 89 336 EEC EN 55011 Class B Radiated and Conducted Emissions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge Immunity IEC 801 3 RF Electromagnetic Field Immunity Low Voltage Directive 73 23 EEC as amended by 93 68 EEC EN 61010 1 A2 Safety requirements for electrical equipment for measurement control and laboratory use Certifications Listed UL3111 1 and CAN CSA C22 2 No 1010 1 Overvoltage Category Categor
5. 3 34 digital display with bargraph Shock absorbing holster Autorange volts ohms and manual range Measures DC and AC voltage true RMS measurement and current Measures resistance capacitance and frequency Diode and continuity checker Relative measurements Measurement hold Minimum and maximum values Memory store and recall Automatic power off after 30 minutes prolongs battery life Low battery indicator Uses one 9 V battery Figure 1 DMM254 Digital Multimeter Handheld Instruments Basic Service DMM234 Digital Multimeter 2 Handheld Instruments Basic Service A SAA DMM254 Specifications Accuracies are reading number of digits at 23 C 5 C at less than 80 R H relative humidity Table 1 General specifications Characteristics Display Polarity indication Overrange indication Low battery indication Sampling rate Description 33 4 digit Liquid Crystal Display LCD and a 42 segment analog bar graph Automatic positive implied negative indicated Most significant digit MS D blinks The low battery indicator is displayed when battery voltage drops below the operating level Analog bar graph 20 times second Digital display Capacitance mode 1 time second Other modes 2 times second Power supply One standard 9 V battery IEC 6F22 or ANSI NEDA 1640A Battery life 500 hours typical alkaline Auto power off The meter will automatically shut off approximately 30 minutes after t
6. Table 1 General specifications Characteristics Display Description 3200 count Liquid Crystal Display LCD with a 65 segment analog bargraph Polarity indication Automatic positive implied negative indicated Overrange indication OL or OL displayed Low battery indication Sampling rate Power supply Battery life typical Maximum input voltage Maximum floating voltage Maximum open circuit voltage current capaci tance inputs Overload protection V connector A connector pA mA connector TL60 test lead set Operating altitude Operating temperature Storage temperature Dimension H xW x D with holster The battery symbol displays when the battery voltage drops below the operating voltage level 2 times second Two standard AAA IEC LRO3 or ANSI NEDA 24A 1 5 V batteries 600 hours alkaline batteries 600 VDC or 600 VACrms CAT II between V and COM terminals 600 VDC or 600 VACgus CAT II between any terminal and earth GND 240 VDC or 240 VACams between current inputs and COM terminals 600 VDC or 600 VACgus 13 A 240 V fast blow fuse type AGX or 8AG Tektronix part number 159 0357 00 1A 240 V fast blow fuse type AGX or 8AG Tektronix part number 159 0355 00 Rated 1000 V GP ANSI ISA S82 02 1988 CSA 22 2 No 231 1 M89 C NRTL LR 100328 2000 m 6561 ft maximum 0 C to 450 C 0 80 R H 20 C to 460 C 0 80 R H with batteries removed from the meter 165 mm x 8
7. 6 Handheld Instruments Basic Service em GC a 1 DTM900 and DTM920 Performance Verification Test Equipment This section contains procedures to verify that the DTM900 and DTM920 thermometers perform as warranted If an instrument fails any of the checks it needs adjustment and or repair Verify the performance of your thermometer annually or whenever its accuracy or function is in question The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions m The instrument operates in an 18 to 28 C ambient environment with a relative humidity of less than 80 m The instrument warms up for 60 minutes m The instrument remains fully assembled do not remove the bottom cover The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 4 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Table 4 Performance verification test equipment Description Example product
8. Handheld Instruments Basic Service DMM 12 914 and 916 Adjustment Procedures 5 Turn the calibrator output off 6 Disconnect the calibrator from the multimeter Capacitance Perform the following steps to adjust the capacitance calibration 1 Set the multimeter dial to 4C 2 Null the residual DMM and lead capacitance offset a Using Fluke 5500A or Wavetek 9100 minus the 9105 front porch Turn the calibrator output off Connect the test leads to the multimeter C V Q4 and COM inputs Connect the multimeter COM lead to the calibrator common output Press the multimeter gold key followed by the A key Connect the multimeter C V Q46 lead to the remaining calibrator output Turn the calibrator output on b Using Wavetek 9100 with 9105 front porch se c ome Uo Rue Handheld Instruments Basic Service Turn the calibrator output off Connect the multimeter test leads to the calibrator outputs Connect the calibrator common lead to the multimeter COM input Press the multimeter gold key followed by the A key Connect the remaining calibrator output lead to the multimeter C V O4 input Turn the calibrator output on Set the calibrator to output 300 nF Adjust VR2 until the display shows 299 9 to 300 1 nF Set the calibrator to output 1 000 uF Adjust VR3 until the display shows 0 999 to 1 001 uF Set the calibrator to output 100 0 uF Adjust VR1 until the display shows 99 9 to 100 1 uF
9. Lay the meter face down on a flat work surface Remove the two screws from the meter bottom with a Phillips head screwdriver Gently lift the end of the bottom cover until it unsnaps from the top cover Do not remove the circuit board mounting screws To reassemble the meter following the adjustments perform steps 2 and 3 above in reverse order To return your instrument to factory calibration perform the following proce dures WARNING The following procedures produce magnetic fields that may cause a malfunction in heart pacemakers or damage to sensitive equipment To adjust the AC current calibration perform the following steps 1 2 Set the AC current calibrator to output 100 A at 50 Hz Set the multimeter function switch to the A position Select the appropriate coil to multiply the AC current calibrator output to 100 A at 50 Hz Handheld Instruments Basic Service DCM300 and DCM320 Adjustment Procedures Position the clamp around the current loop of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Adjust VR2 with a small flat tipped screwdriver set the multimeter reading to 100 0 Turn the calibrator output off Remove the clamp from the current loop AC Voltage To adjust the AC voltage calibration perform the following steps the multimeter circuit board T WARNING To avoid electrical shock avoid touching the exposed connections on
10. The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently Handheld Instruments Basic Service DMM249 Performance Verification Test Equipment Handheld Instruments Basic Service The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 5 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Table 5 Test equipment Description Minimum requirements Example product Universal Calibration Resolution amp accuracy 4 times Wavetek 9100 System greater than the multimeter display reading AC and DC volts measurement AC and DC current measurement Resistance measurement Capacitance measurement Capacitance Standard Optional Choose 4 wire measurement setup if available DMM249 Performance Verification Set Up To prepare for the performance verification checks do the following steps 1 Allow the multimeter to stabilize at the ambient temperature for one hour before testing 2 Turn the multimeter on by rotating the function switch to any position other than OFF NOTE You need to keep the multimeter powered o
11. 290 0 V 0 1 2 counts 289 5 V 290 5 V 600 0 V 0 1 2 counts 597 V 603 V Q test 0 00 01 0 4 4 counts 040 300 001 0 4 4 counts 298 40 301 6 Q 3 000 kO 0 4 2 counts 2 986 kQ 3 014 kQ 30 00 kO 0 4 2 counts 29 86 kQ 30 14 kQ 300 0 kO 0 4 2 counts 298 6 kQ 3014 kQ 3 000 MQ 0 6 3 counts 2979 KQ 3021 KQ 30 00 MQ 1 5 5 counts 29 50 MQ 30 50 MQ Set the DMM to Relative mode Handheld Instruments Basic Service 17 DMM254 Performance Verification DMM254 test record cont Test input Display minimum Display maximum Continuity test 0 0 0 Beeper sounds 100 Q Beeper does not sound Frequency test 100 00 Hz 0 1 4 counts 100 5 Hz 1 0000 kHz 1 Vp 0 1 4 counts 0 995 kHz 1 005 kHz 10 000 kHz 1 Vp 0 1 4 counts 9 95 kHz 10 05 kHz 100 00 kHz 1 Vp 0 1 4 counts 99 5 kHz 100 5 kHz 1 0000 MHz 0 5 4 counts 0 991 MHz 1 009 MHz Capacitance test1 2 3 600 nF 1 0 40 counts 3 524 nF 3 676 nF 36 00 nF 1 0 4 counts 35 24 nF 36 76 nF 360 0 nF 1 0 4 counts 352 4 nF 367 6 nF 3 600 uF 1 0 4 counts 3 524 uF 3 676 UF 36 00 uF 5 0 8 counts 34 12 uF 37 88 uF Variations in test equipment can cause erroneous readings Use a fixed value capacitance standard if instability occurs Set the DMM to Relative mode to remove stray capacitance for low capacitance measurements DC milliampere test 2 900 mA 0 4 2 counts 2 886 mA 2 9
12. ALILO bs Q ES Peak Hold VR9 Ee 8 veg S VR10 O e gt l S Figure 2 Adjustment locations el 2 Short for Position Error To adjust the position error calibration perform the following steps 1 2 Set the clamp meter to the AC position Select the appropriate coil to multiply the AC current calibrator output to 380 A at 50 Hz Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Adjust VR1 to maintain the measurement error to less than 1 total while positioning the coil in the clamp Turn the calibrator output off Remove the clamp meter from the coil DC Auto Zero To adjust the DC zero calibration perform the following steps 1 Set the clamp meter to the DC position 2 Short the Auto Zero points indicated in Figure 2 Handheld Instruments Basic Service 15 DCM330 Adjustment Procedures A Le Adjust VR2 until the display reads 00 0 5 counts Remove the short Press the clamp meter DCA AUTO ZERO button to zero the display Adjust VR3 until the display reads 00 0 DC 400 A Range To adjust the DC 400 A range calibration perform the following steps 1 2 Soa OY oe Set the clamp meter to the DC position Select the appropriate coil to multiply the DC current calibrator output
13. Set the calibrator frequency to 500 Hz sinewave Confirm that the reading is less than 2 011 V Repeat step 15 if necessary Turn the calibrator output off Disconnect the calibrator from the multimeter Reassembling the Multimeter 1 2 Ensure that the rotary dial is properly aligned Align the tabs of the bottom case half with the slots in the top case half at the end of the meter near the input connectors CAUTION Before closing the case check that the rotary dial is properly aligned and that the battery wires are not pinched 3 4 42 Close the case snapping the case halves together Reinstall the three screws Handheld Instruments Basic Service Instructions Manual Tektronix Y DMM 12 914 and 916 Digital Multimeters 070 9851 01 AAA D Table of Contents DMM 12 914 and 916 Digital Multimeters 1 DMM 12 914 and 916 Specifications ooooooooo oo 3 DMM0912 914 and 916 Performance Verification 9 Test Equipment dread etw each bacs VER ida Sect aos 10 Set Ups v wit e RUE ed s o Use Bee BATVAN EUR EUER T 11 Verification Procedure aaa n 12 DMM912 Test Record cuina a Te ox Rb 19 DMM914 Test Recorda ect ERE PEN RENE S 23 DMM 9196 est RecotQ 4 vert iE A AR 29 DMM0912 914 and 916 Adjustment Procedures 35 List of Adjustments 00 n 35 Test Equipment 1 erecgcee
14. Table of Contents il Handheld Instruments Basic Service A AA DMM150 Digital Multimeter The DMM150 is a rugged handheld digital multimeter that allows you to make accurate measurements quickly and easily Whether you are a professional or hobbyist this instrument provides a useful range of features Small pen style case 344 digit LCD display with bar graph Auto range volts ohms Measurement hold Measures DC and AC voltages resistance diode voltage and continuity Diode and continuity tester with audible signal Overvoltage protected Recessed input jacks for safety Automatic power off after 10 minutes to prolong battery life Low battery indicator Uses standard AAA batteries c wg Figure 1 DMM150 Digital Multimeter Handheld Instruments Basic Service DMM 1950 Digital Multimeter 2 Handheld Instruments Basic Service A 14 DMM150 Specifications All specifications are warranted unless noted typical Stated accuracies are reading number of counts at 23 C 5 C at less than 75 R H relative humidity Table 1 General specifications Characteristics Display Description 37 digit liquid crystal display LCD with a maximum reading of 3200 65 segment analog bar graph Polarity indication Automatic positive implied negative indicated Overrange indication OL or OL Low battery indication Sampling rate The bat
15. Thermocouple Simulator 200 to1370 C 0 01 Wavetek 9100 Universal 328 to 2498 F 0 01 Calibration System or Fluke 5500A Calibrator Handheld Instruments Basic Service 7 DTM900 and DTM920 Performance Verification Set Up To prepare for the performance verification checks do the following 1 Warm up the thermometer for 60 minutes 2 Photocopy the test record for your model on pages 9 through 12 to record your test results Verification Procedure Implement the following tests to verify the temperature measurement accuracy of your DTM900 or DTM920 thermometer 1 Connect the thermocouple simulator output to the temperature probe input For the DTM920 connect the simulator to the T1 input connector then repeat the test using the T2 input connector NOTE Thermocouple connectors are temperature sensitive For best measure ment accuracy do not touch the connector contacts and minimize handling of the connector housings 2 Set the simulator to the correct probe type The DTM900 thermometer uses a K type probe The DTM920 thermometer can use either a K or J type probe 3 For each of the conditions specified in the test records do the following a Set the thermometer Resolution to 0 1 or 1 DTM900 only b Set the thermometer to measure C or F c Setthe calibrator to each of the temperature values shown in the test records then verify that the thermometer display reads within the specified Di
16. e Set the multimeter function switch to the V position Connect the AC voltage calibrator output to the multimeter V and COM input terminals Set the AC voltage calibrator to output 300 V at 500 Hz DCM300 or 300 V at 50 Hz DCM320 Adjust VR1 with a small flat tipped screwdriver set the multimeter reading to 300 0 Turn the calibrator output off Disconnect the calibrator from the multimeter Resistance To adjust the resistance calibration perform the following steps 1 2 Handheld Instruments Basic Service Set the multimeter function switch to the Q position Connect the resistance calibrator output to the multimeter V Q and COM input terminals Set the resistance calibrator to simulate a 1 kQ resistance load Adjust VR3 with a small flat tipped screwdriver set the multimeter reading to 1 000 Turn the calibrator output off Disconnect the calibrator from the multimeter 15 DCM300 and DCM320 Adjustment Procedures 16 Continuity To adjust the continuity calibration perform the following steps 1 Connect the resistance calibrator output to the multimeter V and COM input terminals Set the resistance calibrator to simulate a 150 Q resistance load Place the bottom cover back on the meter and hold it in place The continuity buzzer will not sound during the following adjustments without the cover in place If the buzzer does not sound use a small flat tipped screwdriver t
17. 12 A AC Volts Check DC Volts Check DC Millivolts Check Implement the following checks to verify the performance of your DMM91X Series multimeter WARNING To avoid electric shock avoid touching exposed connections Perform the following steps to verify the AC voltage measurement accuracy 1 Set the multimeter dial to V 2 Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors 3 Set the calibrator to each of the values in the AC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter Perform the following steps to verify the DC volts measurement accuracy 1 Set the multimeter dial to V 2 Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors 3 Set the calibrator to each of the values in the DC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter Perform the following steps to verify the DC millivolt measurement accuracy 1 Set the multimeter dial to mV 2 Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors 3 Set the calibrator to each of the values in the DC millivolt test record and verify that the multimeter reads
18. c cece cece ene 14 DTM900 Adjustment Procedure 0 0 cee eee ce eee eee 16 DTM 920 Adjustment Procedure oooocccoccocccocccoc eens 18 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service PA d i DTM900 and DTM920 Digital Thermometers The Tektronix DTM900 and DTM920 are hand held digital thermometers that can measure temperature using a variety of thermocouple probes A K type surface measurement bead probe comes standard with both instruments The DTM900 thermometer uses a single K type probe the DTM920 uses K or J type probes The DTM920 thermometer has inputs for two probes and can perform differential measurements In addition the thermometers include the following features Temperature display in C or F A hold feature to freeze the display MIN and MAX readouts DTM900 thermometer includes MAX only A stopwatch DTM920 only Figure 1 DTM900 amp DTM920 digital thermometers Handheld Instruments Basic Service DTM900 and DTM920 Digital Thermometers 2 Handheld Instruments Basic Service A AA DTM900 and DTM920 Specifications The characteristics listed in this section apply under the following conditions m The instrument operates in an 18 to 28 C ambient environment un
19. 1 2 Set the multimeter dial to Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Continuity test record and verify proper operation Turn the calibrator output off Disconnect the calibrator from the multimeter Handheld Instruments Basic Service DMM912 914 and 916 Performance Verification 6 7 Insert the multimeter test leads into the C V OQ4 and COM input connectors of the multimeter Short the test leads together and check for proper operation Diode Check Perform the following steps to verify the diode check accuracy 1 2 Set the multimeter dial to Push the BLUE button to select the diode test mode Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Diode test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Capacitance Check Perform the following steps to verify the capacitance measurement accuracy 1 2 Handheld Instruments Basic Service Set the multimeter dial to 46 Set the noise suppression to 60 Hz a Press the DMM SETUP key repeatedly until the upper display reads 5060 b Set the main display to 60 Hz with the and keys Null the residual DMM and lead capa
20. 10 counts 9 940 A 10 060 A AC ampere test 60 Hz 10 000 A 1 2 80 counts 9 800 A 10 200 A 22 Handheld Instruments Basic Service DMMS00 Series Performance Verification DMM850 Test Records Procedure performed by Date Serial number DMMB50 test record Test input Display minimum Display maximum AC volts test 3 6000 V 40 895 40 counts 3 5672 V 3 6328 V 2 0 40 counts 3 5240V 3 6760 V 3 5 40 counts 3 4700V 3 7300 V 36 000 V 500 Hz 2 0 40 counts 35 240 V 36 760 V 10 kHz 3 5 40 counts 34 700 V 37 300 V 360 00 V 2 0 40 counts 35240V 367 60 V 3 5 40 counts 347 00V 373 00 V 750 0 V3 60 Hz 0 8 40 counts 740 0V 760 0 V 1 Verify the proper DMM range 5 display digits use the manual range if necessary The 750 V range displays 4 digits 2 Theupper display readout is 2 counts corresponding to the input frequency 3 750V range not specified above 100 Hz DC volts test 0 0000 V 0 1 10 counts 0 0010 V 0 0010 V 3 6000 V 0 1 10 counts 3 5954 V 3 6046 V 3 6000 V 10 196 10 counts 3 6046 V 3 5954 V 36 000 V 0 1 10 counts 35 954 V 36 046 V 360 00 V 0 1 10 counts 359 54 V 360 46 V 1000 0 V 0 1 10 counts 998 0 V 1002 0 V 1000 0 V 0 1 10 counts 1002 0V 998 0V Handheld Instruments Basic Service 23 DMMS00 Series Performance Verification DMMB50 test record cont Test input Display minimum
21. 12 914 and 916 Performance Verification DMM912 test record cont Test input Display minimum Display maximum DC milliampere test 0 0 pA 10 counts 1 0 pA 1 0 pA 360 0 pA 0 5 10 counts 357 2 uA 362 8 uA 360 0 uA 0 5 10 counts 362 8 uA 357 2 pA 3600 0 uA 0 5 10 counts 3581 0 pA 3619 0 A 36 00 mA 0 5 10 counts 35 72 mA 36 28 mA 360 00 mA 0 5 10 counts 358 10 mA 361 90 mA AC milliampere test 60 Hz 3600 0 uA 1 2 80 counts 3548 8 uA 3651 2 uA 360 00 mA 1 2 80 counts 354 88 mA o 342m DC ampere test 10 000 A 0 5 10 counts 9 940 A 10 060 A AC ampere test 60 Hz 10 000 A 1 2 80 counts 9 800 A 10 200 A 22 Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification DMM914 Test Record Procedure performed by Date Serial number DMM914 test record Test input Display minimum Display maximum AC volts test 3 6000 V 40 895 40 counts 3 5672 V 3 6328 V 2 0 40 counts 3 5240V 3 6760 V 3 5 40 counts 3 4700V 3 7300 V 36 000 V 500 Hz 2 0 40 counts 35 240 V 36 760 V 10 kHz 3 5 40 counts 34 700 V 37 300 V 360 00 V 2 0 40 counts 35240V 367 60 V 3 5 40 counts 347 00V 373 00 V 750 0 V3 60 Hz 0 8 40 counts 740 0V 760 0 V 1 Verify the proper DMM range 5 display digits use the manual range if necessary The 750 V range displays 4 digits 2 Theupper displa
22. 2 5 40 counts 35 060 V 36 940 V 360 00 V 60 Hz 1 0 40 counts 356 00 V 364 00 V 1 kHz 2 5 40 counts 350 60 V 369 40 V 750 0 V3 60 Hz 1 0 40 counts 738 5 V 761 5 V 1 Verify proper DMM range 5 display digits use manual range if necessary The 750 V range displays 4 digits 2 The upper display readout is 2 counts corresponding to the input frequency 3 750V range not specified above 100 Hz DC volts test 0 0000 V 0 2 10 counts 0 0010 V 0 0010 V 3 6000 V 0 2 10 counts 3 5918 V 3 6082 V 3 6000 V 0 2 10 counts 3 6082 V 3 5918 V 36 000 V 0 2 10 counts 35 918 V 36 082 V 360 00 V 0 2 10 counts 359 18 V 360 82 V 1000 0 V 0 2 10 counts 997 0 V 1003 0 V 1000 0 V 0 2 10 counts 1003 0 V 997 0 V DC millivolts test 0 00 mV 0 2 10 counts 0 10 mV 0 10 mV 40 00 mV 0 2 10 counts 39 82 mV 40 18 mV 360 00 mV 0 2 10 counts 359 18 mV 360 82 mV 360 00 mV 0 2 10 counts 360 82 mV 359 18 mV Handheld Instruments Basic Service 19 DMMS00 Series Performance Verification DMM830 test record cont Test input Display minimum Display maximum AC DC volts test 1 000 V 32 295 14 counts 0 964 V 1 036 V 1 000 V rE 2 2 14 counts 0 964 V 1 000 V 60Hz 22 14 counts 0 964 V 1 4000 count a only Frequency test 20 00 Hz 0 01 10 counts 19 90 Hz 20 10 Hz 100 00 Hz 1 Vpp 0 01 10 counts 99 89 Hz 100 1
23. DCM300 DCM320 Digital Clamp Multimeter on by sliding the function switch to any position other than OFF 2 Warm up the instrument for 20 minutes 3 Photocopy the test record on pages 11 and 12 to record your test results Verification Procedure The following checks verify the performance of your DCM300 or DCM320 multimeter malfunction in heart pacemakers or damage to sensitive equipment i WARNING The following procedures produce magnetic fields that may cause a AC Current Check To check the AC current accuracy perform the following steps 1 Set the multimeter function switch to the A position 2 Set up the AC current calibrator to output the values in the AC current test record NOTE Select the appropriate coils to multiply the AC Current calibrator output for each of the values listed in the AC current test record 3 For each of the conditions listed in the AC current test record position the clamp around the current loop of the AC current calibrator and release the clamp trigger Ensure that the clamp is entirely closed 8 Handheld Instruments Basic Service DCM300 and DCM320 Performance Verification Verify that the multimeter display reads within the specified Display minimum and maximum limits for each of the specified conditions Turn the calibrator output off Remove the clamp from the current loop AC Voltage Check To check the AC voltage accuracy perform the following steps t
24. Description AC current Ranges 300 pA 3 mA 30 mA 300 mA 10A 10 A range 30 seconds maximum above 10 A inputup to 20 A Accuracy by range 300 uA 3 mA 30 mA 1 5 reading 4 counts 300 mA 2 reading 4 counts 10A 2 9 reading 5 counts Frequency response 40 Hz to 500 Hz Resolution by range 300 uA 0 1 pA 3mA 1pA 30 mA 10 pA 300 mA 100 uA 10A 10 mA AC conversion type Average sensing RMS indication Resistance Ranges 300 O 3 KQ 30 KQ 300 kQ 3 MO 30 MO Accuracy by range 3000 3MO 1 reading 4 counts 30MQ 2 reading 5 counts Other ranges 0 8 reading 2 counts Test voltage Approximately 1 3 V open circuit Resolution by range 3000 0 10 3kQ 10 30kQ 100 300kQ 100 Q 3MQ 1kQ 30MQ 10 kQ Capacitance Ranges 3 UF 30 uF 300 uF 3000 uF Accuracy by range 3 UF 30 uF 1 9 reading 5 counts 300 uF 1 9 reading 10 counts 3000 uF 2 9 reading 20 counts Handheld Instruments Basic Service DMM157 Specifications Table 2 Measurement characteristics cont Characteristics Description Resolution by range 3 uF 1 nF 30 uF 10 nF 300 uF 100 nF 3000 uF 1 uF Test frequency 3 pF 30 uF 82 Hz 300 uF 3000 uF 8 2 Hz Test voltage 3 3 V peak Continuity check Threshold The beeper sounds if the resistance of the circuit measured is lt 100 Q Beeper frequency typical 2 kHz Diode test Test current 1 5 mA maximum Test voltage 3 3 V maximum open c
25. Display maximum DC millivolts test 0 00 mV 0 1 10 counts 0 10 mV 0 10 mV 40 00 mV 0 1 10 counts 39 86 mV 40 14 mV 360 00 mV 0 1 10 counts 359 54 mV 360 46 mV 360 00 mV 0 1 10 counts 360 46 mV 359 54 mV AC DC volts test 1 000 V 2 0 14 counts 1 034 V 1 000 V DC 2 0 14 counts 0 966 V 1 034V 1 000 V 60 Hz 2 0 14 counts 0 966 V 1 034V 1 4000 count mode only Frequency test 20 00 Hz 1 Vp p 0 01 10 counts 19 90 Hz 20 10 Hz 100 00 Hz 0 01 10 counts 99 89 Hz 100 11 Hz 1 0000 kHz 0 01 10 counts 9989 kHz 1 0011 kHz 10 000 kHz 1Vp p 0 01 10 counts 9 989 kHz 10 011 kHz 100 00kHz1 1Vp p 0 01 10 counts 99 89 kHz 100 11 kHz 1 0000 MHz12 1V 0 15 10 counts 0 9975 MHz 1 0025 MHz 1 Select Frequency mode if using the Wavetek 9100 set the amplitude to 1 V Select the square wave AC mode if using the Fluke 5500A set the amplitude to 1 000 V Select the sine wave AC mode if using the Fluke 5500A set the amplitude to 0 354 V Duty factor test 50 0 5V 1 kHz 0 15 squarewave 90 0 5V 1 kHz 0 15 squarewave 10 0 5V 1kHz 0 15 squarewave 9 9 24 Handheld Instruments Basic Service DMMS00 Series Performance Verification DMMB50 test record cont Test input Display minimum Display maximum Q test 0 0000 Q1 0 4 10 counts 0 1000 Q 0 1000 Q 360 00 Q1 0 8 10 counts 357
26. MO 0 4 reading 4 digits 0 6 reading 3 digits 1 5 reading 5 digits 0 4 reading 2 digits Approximately 450 mV Handheld Instruments Basic Service DMM254 Specifications Table 2 Measurement characteristics cont Characteristics Description Resolution by range 4000 0 10 4kQ 10 40 KQ 100 400 kQ 100 Q 4MO 1kQ 40MQ 10 kQ Continuity check Threshold Less than or equal to 30 O tone will sound Tone frequency 2 kHz Diode test Test current 0 6 mA Test voltage open circuit 3 6 V maximum Capacitance Ranges 4 nF 40 nF 400 nF 4 uF 40 uF Accuracy in relative mode 4 nF range 1 reading 40 digits Other ranges 40 pF to 20 uF 1 reading 4 digits gt 20 uF 5 reading 8 digits Resolution by range 4 nF 1 pF 40 nF 10 pF 400 nF 100 pF 4 uF 1nF 40 uF 10 nF Frequency Ranges 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz Accuracy 100 Hz to 100 kHz 0 1 reading 4 digits 1 MHz 0 5 reading 4 digits Sensitivity 1 Hz to 20 kHz 40 mVams 20 kHz to 1 MHz 400 MVR MS Handheld Instruments Basic Service DMM254 Specifications Table 2 Measurement characteristics cont Characteristics Description Resolution by range 100 Hz 0 01 Hz 1kHz 0 1 Hz 10 kHz 1 Hz 100 kHz 10 Hz 1 MHz 100 Hz ADp mode Display 10 counts per 1 mV DC Accuracy 0 3 reading 4 digits Table 3 Certifications and compliances EC Declaration of Conformi
27. Manual Tektronix Y CMM150 AC Current Probe 070 9937 00 AAA D Table of Contents CMM150 AC Current Probe o oooooooooocoococmmmo cmo oo CMM150 Specifications 0 ccc cece cece eee nnn CMM150 Performance Verification eee Test Equipment eso li Oot ae adds Dec Rs ROS Set Upz z cuu vx tat BAe se Pede eR AVANT URN AA Verification Procedure o ooooooooooo ees EMMISO Test Record 5 a acetone CMM150 Adjustment Procedures eee Test Equipment cake cape bcc eer e rev ex edly RR REC eee Preparation for Adjustment oooooooococooo eh Adj stment irs ole ee ERE RH DERIT R E EHE RR RE ges cO Ow 1o0o0uU U E p Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service AA CMM150 AC Current Probe The CMM150 measures AC current up to 300 A when used with the DMM150 Digital Multimeter The current probe acts as a current to voltage transformer The probe captures the current induced magnetic fields around a conductor wire and converts the fields to a proportional voltage that is displayed on the DMM150 Figure 1 CMM150 AC Current Probe with DMM150 Digital Multimeter Handheld Instruments Basic Service 1 CMM150 AC Current Probe 2 Handheld Instruments Basic Service AS CMM150 Specifications Accuracies are reading n
28. R Set the clamp meter to the AC position Select the appropriate coil to multiply the AC current calibrator output to 400 A at 400 Hz Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Position the clamp to the center of the coil Adjust VR7 until the display reads 400 Turn the calibrator output off Remove the clamp from the coil Peak Hold To adjust the peak hold calibration perform the following steps 1 Handheld Instruments Basic Service 2 3 4 5 6 7 Set the clamp meter to the AC position Short the Peak Hold points indicated in Figure 2 Press PEAK HOLD to activate the function Adjust VR9 until the display reads 00 0 Remove the short Press PEAK HOLD to cancel the function Press PEAK HOLD again to verify that the display reads 00 0 17 DCM910 Adjustment Procedures 10 11 12 13 14 15 16 Table 8 Summary of adjustments Press PEAK HOLD to cancel the function Repeat steps 2 through 8 above until the display reads 00 0 Select the appropriate coil to multiply the AC current calibrator output to 200 A at 400 Hz Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Position the clamp to the center of the coil Adjust VR10 until the display reads 200 0 Turn the calibrator output off Remove the clamp from
29. a 21 to 25 C ambient environment with a relative humidity of 75 or less Warm up the multimeter for at least 15 minutes Do not alter any setting without reading the entire adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual Open the Meter Case You must open the multimeter case to access the internal adjustments Use the following procedure to open the case 1 Lay the meter face down on a flat work surface that cannot damage the multimeter face Remove the three screws from the case bottom using a standard Philips head screwdriver Gently lift the end of the case bottom at the end opposite from the display Then lift the end nearest the display until it unsnaps from the case top See Figure 2 for details To reassemble the multimeter following the adjustments see page 42 36 Handheld Instruments Basic Service DMM800 Series Adjustment Procedures Case bottom Remove screws 3 O ASA Figure 2 Opening the meter case Handheld Instruments Basic Service 37 DMM800 Series Adjustment Procedures Adjustments Part 1 38 DC Volts AC Volts The procedures within this section use the adjustments accessible with the back case removed from the multimeter VR 4 DMM850 and DMM870 Figure 3 Adjustment locations 1 Perform the following steps to adjust the DC vol
30. avoid touching exposed connections AC Volts Check Perform the following steps to verify the AC voltage measurement accuracy 1 Set the multimeter dial to V 2 Push the BLUE button to select AC volts 3 Connect the calibrator outputs to the multimeter V Q and COM input connectors 4 Setthe calibrator to each of the values in the AC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits 5 Setthe calibrator output to OFF 6 Disconnect the calibrator from the multimeter DC Volts Check Perform the following steps to verify the DC volts measurement accuracy 1 Set the multimeter dial to V 2 Connect the calibrator outputs to the multimeter V Q and COM input connectors 3 Setthe calibrator to each of the values in the DC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Setthe calibrator output to OFF 5 Disconnect the calibrator from the multimeter 10 Handheld Instruments Basic Service DMM1957 Performance Verification CQ Check Perform the following steps to verify the resistance measurement accuracy in Q mode 1 2 Set the multimeter dial to Q Connect the calibrator outputs to the multimeter V Q and COM input connectors Set the calibrator to each of the values in the Q test record and verify that the multimeter reads within the specified Display minimum and ma
31. calibrator output off Remove the clamp from the coil DC 1000 A Range To adjust the DC 1000 A range calibration perform the following steps 1 2 geo id OEA 16 Set the clamp meter to the DC position Select the appropriate coil to multiply the DC current calibrator output to 400 A Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Press the clamp meter DCA AUTO ZERO button to zero the display Position the clamp to the center of the coil Adjust VR6 until the display reads 400 Turn the calibrator output off Remove the clamp from the coil Handheld Instruments Basic Service DCM910 Adjustment Procedures AC 400A Range To adjust the AC 400 A range calibration perform the following steps 1 2 Set the clamp meter to the AC position Select the appropriate coil to multiply the AC current calibrator output to 390 A at 400 Hz Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Position the clamp to the center of the coil Adjust VR8 until the display reads 396 0 To keep the meter on the lower range it may be necessary to cycle the calibrator output off and on Turn the calibrator output off Remove the clamp from the coil AC 1000 A Range To adjust the AC 1000 A range calibration perform the following steps 1 2 D ce We
32. from optional service manuals Refer to the optional accessories list in your user manual for Tektronix part numbers of optional service manuals A list of many handheld and benchtop instruments manuals are listed in Table ii on Page i NOTE This manual provides the necessary service information to verify that your instrument is working properly Should you have service related questions not covered in either this manual or in an optional service manual please contact your Tektronix Service Center for additional information For product warranty information refer to the user manual supplied with your instrument Handheld Instruments Basic Service xi Preface Contacting Tektronix Product For application oriented questions about a Tektronix measure Support ment product call toll free in North America 1 800 TEK WIDE 1 800 835 9433 ext 2400 6 00 a m 5 00 p m Pacific time Or contact us by e mail tm app suppGtek com For product support outside of North America contact your local Tektronix distributor or sales office Service Contact your local Tektronix distributor or sales office Or visit Support our web site for a listing of worldwide service locations http www tek com For other In North America information 1 800 TEK WIDE 1 800 835 9433 An operator will direct your call To write us Tektronix Inc P O Box 1000 Wilsonville OR 97070 1000 xii Handheld Instruments Basic Service Instructions
33. fully assembled and in the holster The DMM91X Series performance verification consists of the checks listed in Table 7 Table 7 Performance verification checks AC Volts Check DC Volts Check DC Millivolts Check AC DC Volts Check Frequency Check Duty Factor Check DMM914 and DMM916 Q Check Low Voltage O Check Continuity Check Diode Check Capacitance Check Temperature Check DMM914 and DMM916 Volts Peak Hold Check DMM916 DC Milliampere Check AC Milliampere Check DC Ampere Check AC Ampere Check The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently Handheld Instruments Basic Service 9 DMM 12 914 and 916 Performance Verification Test Equipment The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements listed in Table 8 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Table 8 Test equipment Description Minimum requirements Example product Universal Calibration Resolution amp accuracy 4 times Wavetek 9100 with 9105 lead System greater than the multimeter set display reading AC
34. less than 100 pF typical Resolution by range 3V 1mV 30V 10 mV 300 V 100 mV 600 V 1V Resistance Ranges 300 O 3 KQ 30 KQ 300 KQ 3 MQ 30 MQ Accuracy by range 300 Q 1 2 reading 4 counts 3 MQ 1 5 reading 3 counts 30 MQ 1 3 reading 5 counts Other ranges 1 0 reading 2 counts Test voltage Approximately 1 3 V open circuit Handheld Instruments Basic Service DMM150 Specifications Table 2 Measurement characteristics cont Characteristics Description Resolution by range 3000 0 10 3kQ 10 30kQ 100 300kQ 100 Q 3MQ 1kQ 30MQ 10 kQ Continuity check threshold The beeper sounds if the resistance of the circuit measured is lt 20 Q Diode test Test current 1 5 mA maximum Test voltage 3 3 V maximum open circuit Resolution 1mV Accuracy 1 5 5 counts from 0 4 V to 0 8 V Auto power off The meter automatically shuts off approximately ten minutes from the last function or mode change The meter turns on again when another range is selected or any button is pressed Table 3 Certifications and compliances EC Declaration of Conformity Certifications Overvoltage Category Meets intent of Directive 89 336 EEC for Electromagnetic Compatibility and Low Voltage Directive 73 23 EEC for Product Safety Compliance was demonstrated to the following specifications as listed in the Official J ournal of the European Communities EMC Directive 89 336 EEC EN 55011
35. outputs to the multimeter V O 4 and COM input connectors 3 Setthe calibrator to each of the values in the AC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter DC Volts Check Perform the following steps to verify the DC volts measurement accuracy 1 Set the multimeter dial to V and press the BLUE function button to select DC volts 2 Connect the calibrator outputs to the multimeter V O 4 and COM input connectors 3 Setthe calibrator to each of the values in the DC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter 12 Handheld Instruments Basic Service DMM254 Performance Verification Q Check Perform the following steps to verify the resistance measurement accuracy in Q mode 1 2 Set the multimeter dial to O Connect the calibrator outputs to the multimeter V O 4 and COM input connectors Set the calibrator to each of the values in the Q test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Continuity Check Perform the following steps to verify the continuity check accura
36. the adjustments listed in Table 6 to return DMM254 multimeter to factory calibration Table 6 DMM254 adjustments DC Volts AC Volts The test equipment listed in Table 5 on page 10 is a complete list of equipment needed for the adjustment procedures These procedures assume that the test equipment is operating within tolerance Alternative test equipment must meet or exceed the intended minimum require ments specified in Table 5 If you substitute equipment you may need to modify the procedures Handheld Instruments Basic Service 21 DMM234 Adjustment Procedures Preparation for Adjustment The following guidelines apply to all DMM254 adjustments 22 Open the Meter Case Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Warm up the multimeter for at least 15 minutes Do not alter any setting without reading the entire adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual You must open the multimeter case to access the internal adjustments Use the following procedure to open the case 1 Lay the meter face down on a flat work surface that cannot damage the multimeter face Remove the three screws from the case bottom using a standard Philips head screwdriver Gently lift the end of the case bottom at the end opposite from the di
37. the calibrator to each of the values in the AC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter 13 DMM249 Performance Verification DC Ampere Check Perform the following steps to verify the DC ampere measurement accuracy 1 Set the multimeter dial to A 2 Connect the calibrator outputs to the multimeter A and COM input connec tors 3 Set the calibrator to each of the values in the DC ampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter AC Ampere Check Perform the following steps to verify the AC ampere measurement accuracy 1 Set the multimeter dial to A 2 Push the DC AC button to select AC mode 3 Connect the calibrator outputs to the multimeter A and COM input connec tors 4 Set the calibrator to each of the values in the AC ampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 5 Turn the calibrator output off 6 Disconnect the calibrator from the multimeter 14 Handheld Instruments Basic Service DMM249 Performance Verification Handheld Instruments Basic Service 15 DMM249 Performance Verification DMM249 Test Record Serial number Pr
38. the coil Reassemble the meter Adjustment Circuit Display Display name Mode Test value Frequency location Tolerance minimum maximum Position Error AC 380A 50 Hz VR1 lt 5 counts 0 count 5 counts DC Zero DC 0 5 00 5 00 5 DC 0 1 00 1 00 1 DC 400A DC 0 5 201 2 201 8 Range DC 1000 A DC 1 399 401 Range AC 400A AC 0 1 395 5 396 5 Range AC 1000A AC 1 399 401 Range AC 200 0A 120 Hz VR102 0 1 199 9 200 1 1 Auto Zero points shorted Peak Hold points shorted 18 Handheld Instruments Basic Service Instructions Manual Tektronix Y DMM150 Digital Multimeter 070 9938 00 AAA D Table of Contents DMM150 Digital Multimeter oooooocoocoocmoomomom 1 DMM150 Specifications eee nnn 3 DMM150 Performance Verification eee 7 Test Equipment sad Caci ese tae Sia LAUR an S Oats ae Ce Res ROS 8 Set Upz c ois ux ete se Pe Udo eR DAN REN PERDRE S 8 Verification Procedure asss ean aaa a rr 9 DMM150 Test Record pisaia ean tents a eee ege recen A 11 DMM150 Adjustment Procedure eere 13 List of Adjustments oooooocoorrr n 13 Test Equipment eedem ERR RH prr eee ER RR EE rds 13 Preparation for Adjustment 0 2 0 cece ene 14 Adj stment A y ER oad ce EVA E ERE ERE RE EE rds 15 Reassembling the Multimeter 0 00 cee cece eese 16 Handheld Instruments Basic Service i
39. the test record on pages 11 and 12 to record your test results Verification Procedure The following checks verify the performance of your DCM910 meter malfunction in heart pacemakers or damage to sensitive equipment T WARNING The following procedures produce magnetic fields that may cause a AC Current Check To check the AC current accuracy perform the following steps 1 Set the meter function to AC 2 Select the appropriate coils as necessary to multiply the AC current calibrator output to each of the test values in the AC current test record For more information refer to the user manual of your calibrator 3 Position the clamp around the current loop of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed 4 Verify that the display reads within the specified Display minimum and maximum limits 5 Turn the calibrator output off 6 Remove the clamp from the current loop 8 Handheld Instruments Basic Service DCM910 Performance Verification DC Current Check To check the DC current accuracy perform the following steps 1 2 Set the meter function to DC In the absence of any magnetic fields press the DCA AUTO ZERO button to zero the meter Select the appropriate coil s as necessary to multiply the DC current calibrator output to each of the test values in the DC current test record For more information refer to the user manual of your calibrator
40. 0 0A 00 8 10 0A 11 0 11 0 100 0A 102 7 102 7 300 0A 306 5 306 5 380 0 A 388 0 1 At these frequencies the inductance of the DCM910 may shut down the output of some calibrators If this happens decrease the calibrator output frequency until the output remains on for the duration of the test Handheld Instruments Basic Service 11 DCM910 Performance Verification DCM910 test record cont Test input Display maximum DC current test 00A 01 0 100 0 A 105 9 300 0 A 309 7 600A 622 1000 A 1034 10 0A 8 8 100 0 A 94 1 Frequency test 20A 3 Hz 0 017 kHz 0 023 kHz 20A 3 Hz 0 047 kHz 0 053 kHz 20A 8 Hz 0 992 kHz 1 008 kHz 20 10 08 kHz 12 Handheld Instruments Basic Service A I 41 DCM910 Adjustment Procedures This section contains procedures to adjust the DCM910 Digital Clamp Meter If your instrument fails a performance requirement use these procedures to return it to factory specifications In this section you will find the following information m A list of adjustments m A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your multimeter meets factory specifications perform the procedures in the DCM910 Performance Verification section List of
41. 0 5 accuracy 0 to 400 A Wavetek 9100 with Option 50 7 accuracy 400 to 1000 A 200 current multiplier coils Set Up To prepare for the performance verification checks do the following 1 Turn the DCM330 Digital Clamp Meter on 2 Warm up the meter for 20 minutes 3 Photocopy the test record on pages 11 and 12 to record your test results Verification Procedure The following checks verify the performance of your DCM330 meter malfunction in heart pacemakers or damage to sensitive equipment T WARNING The following procedures produce magnetic fields that may cause a AC Current Check To check the AC current accuracy perform the following steps 1 Set the meter function to AC 2 Select the appropriate coils as necessary to multiply the AC current calibrator output to each of the test values in the AC current test record For more information refer to the user manual of your calibrator 3 Position the clamp around the current loop of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed 4 Verify that the display reads within the specified Display minimum and maximum limits 5 Turn the calibrator output off 6 Remove the clamp from the current loop 8 Handheld Instruments Basic Service DCM330 Performance Verification DC Current Check To check the DC current accuracy perform the following steps 1 2 Set the meter function to DC In the absence of any m
42. 0 mV 0 2 10 counts 359 18 mV 360 82 mV 360 00 mV 0 2 10 counts 360 82 mV 359 18 mV Handheld Instruments Basic Service 19 DMM 12 914 and 916 Performance Verification DMM912 test record cont Test input Display minimum Display maximum AC DC volts test 1 000 V 32 295 14 counts 0 964 V 1 036 V 1 000 V rE 2 2 14 counts 0 964 V 1 000 V 60Hz 22 14 counts 0 964 V 1 4000 count a only Frequency test 20 00 Hz 0 01 10 counts 19 90 Hz 20 10 Hz 100 00 Hz 1 Vpp 0 01 10 counts 99 89 Hz 100 11 Hz 1 0000kHz 1Vp 0 01 10 counts 9989 kHz 1 0011 kHz 10 000 kHz 0 01 10 counts 9 989 kHz 10 011 kHz 100 00 kHz 1Vp p 0 01 10 counts 99 89 kHz 100 11 kHz 1 0000 MHz12 1V 0 15 10 counts 0 9975 MHz 1 0025 MHz 1 Select Frequency mode if using the Wavetek 9100 set the amplitude to 1 V Select the square wave AC mode if using the Fluke 55004 set the amplitude to 1 000 V Select the sine wave AC mode if using the Fluke 5500A set the amplitude to 0 354 V Q test 0 00 Q1 30 596 10 counts 0 100 0100 360 00 Q1 1 10 counts 356 30 Q 363 70 Q 3 6000 kO 0 5 10 counts 3 5810 3 6190 kO 36 000 kO 0 5 10 counts 35 810 36 190 kO 360 00 kO 0 5 10 counts 358 10 KQ 361 90 kO 3 6000 MQ 1 10 counts 3 5630 MQ 3 6370 MQ 20 00 MO 5 10 counts 18 90 MQ 21 10 MQ 1 To test these values with the Fluke 550
43. 02 Q 362 98 Q 3 6000 kO 0 4 10 counts 3 5846 kO 3 6154 kO 36 000 kO 0 4 10 counts 35 846 kO 36 154 kO 360 00 kO 30 496 10 counts 358 46 kO 361 54 kO 3 6000 MQ 0 8 10 counts 3 5702 3 6298 MQ 20 00 MO 5 10 counts 18 90 M 21 10 MQ 1 To test these values with the Fluke 5500A apply 0 0 Q and set the DMM to Delta mode 2 4 000 count mode only Low voltage Q test 3 600 KQ 0 8 1 count 3 570 kQ 3 630 kO 36 00 kO 0 8 1 count 35 70 kQ 36 30 kO 360 0 kO 0 8 1 count 357 0 kQ 363 0 kO 3 600 MQ 0 8 1 count 3 570 MQ te 3 630 MQ 1 4000 count mode only 2 Use DMM manual ranging or set calibrator to 3 0 kQ before selecting 3 6kQ Continuity test 0 00 Beeper sounds 150 Q Beeper does not sound Multimeter leads shorted Beeper sounds Diode test 0 5 V 0 400 V 0 600 V Handheld Instruments Basic Service 25 DMMS00 Series Performance Verification DMMB50 test record cont Test input Capacitance test 3 600 nF 1 10 counts 3 554 nF 3 646 nF 36 00 nF 1 10 counts 35 54 nF 36 46 nF 360 0 nF 1 10 counts 355 4 nF 364 6 nF 3 600 uF 1 10 counts 3 554 uF 3 646 UF 36 00 uF 3 10 counts 34 82 UF 37 18 uF 360 00 uF3 3 10 counts 348 2 uF 371 8 uF 3 600 mF3 3 10 counts 3 482 mF 3 718 mF 36 00 mF3 3 10 counts 34 82 mF 37 18 mF 1 2 Variations in test equipment can cause erroneous readings Use a fixed value capacitance stand
44. 09 3 10 7 100 0 A 50 Hz 97 6 102 4 60 Hz 97 6 102 4 300 0 A 50 Hz 6 2 A 293 8 306 2 60 Hz 6 2 A 293 8 306 2 380 0 A 50 Hz 8 A 372 0 388 0 AC voltage test Handheld Instruments Basic Service 11 DCM300 and DCM320 Performance Verification DCM300 and DCM320 test record cont Test input Resistance and continuity test Tolerance Display minimum Reading Display maximum Buzzer must sound 1200 1 000 KQ 11 Q 109 Q ER 971 Q Buzzer must sound 1 029 kQ 3 700 kQ 3 617 KQ 3 783 kQ 39 00 KQ 38 13 KQ 39 87 KQ 12 Handheld Instruments Basic Service A QD uU DCM300 and DCM320 Adjustment Procedures This section contains procedures to adjust DCM300 and DCM320 Digital Clamp multimeters If your instrument fails a performance requirement use these procedures to return it to factory specifications In this section you will find the following information m A list of adjustments m A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your multimeter meets factory specifications implement the procedures in the DCM300 and DCM320 Performance Verification section List of Adjustments Use the adjustments listed in Table 7 to retu
45. 0A apply 0 0 Q and set the DMM to Delta mode 4000 count mode only 20 Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification DMM912 test record cont Test input Display minimum Display maximum Low voltage Q test 3 600 kQ 1 1 count 3 563 kQ 3 637 kQ 36 00 kO 1 1 count 35 63 kO 36 37 kQ 360 0 kO 1 1 count 356 3 kO 363 7 kQ 3 600 MO 1 1 count 3 563 MQ 3 637 MQ 1 4000 count mode only 2 Use DMM manual ranging or set calibrator to 3 0 kQ before selecting 3 6kQ Continuity test 0 0 0 Beeper sounds 150 Q Beeper does not sound Multimeter leads shorted Beeper sounds Diode test 0 5 V 0 400 V 0 600 V Capacitance test 3 600 nF 1 10 counts 3 554 nF 3 646 nF 36 00 nF 1 10 counts 35 54 nF 36 46 nF 360 0 nF 1 10 counts 355 4 nF 364 6 nF 3 600 uF 1 10 counts 3 554 uF 3 646 UF 36 00 uF 3 10 counts 34 82 uF 37 18 uF 360 00 FS 3 10 counts 348 2 uF 371 8 uF 3 600 mF 3 10 counts 3 482 mF 3 718 mF 36 00 mF3 3 10 counts 34 82 mF 37 18 mF 1 Variations in test equipment can cause erroneous readings Use a fixed value capacitance standard if instability occurs Setthe DMM to Delta mode Delta mode removes stray capacitance for low capacitance measurements 3 Setthe DMM noise suppression to 60 Hz with the SETUP mode See Page 15 for detailed instructions Handheld Instruments Basic Service 21 DMM
46. 1 Hz 1 0000kHz 1Vp 0 01 10 counts 9989 kHz 1 0011 kHz 10 000 kHz 0 01 10 counts 9 989 kHz 10 011 kHz 100 00 kHz 1Vp p 0 01 10 counts 99 89 kHz 100 11 kHz 1 0000 MHz12 1V 0 15 10 counts 0 9975 MHz 1 0025 MHz 1 Select Frequency mode if using the Wavetek 9100 set the amplitude to 1 V Select the square wave AC mode if using the Fluke 55004 set the amplitude to 1 000 V Select the sine wave AC mode if using the Fluke 5500A set the amplitude to 0 354 V Q test 0 00 Q1 30 596 10 counts 0 100 0100 360 00 Q1 1 10 counts 356 30 Q 363 70 Q 3 6000 kO 0 5 10 counts 3 5810 3 6190 kO 36 000 kO 0 5 10 counts 35 810 36 190 kO 360 00 kO 0 5 10 counts 358 10 KQ 361 90 kO 3 6000 MQ 1 10 counts 3 5630 MQ 3 6370 MQ 20 00 MO 5 10 counts 18 90 MQ 21 10 MQ 1 To test these values with the Fluke 5500A apply 0 0 Q and set the DMM to Delta mode 4000 count mode only 20 Handheld Instruments Basic Service DMMS00 Series Performance Verification DMM830 test record cont Test input Display minimum Display maximum Low voltage Q test 3 600 kQ 1 1 count 3 563 kQ 3 637 kQ 36 00 kO 1 1 count 35 63 kO 36 37 kQ 360 0 kO 1 1 count 356 3 kO 363 7 kQ 3 600 MO 1 1 count 3 563 MQ 3 637 MQ 1 4000 count mode only 2 Use DMM manual ranging or set calibrator to 3 0 kQ before selecting 3 6kQ Continuity test 0 0 0 Beeper sounds
47. 1000 V ranges 0 1 reading 2 digits Input impedance 10 MQ paralleled by less than 100 pF Resolution by range 400 mV 4V 40 V 400 V 1000 V AC volts Ranges Accuracy 50 Hz to 60 Hz 40 Hz to 1 kHz Input impedance Resolution by range 100 uV 1 mV 10 mV 100 mV 1V 400 mV 4 V 40 V 400 V 750 V All ranges except 400 mV 0 5 reading 5 digits 1 reading 5 digits 10 MQ paralleled by less than 100 pF 400 mV 100 pV 4V 1 mV 40 V 10 mV 400 V 100 mV 750 V 1V Handheld Instruments Basic Service DMM254 Specifications Table 2 Measurement characteristics cont Characteristics Description DC current Ranges 4 mA 40 mA 400 mA A 10 A The A range has a 30 second time limit for measuring current levels above 10 A but notto exceed 15 A Accuracy A 10 A 0 8 reading 4 digits Other ranges 0 4 reading 2 digits Burden voltage A 1 V maximum Other ranges 800 mV maximum Resolution by range 4 mA 1 pA 40 mA 10 uA 400 mA 100 uA A 10 mA AC current Ranges 4 mA 40 mA 400 mA A 10 A Accuracy 40 Hz to 1 kHz Resolution by range 4 mA 40 mA 400 mA A Resistance Ranges Accuracy 400 Q range 4 MQ range 40 MQ range Other ranges Test voltage The A range has a 30 second time limit for measuring current levels above 10 A but notto exceed 15 A 1 reading 5 digits 1 pA 10 pA 100 yA 10 mA 400 Q 4 KQ 40 KO 400 KO 4MQ 40
48. 13 mA 29 00 mA 0 4 2 counts 28 86 mA LS 29 13 mA 290 0 mA 0 4 2 counts 288 6 mA Ho A 291 3 mA AC milliampere test 50 Hz 2 900 mA 1 0 5 counts 2 866 mA 2 934 mA 29 00 mA 1 0 5 counts 28 66 mA 29 34 mA 290 0 mA 1 0 5 counts 286 6 mA 293 4 mA 18 Handheld Instruments Basic Service DMM254 Performance Verification DMM254 test record cont Test input Display minimum Display maximum DC ampere test 10 000 A 0 8 4 counts 9 88 A 10 12 A AC ampere test 50 Hz 10 000 A 1 0 5 counts 9 85 A Po 10 15A Handheld Instruments Basic Service 19 DMM254 Performance Verification 20 Handheld Instruments Basic Service EDU I 8 DMM254 Adjustment Procedures List of Adjustments Test Equipment This section contains procedures to adjust the DMM254 Digital Multimeter Perform these procedures once a year or if the DMM254 Performance Verifica tion procedure indicates the need for calibration In this section you will find the following information m A list of adjustments m A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your multimeter meets factory specifications perform the procedures in the DMM254 Performance Verification section Use
49. 18 to 28 C ambient environment with a relative humidity of less than 75 W The instrument warms up for 20 minutes m The instrument remains fully assembled do not remove the bottom cover The DCM300 and DCM320 performance verification consists of the checks listed in Table 5 Table 5 Performance verification checks AC Current Check AC Voltage Check Resistance and Continuity Check The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 6 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Handheld Instruments Basic Service 7 DCM300 and DCM320 Performance Verification Table 6 Test equipment Description Minimum requirements Example product AC Current Calibrator gt 0 5 accuracy 0 to 400 A Wavetek 9100 with option 200 20 796 accuracy 400 to 600 A SRW Dia AC Voltage Calibrator gt 0 2 accuracy X50 Current multiplier C oils Resistance Calibrator gt 0 3 accuracy Set Up To prepare for the performance verification checks do the following 1 Turn the
50. 18 90 M 21 10 MQ 1 To test these values with the Fluke 5500A apply 0 0 Q and set the DMM to Delta mode 2 Verify the DMM is in the 4 000 count mode for this test Low voltage Q test 3 600 kQ 0 6 1 count 3 577 KQ 3 623 KQ 36 00 KQ 0 6 1 count 35 77 KQ 36 23 KQ 360 0 kQ 0 6 1 count 357 7 KQ 362 3 KQ 3 600 MQ 0 6 1 count 3577 MQ hd 3 623 MQ 1 4000 count mode only 2 Use DMM manual ranging or set calibrator to 3 0 kQ before selecting 3 6kQ Continuity test 0 00 Beeper sounds 150 Q Beeper does not sound Multimeter leads shorted Beeper sounds Diode test 0 5 V 0 400 V 0 600 V Handheld Instruments Basic Service 31 DMMS00 Series Performance Verification DMM870 test record cont Test input Display minimum Display maximum Capacitance test 3 600 nF 1 10 counts 3 554 nF 3 646 nF 36 00 nF 1 10 counts 35 54 nF 36 46 nF 360 0 nF 1 10 counts 355 4 nF 364 6 nF 3 600 uF 1 10 counts 3 554 uF 3 646 UF 36 00 uF 3 10 counts 34 82 UF 37 18 uF 360 00 uF3 3 10 counts 348 2 uF 371 8 uF 3 600 mF 3 10 counts 3 482 mF 3 718 mF 36 00 mF 3 10 counts 34 82 mF 37 18 mF 1 Variations in test equipment can cause erroneous readings Use a fixed value capacitance standard if instability occurs Setthe DMM to Delta mode Delta mode removes stray capacitance for low capacitance measurements 3 Set the DMM noise suppression to
51. 20 test record Probe type Handheld Instruments Basic Service Temperature Display minimum Reading Display maximum 198 0 C 196 4 99 0 C 98 2 0 0 C 0 7 50 0 C 50 8 500 0 C 501 2 998 0 C 999 7 1360 C 1365 317 144 5 14 101 5 24891 11 DTM500 Series Performance Verification DTM520 test record cont Probe type Temperature Display minimum Reading Display maximum J 198 0 C 196 3 99 0 C 98 1 0 0 C 0 8 50 0 C 50 9 100 0 C 100 9 500 0 C 501 3 755 0 C 756 6 320 0 F 316 8 146 0 F 144 3 0 0 F 1 6 101 7 502 1 992 6 1390 F 1384 1396 12 Handheld Instruments Basic Service PS SA DTM500 Series Adjustment Procedures This section contains procedures to adjust DTM510 and DTM520 thermometers If your thermometer fails a performance requirement use these procedures to return it to factory specifications In this section you will find the following information A list of adjustments A list of test equipment needed to make the adjustments Instructions on how to prepare the instrument for adjustment Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your thermometer meets factory specifications implement the procedures in the DTM500 Series Performance Verification section List of Adjustments Use t
52. 3 mA 293 6 mA AC microampere test 50 Hz 0 0 pA 3 counts 00 3 pA 00 3 uA 290 0 uA 1 5 3 counts 285 4 pA 294 6 uA AC milliampere test 50 Hz 2 900 mA 1 5 3 counts 2 854 mA 2 946 mA 29 00 mA 1 5 3 counts 28 54 mA 29 46 mA 290 0 mA 2 0 3 counts 283 9 mA 296 1 mA DC ampere test 10 000 A 32 096 3 counts 9 7 A 1023A AC ampere test 50 Hz 10 000 A 2 5 5 counts 9 70A 10 30A Handheld Instruments Basic Service 17 NA AR nt DMM249 Adjustment Procedures List of Adjustments Test Equipment 18 This section contains procedures to adjust the DMM249 Digital Multimeter Perform these procedures once a year or if the DMM249 Performance Verifica tion procedure indicates the need for calibration In this section you will find the following information m A list of adjustments Wm A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your multimeter meets factory specifications perform the procedures in the DMM249 Performance Verification section Use the adjustments listed in Table 6 to return DMM249 multimeter to factory calibration Table 6 DMM249 adjustments DC Volts AC Volts The test equipment listed in Table 5 on page 9 is a complete list of equipment needed fo
53. 30 Digital Clamp Meter performs as warranted If an instrument fails any of the checks it needs adjustment and or repair The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions m The instrument operates in an 18 to 28 C 64 to 82 F ambient environment with a relative humidity of less than 7596 m The instrument warms up in the ambient environment for at least one hour m The instrument remains fully assembled do not remove the bottom cover The DCM330 performance verification consists of the checks listed in Table 5 Table 5 Performance verification checks AC Current Check DC Current Check Frequency Check The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specfied in Table 6 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Handheld Instruments Basic Service 7 DCM330 Performance Verification Table 6 Test equipment Description Example product AC DC Current Calibrator 2
54. 39 DMM0912 914 and 916 Adjustment Procedures 40 Temperature DMM914 and DMM916 DC Milliamperes DC Amperes 9 Turn the calibrator output off 10 Disconnect the calibrator from the multimeter Perform the following steps to adjust the temperature calibration 1 2 9o v m ocih Set the multimeter dial to C F Connect the thermocouple adapter ATKO1 to the C V Q4 and COM input connectors of the multimeter Set the calibrator to output 18 6 C Connect a K type thermocouple from the calibrator output to the ATKO1 thermocouple adapter Allow five minutes of settling time for a stable reading Adjust VR4 until the display shows 18 5 to 18 7 C Turn the calibrator output off Disconnect the calibrator from the multimeter Perform the following steps to adjust the DC milliamperes calibration 1 2 Set the multimeter dial to mA Connect the outputs of the calibrator to the yA mA and COM input connec tors of the multimeter Set calibrator to output 100 0 mA Press and hold the gold button for five seconds The multimeter beeps twice when the gold button is first pressed and then two more beeps follow after five seconds Press the SETUP button and wait for the calibration to finish CAL is displayed during the calibration After the calibration is completed press EXIT SETUP blue button Turn the calibrator output off Disconnect the calibrator from the multi
55. 5 mm x 40 mm 6 5 in x 3 3 in x 1 5 in Handheld Instruments Basic Service DMM157 Specifications Table 2 Measurement characteristics Characteristics Description DC Volts Ranges 300 mV 3 V 30 V 300 V 600 V Accuracy 0 5 reading 2 counts Input impedance typical 300 mV Near infinite resistance paralleled by less than 100 pF 3 V 30 V 300 V 600 V 10 MQ to 11 MQ paralleled by less than 100 pF Resolution by range 300 mV 100 uV 3V 1mV 30V 10 mV 300 V 100 mV 600 V 1V AC Volts Ranges 3 V 30 V 300 V 600 V Accuracy 1 5 reading 5 counts Frequency response 40 Hz to 500 Hz 3 V range is 40 Hz to 300 Hz Input impedance typical 10 MQ to 11 MQ paralleled by less than 100 pF Resolution by range 3V 1mV 30V 10 mV 300 V 100 mV 600 V 1V AC conversion type Average sensing RMS indication DC current Ranges 300 uA 3 mA 30 mA 300 mA 10A 10 A range 30 seconds maximum above 10 A inputup to 20 A Accuracy by range 300 uA 30 mA 0 9 reading 2 counts 3 mA 300 mA 1 2 reading 2 counts 10A 2 5 reading 5 counts Resolution by range 300 uA 0 1 pA 3mA 1 yA 30 mA 10 pA 300 mA 100 uA 10A 10 mA Handheld Instruments Basic Service DMM157 Specifications Table 2 Measurement characteristics cont Characteristics
56. 6 10 counts 360 31 mV 359 69 mV AC DC volts test 1 000 V 1 9 14 counts 1 033 V 1 000 V DC 1 9 14 counts 0 967 V 1 033V 1 000 V 60 Hz 11 995 14 counts 0 967 V 1 033V 1 4000 count mode only Frequency test 20 00 Hz 1 Vp p 0 01 10 counts 19 90 Hz 20 10 Hz 100 00 Hz 0 01 10 counts 99 89 Hz 100 11 Hz 1 0000 kHz 0 01 10 counts 9989 kHz 1 0011 kHz 10 000 kHz 1Vp p 0 01 10 counts 9 989 kHz 10 011 kHz 100 00kHz1 1Vp p 0 01 10 counts 99 89 kHz 100 11 kHz 1 0000 MHz12 1V 0 15 10 counts 0 9975 MHz 1 0025 MHz 1 Select Frequency mode if using the Wavetek 9100 set the amplitude to 1 V Select the square wave AC mode if using the Fluke 5500A set the amplitude to 1 000 V Select the sine wave AC mode if using the Fluke 5500A set the amplitude to 0 354 V Duty factor test 50 0 5V 1 kHz 0 15 squarewave 90 0 5V 1 kHz 0 15 squarewave 10 0 5V 1kHz 0 15 squarewave 9 9 30 Handheld Instruments Basic Service DMMS00 Series Performance Verification DMM870 test record cont Test input Display minimum Display maximum Q test 0 0000 Q1 0 3 10 counts 0 1000 Q 0 1000 Q 360 00 Q1 0 6 10 counts 357 74 Q 362 26 Q 3 6000 KQ 0 3 10 counts 3 5882 kO 3 6118 KQ 36 000 KQ 0 3 10 counts 35 882 kO 36 118 KQ 360 00 KQ 0 3 10 counts 358 82 kO 361 18 KQ 3 6000 MQ 0 6 10 counts 3 5774 3 6226 MQ 20 00 MQ 5 10 counts
57. 6 00 2245A Portable Oscilloscope B010100 to B015999 070 6557 00 B016000 and above 070 7672 00 2246A Portable Oscilloscope 070 6555 00 2246 1Y 2R 2246 Mod A 070 7062 00 2247A Portable Oscilloscope 070 6367 00 2252 Portable Oscilloscope 070 7838 01 2335 Oscilloscope 070 4116 00 2336 Oscilloscope 070 4118 00 2336YA Oscilloscope 070 5011 00 2337 Oscilloscope 070 4120 00 TAS 455 465 Oscilloscope 070 8524 02 TAS 465 Oscilloscope 070 9403 00 TAS 475 485 Oscilloscope B010100 to B020099 070 8878 01 B020100 and above 070 9404 00 TDS 210 220 Oscilloscope 070 9693 01 TDS 310 320 350 Oscilloscope 070 8570 05 TDS 340 340A 360 380 Oscilloscope 070 9435 02 THS 710 720 730 Oscilloscope 070 9246 03 Handheld Instruments Basic Service fcm EU I Ii General Safety Summary To Avoid Fire or Personal Injury Review the following safety precautions to avoid injury and prevent damage to the products in this manual or any products connected to them To avoid potential hazards use these products only as specified Only qualified personnel should perform service procedures While using these products you may need to access other parts of the system Read the General Safety Summary in other system manuals for warnings and cautions related to operating the system Use Proper Power Cord To avoid fire hazard use only the power cord specified for the product you are using Use Proper Voltage Setting Before applying power
58. 60 Hz with the SETUP mode See Page 15 for detailed instructions Temperature test 0 0 C 2 0 40 0 C 38 0 100 0 C 102 0 950 0 C 2 C 948 0 952 0 Volts peak hold test 1414 Vp 1 Vnus 60 Hz MIN 5 40 counts 1 524 V 1 303 V 1 414 Vj DC milliampere test 10 counts 1 0 pA 1 0 pA 0 3 10 counts 358 0 uA 362 0 uA 360 0 pA 0 3 10 counts 362 0 uA 358 0 uA 3600 0 uA 0 3 10 counts 3588 2 uA 3611 8 pA 36 00 mA 0 3 10 counts 35 80 mA 36 20 mA 360 00 mA 0 3 10 counts 358 82 mA 361 18 mA 32 Handheld Instruments Basic Service DMMS00 Series Performance Verification DMM870 test record cont Test input Display minimum Display maximum AC milliampere test 60 Hz 3600 0 pA 0 9 80 counts 3559 6 uA 3640 4 uA 360 00 mA 0 9 80 counts 355 96 mA Eo 364 04 mA 1 The upper display readout is 60 Hz 2 counts corresponding to the input frequency DC ampere test 10 000 A 40 395 10 counts 9 960A E 10 040 A AC ampere test 60 Hz 10 000 A 0 9 80 counts 9 830A 10 170A 1 The upper display readout is 60 Hz 2 counts corresponding to the input frequency 33 Handheld Instruments Basic Service DMMS00 Series Performance Verification 34 Handheld Instruments Basic Service a AA DMM800 Series Adjustment Procedures This section contains procedures to adjust DMM830 DMM850 and DMM870 multimeters Perform these p
59. Adjustment Procedures List of Adjustments Test Equipment This section contains procedures to adjust DTM900 and DTM920 thermometers If your thermometer fails a performance requirement use these procedures to return it to factory specifications In this section you will find the following information m A list of adjustments m A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your thermometer meets factory specifications implement the procedures in the DTM900 and DTM920 Performance Verification section Use the adjustments listed in Table 5 to return DTM900 and DTM920 thermom eters to factory calibration Table 5 DTM900 and DTM920 adjustments DTM900 Adjustment Procedure DTM920 Adjustment Procedure 2000 mV Calibration Gain Calibration 0 C Calibration To ensure accurate adjustments use the following or equivalent test equipment Alternative test equipment must meet or exceed the intended minimum requirementsspecified in Table 6 If you substitute equipment you may need to modify the procedures Handheld Instruments Basic Service 13 DTM900 and DTM920 Adjustment Procedures NOTE Before making any adjustment warm up the test equipment according to the manufacturer s recommendations Table 6 Adjustment test equipment D
60. Adjustments Use the adjustments listed in Table 7 to return the DCM910 clamp meter to factory calibration Table 7 DCM910 adjustments Position Error AC Current DC Current Peak Hold Test Equipment The test equipment listed in Table 6 on page 8 is a complete list of equipment needed for the adjustment procedures These procedures assume that all test equipment is operating within tolerance Detailed operating instructions for test equipment are not given in this procedure If you need operating information refer to the instruction manual of the test equipment Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 6 If you substitute equipment you may need to modify the procedures Handheld Instruments Basic Service 13 DCM910 Adjustment Procedures Preparation for Adjustment The following guidelines apply to all DCM910 adjustments Adjustment Procedure 14 Open the Meter Case A Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Before making any adjustment warm up the current meter for at least 30 minutes Do not alter any setting without reading the entire adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual You must open the meter case to gain access to the internal adju
61. C Ampere Check AC Ampere Check The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently Handheld Instruments Basic Service 9 DMMS00 Series Performance Verification Test Equipment The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 8 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Table 8 Test equipment Description Minimum requirements Example product Universal Calibration Resolution amp accuracy 4 times Wavetek 9100 with 9105 lead System greater than the multimeter set display reading AC and DC volts measurement AC and DC current measurement Resistance measurement Capacitance measurement Sinewave generation S quarewave generation Thermocouple adapter K Type Tektronix ATK01 Capacitance Standard Optional 1 Choose 4 wire measurement setup if available 10 Handheld Instruments Basic Service DMMS00 Series Performance Verification Set Up To prepare for the performance verification checks do the following steps 1 Allow the multimeter to stabilize at the ambie
62. C3 until the display shows 98 60 V Handheld Instruments Basic Service 41 DMM 912 914 and 916 Adjustment Procedures P CES a Set the calibrator frequency to 500 Hz sinewave Confirm that the reading is less than 100 60 V Repeat step 5 if necessary Set the calibrator frequency to 1 kHz sinewave Confirm that the reading is less than 104 0 V Repeat step 5 if necessary NOTE Steps 10 through 17 do not apply to the DMM912 10 11 12 13 14 15 16 17 18 19 Set the calibrator to output 20 VAC at 10 kHz sinewave Adjust VC1 until the display shows 19 700 V Set the calibrator frequency to 500 Hz sinewave Confirm that the reading is less than 20 110 V Repeat step 11 if necessary Set the calibrator to output 2 VAC at 10 kHz sinewave Adjust VC2 until the display shows 1 9700 V Set the calibrator frequency to 500 Hz sinewave Confirm that the reading is less than 2 011 V Repeat step 15 if necessary Turn the calibrator output off Disconnect the calibrator from the multimeter Reassembling the Multimeter 1 2 Ensure that the rotary dial is properly aligned Align the tabs of the bottom case half with the slots in the top case half at the end of the meter near the input connectors and that the battery wires are not pinched CAUTION Before closing the case check that the rotary dial is properly aligned 3 4 42 Close the case snapping the case halves toget
63. Characteristic Overvoltage category Pollution Degree 2 Handheld Instruments Basic Service DMMS800 Series Specifications 8 Handheld Instruments Basic Service A AA DMMS800 Series Performance Verification This section contains procedures to verify that the DMM830 DMMS50 and DMMS70 Digital Multimeters perform as warranted If an instrument fails any of these checks it needs adjustment and or repair The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions The multimeter operates in an 18 to 28 C 64 to 82 F ambient environment with a relative humidity of less than 75 m The multimeter stabilizes in the stated ambient temperature for one hour The multimeter warms up for five minutes W For AC measurements allow the multimeter to settle to its final value before taking the measurement m The multimeter remains fully assembled and in the holster The DMM800 Series performance verification consists of the checks listed in Table 7 Table 7 Performance verification checks AC Volts Check DC Volts Check DC Millivolts Check AC DC Volts Check Frequency Check Duty Factor Check DMM850 and DMM870 Q Check Low Voltage O Check Continuity Check Diode Check Capacitance Check Temperature Check DMM850 and DMM870 Volts Peak Hold Check DMM870 DC Milliampere Check AC Milliampere Check D
64. Check DMM870 b Using Wavetek 9100 with 9105 front porch m Turn the calibrator output off m Connect the multimeter test leads to the calibrator outputs m Connect the calibrator common lead to the multimeter COM input W Press the multimeter gold key followed by the A key m Connect the remaining calibrator output lead to the multimeter C V O4 input m Turn the calibrator output on 4 Set the calibrator to each of the values in the Capacitance test record and verify that the multimeter reads within the specified Display minimum and maximum limits 5 Turn the calibrator output off 6 Disconnect the calibrator from the multimeter Perform the following steps to verify the temperature measurement accuracy Set the multimeter dial to C F 2 Connect the ATKO1 thermocouple adapter to the multimeter C V Q4 and COM input connectors 3 Connect the Standard thermocouple K type of the calibrator to the ATKO1 thermocouple adapter 4 Allow five minutes for the connector temperature to stabilize 5 Set the calibrator to each of the values in the Temperature test record and verify that the multimeter reads within the specified Display minimum and maximum limits 6 Turn the calibrator output off 7 Disconnect the calibrator from the multimeter Perform the following steps to verify the DC volts peak measurement accuracy Set the multimeter dial to V 2 Push the GOLD button and then the M M A button to s
65. Class B Radiated and Conducted Emissions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge Immunity IEC 801 3 RF Electromagnetic Field Immunity Low Voltage Directive 73 23 EEC as amended by 93 68 EEC EN 61010 1 A2 Safety requirements for electrical equipment for measurement control and laboratory use Listed UL3111 1 and CAN CSA C22 2 No 1010 1 Category Examples of Products in this Category CAT Ill Distribution level mains fixed installation CAT II Local level mains appliances portable equipment CAT Signal levels in special equipment or parts of equipment telecommunications electronics Pollution Degree 2 Do not operate in environments where conductive pollutants may be present Handheld Instruments Basic Service DMM150 Specifications 6 Handheld Instruments Basic Service SSS Sacram DMM150 Performance Verification This section contains procedures to verify that the DMM150 Digital Multimeter performs as warranted If an instrument fails any of these checks it needs adjustment and or repair The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions m The multimeter operates in an 18 to 28 C 64 to 82 E ambient environment with a relative humidity of less than 7596 m The multimeter stabilizes in the stated ambient temperature for one hour m The multimeter warms up for five minutes W Fo
66. DMM249 Digital Multimeter leere 1 DMM249 Specifications 0 ccc cece cece cece cree eens 3 DMM249 Performance Verification eese 7 Test Equipment cs esed Caci ese Red AD og LAUR as S Sot ae UP ech ROS 8 Set UPA s ux A se Pe Udo eR DARAN URN e EET Y 9 Verification Procedure asc ean aaa a en 10 DMM249 Test Record i pisania eee eee AS E A A 15 DMM249 Adjustment Procedures eee 17 List of Adjustments soanen en e e e n 17 Test Equipment ree ies ree ERR det Her ER ER RE ER RE EE re 17 Preparation for Adjustment oooooooocoooor ee 18 Adjustments veteen rep EH EVA E ERE ER RE ER RE E res 19 Reassembling the Multimeter o oooooooocorrcrrrrr e eee 20 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service DMM249 Digital Multimeter The DMM249 is a rugged handheld digital multimeter that allows you to make accurate measurements quickly and easily Whether you are a professional or hobbyist this instrument provides a useful range of features ga S OU U O OOOO NE KN X A 3200 count display with bargraph Shock absorbing holster Autorange volts ohms and manual range Measures DC and AC voltage true RMS measurement DC and AC current and resistance Diode and continuity checker Measurement hold Automatic power off after 30 minutes prolongs bat
67. Display minimum and maximum limits 4 Turn the calibrator output off 12 Handheld Instruments Basic Service DMM249 Performance Verification AC Microampere Check Perform the following steps to verify the AC microampere measurement accuracy 1 2 Set the multimeter dial to UA Push the DC AC button to select AC mode Connect the calibrator outputs to the multimeter LAMA and COM input connectors Set the calibrator to each of the values in the AC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter DC Milliampere Check Perform the following steps to verify the DC milliampere measurement accuracy 1 2 Set the multimeter dial to MA Connect the calibrator outputs to the multimeter LAMA and COM input connectors Set the calibrator to each of the values in the DC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter AC Milliampere Check Perform the following steps to verify the AC milliampere measurement accuracy 1 2 Handheld Instruments Basic Service Set the multimeter dial to MA Push the DC AC button to select AC mode Connect the calibrator outputs to the multimeter LAMA and COM input connectors Set
68. Handheld Instruments Basic Service V General Safety Summary vi Handheld Instruments Basic Service A X il Service Safety Summary Only qualified personnel should perform service procedures Read this Service Safety Summary and the General Safety Summary before performing any service procedures Do Not Service Alone Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock disconnect the main power by means of the power cord or if provided the power switch Use Caution When Servicing the CRT To avoid electric shock or injury use extreme caution when handling the CRT Only qualified personnel familiar with CRT servicing procedures and precautions should remove or install the CRT CRTs retain hazardous voltages for long periods of time after power is turned off Before attempting any servicing discharge the CRT by shorting the anode to chassis ground When discharging the CRT connect the discharge path to ground and then the anode Rough handling may cause the CRT to implode Do not nick or scratch the glass or subject it to undue pressure when removing or installing it When handling the CRT wear safety goggles and heavy gloves for protection Use Care When Servicing With Power On Dangerous voltages or currents may exist in this product Disconnect power remove batte
69. J type probes The DTM520 thermometer has inputs for two probes and can perform differential measurements In addition the thermometers include the following features Temperature display in C or F A hold feature to freeze the display MIN and MAX readouts DTM510 thermometer includes MAX only A stopwatch DTM520 only a a Ac C9 A a et i f uv FEN HNO Figure 1 DTM510 amp DTM520 digital thermometers Handheld Instruments Basic Service DTM500 Series Digital Thermometers 2 Handheld Instruments Basic Service PA Q I DTM500 Series Specifications The characteristics listed in this section apply under the following conditions m The instrument operates in an 18 to 28 C ambient environment unless otherwise noted m The instrument warms up for 60 minutes NOTE All specifications are warranted unless marked typical Typical characteristics are not guaranteed but are provided for the convenience of the user Specifications marked with the symbol are checked in the performance verification procedures Table 1 General characteristics Characteristic Description Product Measurement Range DTM510 50 to 1300 C 58 to 1999 F DTM520 K type probe 200 to 1370 C 328 to 2498 F DTM520 J type probe 200 to 760 C 328 to 1400 F Accuracy Re
70. Position the clamp around the current loop of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Verify that the display reads within the specified Display minimum and maximum limits Before each measurement set the calibrator output to off and press the DCA AUTO ZERO button to zero the meter NOTE Any time a measurement appears to be out of tolerance turn the calibrator output off rezero the meter and try again 7 8 Handheld Instruments Basic Service Turn the calibrator output off Remove the clamp from the current loop DCM910 Performance Verification 10 Frequency Check To check the frequency accuracy perform the following steps 1 2 Set the meter function to Hz Select the appropriate coil as necessary to multiply the AC current calibrator output to 20 A Position the clamp around the current loop of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Verify that the display reads within the specified Display minimum and maximum limits for each of the frequencies listed in the Frequency test record Turn the calibrator output off Remove the clamp from the current loop Handheld Instruments Basic Service DCM910 Performance Verification DCM910 Test Record Serial number Procedure performed by Date DCM910 test record Test input Display maximum AC current test
71. Series Specifications Table 3 Measurement characteristics cont Characteristic Description Compliance voltages typical 1 V Q setting 0 4 V LV setting Continuity threshold Beeper sounds when resistance is approximately 75 Q or less Diode test3 Test current typical 0 6 mA Test voltage typical lt 3V Capacitance Ranges 4 nF 40 nF 400 nF 4 pF 40 uF 400 pF 4 mF 40 mF Accuracy 96 10 count 4 nF to 4 uF 1 delta mode 40 uF to 40 mF 3 Frequency4 Ranges 400 Hz 4 kHz 40 kHz 400 kHz 2 MHz Accuracy 10 count 400 Hz to 400 kHz 0 01 2 MHz 0 15 Sensitivity 0 5 Vp p Duty factor Accuracy 0 1 0 05 per kHz for 5 V input Range 15 Hz to 10 kHz 10 to 90 duty factor Temperature Range 50 to 4980 C Accuracy 2 C Thermocouple type K Peak measurements Accuracy DC volts 5 40 counts of the peak value of a single 1 ms pulse 1 Divide counts by 10 in 4000 count mode 2 750 V 40 MQ LV range unspecified 3 4000 count mode only Upper display readout is limited to 10 kHz with reduced accuracy 5 gt 10 range 4 V range gt 1 V 6 35 range Handheld Instruments Basic Service 5 DMMs800 Series Specifications Table 4 Physical characteristics Characteristic Description Dimensions Without holster 32 mm x 86 mm x 185 mm H x W x D Weight With battery 370 g 13 oz With battery and holster 600 g 21 2 02 Table 5 Environmental characteri
72. Technical Reference Tektronix Y Handheld Instruments Basic Service 061 4123 00 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all safety summaries prior to performing service Copyright O Tektronix Inc All rights reserved Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Printed in the U S A Tektronix Inc P O Box 1000 Wilsonville OR 97070 1000 TEKTRONIX and TEK are registered trademarks of Tektronix Inc AAA A Service Reference This manual contains the Performance Verification and Adjustment procedures for many handheld products Table 1 lists the products supported by this manual Table i Handheld products supported by this manual Products CMM 150 AC Current P robe DCM300 and 320 Digital Clamp Multimeters DMM249 Digital Multimeter DMM254 Digital Multimeter DCM330 Digital Clamp Meter DMM800 Series Digital Multimeters DCM910 Digital Clamp Meter DMM 150 Digital Multimeter DMM 157 Digital Multimeter serial numbers above TW80000 DMM912 914 and 916 Digital Multimeters DTM510 and DTM520 Digital Thermometers DTM900 and DTM920 Digital Thermometers Service information of products not provid
73. V fastblow fuse type KTK or KLK Tektronix part number 159 0287 00 V connector 1100 Vy v V AC DC 850V mV Hz Q ec 4 Handheld Instruments Basic Service 3 DMMS800 Series Specifications Table 3 Measurement characteristics Characteristic Description DC voltage V ranges 4 V 40 V 400 V 1000 V mV range 400 mV Accuracy 96 10 counts DMM830 DMM850 DMM870 0 2 0 1 0 06 AC voltage Ranges 4 V 40 V 400 V 750 V Accuracy 40 counts DMM830 DMM850 DMM870 50 to 100 Hz 1 0 0 8 0 7 gt 100 to 1 kHz 2 5 2 0 1 5 gt 1 kHz to 10 kHz 3 5 2 5 gt 10 kHz to 20 kHz 13 59 Bandwidth DMM830 DMM850 DMM870 1 kHz 10 kHz 20 kHz Crest factor lt 3 Input impedance AC DC volts dBm dB Current AC and DC ranges DC accuracy 10 counts AC accuracy 80 counts Bandwidth typical Resistance Ranges Q ranges LV ranges Accuracy Q 96 10 counts 10 MO paralleled by 100 pF Same as AC RMS 1 2 10 counts dBm reference 1 mV into 600 Q dB reference 1 V 4 000 pA 400 mA 10 A 20A maximum for 30 seconds DMM830 DMM850 DMM870 lt 1 kHz 400 Q 4 KQ 40 KQ 400 KO 4 MO 40 MO 4kQ 40 KQO 400kO 4MQ 40 MQ DMM830 DMM850 DMM870 0 5 0 4 10 396 LV 96 1 count 23 1 0 8 0 6 4MQ 400 Q range 1 0 8 0 6 40 MQ range 5 5 5 Handheld Instruments Basic Service DMMS800
74. adings second DTM900 DTM920 T2 or T1 DTM920 T1 T2 Input P rotection Electrical Isolation T1 to T2 0 3 1 1 C 0 3 2 2 F 328 to 148 F 0 2 F 99 9 to 999 9 C 0 19 C 147 9 to 999 9 F 0 22 F 1000 to 1370 C 1 C 1000 to 2498 F 2 F T1 T2 reading Temperature Range Resolution 200 to 100 C 0 19 C 328 to 148 F 0 2 F 99 9 to 760 C 0 19 C 1000 to 1400 F 2 F Description ATPO1 bead probe 40 to 204 C ATP01 bead probe 2 2 C 2 5 1 0 5 24 V maximum Class Ill as defined in IEC 1010 Safety Requirements for Electrical equipment for measurement control and laboratory use Class Ill equipment is 0 1 0 8 C 0 1 1 6 F 0 3 42 F equipment for connection to SELV or SELV E circuits only 20 KQ minimum Handheld Instruments Basic Service DTM900 and DTM920 Specifications Table 3 Environmental characteristics Characteristic Description Temperature coefficient 18 C or 228 C DTM900 0 15 x specified accuracy per C DTM920 0 1 x specified accuracy per C Operating temperature 0 to 50 C 32 to 122 F at 0 to 75 RH Storage temperature 20 to 60 C 4 to 140 F at 0 to 80 RH Power requirements Single standard 9 V battery ANSI NEDA 1604A IEC 6F 22 Battery life Alkaline DTM900 250 hours DTM920 90 hours Handheld Instruments Basic Service 5 DTM900 and DTM920 Specifications
75. adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual NOTE Thermocouple connectors are temperature sensitive For best measure ment accuracy do not touch the connector contacts and minimize handling of the connector housings 14 Handheld Instruments Basic Service DTM500 Series Adjustment Procedures Open the Thermometer To make internal adjustments you must open the thermometer case and remove the circuit board see Figure 2 or Figure 3 1 2 Unplug the thermocouple s Lay the thermometer face down on a flat work surface Remove the single screw from the battery compartment cover with a Phillips head screwdriver and remove the battery compartment cover Remove the four screws from the corners of the thermometer Lift the top end of the cover and remove both the cover and the cap Remove the screws from the corners of the circuit board the DTM510 thermometer has three screws the DTM520 thermometer has four and gently lift the circuit board out of the case Remove the rubber keypad from the case Lay the circuit board face up Place the rubber keypad on the circuit board so it can be used to operate the thermometer To reassemble the thermometer following the adjustments perform steps 3 through 7 above in reverse order Handheld Instruments Basic Service 15 DTM500 Ser
76. agnetic fields press the DCA AUTO ZERO button to zero the meter Select the appropriate coil s as necessary to multiply the DC current calibrator output to each of the test values in the DC current test record For more information refer to the user manual of your calibrator Position the clamp around the current loop of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Verify that the display reads within the specified Display minimum and maximum limits Before each measurement set the calibrator output to off and press the DCA AUTO ZERO button to zero the meter NOTE Any time a measurement appears to be out of tolerance turn the calibrator output off rezero the meter and try again 7 8 Handheld Instruments Basic Service Turn the calibrator output off Disconnect the calibrator DCM330 Performance Verification 10 Frequency Check To check the frequency accuracy perform the following steps 1 2 Set the meter function to Hz Select the appropriate coil as necessary to multiply the AC current calibrator output to 20 A Position the clamp around the current loop of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Verify that the display reads within the specified Display minimum and maximum limits for each of the frequencies listed in the Frequency test record Turn the calibrator output off Di
77. al and Electronic Measuring and Testing Equipment and EC1010 2 032 particular requirements for hand held current clamps for electrical measurement and test Certifications Overvoltage Category Category Examples of P roducts in this Category CAT Ill Distribution level mains fixed installation CAT II Local level mains appliances portable equipment CAT I Signal levels in special equipment or parts of equipment telecommunications electronics Pollution Degree 2 Do not operate in environments where conductive pollutants may be present Table 4 Environmental characteristics Characteristic Description Temperature Operating 0 to 50 C 32 to 122 F 7596 relative humidity Nonoperating 20 C to 460 C 21 to 140 F 8096 relative humidity Temperature Coefficient 0 2 x specified accuracy per C at 18 C or 228 C Maximum Altitude Operating 2 000 m 6 562 ft Handheld Instruments Basic Service 5 DCM910 Specifications 6 Handheld Instruments Basic Service pue V DK pCPIUEDI 51 DCM910 Performance Verification Test Equipment This section contains procedures to verify that the DCM910 Digital Clamp Meter performs as warranted If an instrument fails any of the checks it needs adjustment and or repair The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions m The i
78. al number DMM6870 test record Test input Display minimum Display maximum AC volts test 3 6000 V 0 7 40 counts 3 5708V 3 6292 V 1 5 40 counts _ 3 5420 V 3 6580 V 2 5 40 counts 3 5060 V 3 6940 V 36 000 V 500 Hz X159 40 counts 35 420V 36 580 V 10kHz 2 5 40 counts 35 060V 36 940 V 360 00 V 1 5 40 counts 354 20V 365 80 V 2 5 40 counts 350 60V 369 40 V 750 0 V3 60 Hz 0 7 40 counts 740 7 V 759 34 1 Verify the proper DMM range 5 display digits use the manual range if necessary The 750 V range displays 4 digits Theupper display readout is 2 counts corresponding to the input frequency 3 750V range not specified above 100 Hz DC volts test 0 0000 V 0 06 10 counts 0 0010 V 0 0010 V 3 6000 V 0 06 10 counts 3 5969 V 3 6031 V 3 6000 V 0 06 10 counts 3 6031V 3 5969 V 36 000 V 0 06 10 counts 35 969 V 36 031 V 360 00 V 0 06 10 counts 359 69 V 360 31 V 1000 0 V 0 06 10 counts 998 4 V 1001 6 V 1000 0 V 0 06 10 counts 1001 6V 998 4 V Handheld Instruments Basic Service 29 DMMS00 Series Performance Verification DMM870 test record cont Test input Display minimum Display maximum DC millivolts test 0 00 mV 0 06 10 counts 0 10 mV 0 10 mV 40 00 mV 0 06 10 counts 39 88 mV 40 12 mV 360 00 mV 0 06 10 counts 359 69 mV 360 31 mV 360 00 mV 0 0
79. and DC volts measurement AC and DC current measurement Resistance measurement Capacitance measurement Sinewave generation Squarewave generation Thermocouple adapter K Type Tektronix ATK01 Capacitance Standard Optional 1 Choose 4 wire measurement setup if available 10 Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification Set Up To prepare for the performance verification checks do the following steps 1 Allow the multimeter to stabilize at the ambient temperature for one hour before testing 2 Turn the multimeter on by rotating the function switch to any position other than OFF NOTE You need to keep the multimeter powered on throughout the warm up period and throughout the entire verification procedure Set the auto power off time to a large value or disable the auto power off by pushing the Blue button when turning the dial from the OFF position 3 Warm up the multimeter for five minutes 4 Setthe Digits to the 40 000 counts display 5 Pages 19 through 33 contain test records for the DMM91X series multime ters Each model has its own test record Photocopy the test record pages for your model to record your test results NOTE If stability of the display reading causes questionable accuracy of a test set the multimeter to Average mode Handheld Instruments Basic Service 11 DMM 12 914 and 916 Performance Verification Verification Procedure
80. ard if instability occurs Set the DMM to Delta mode Delta mode removes stray capacitance for low capacitance measurements 3 Set the DMM noise suppression to 60 Hz with the SETUP mode See Page 15 for detailed instructions Temperature test 0 09 C 2 0 40 0 C 38 0 100 0 C 102 0 950 0 C 26 948 0 952 0 DC milliampere test 0 0 pA 10 counts 1 0 pA 1 0 pA 360 0 pA 0 4 10 counts 357 6 pA 362 4 pA 360 0 uA 0 4 10 counts 362 4 uA 357 6 uA 3600 0 uA 0 4 10 counts 3584 6 pA 3615 4 uA 36 00 mA 0 4 10 counts 35 76 mA 36 24 mA 360 00 mA 0 4 10 counts 358 46 mA 361 54 mA 26 Handheld Instruments Basic Service DMMS00 Series Performance Verification DMMB50 test record cont Test input Display minimum Display maximum AC milliampere test 60 Hz 3600 0 pA 0 9 80 counts 3559 6 uA 3640 4 uA 360 00 mA 0 9 80 counts 355 96 mA Eo 364 04 mA 1 The upper display readout is 60 Hz 2 counts corresponding to the input frequency DC ampere test 10 000 A 0 4 10 counts 9 950A A 10 050 A AC ampere test 60 Hz 10 000 A 0 9 80 counts 9 830A 10 170A 1 The upper display readout is 60 Hz 2 counts corresponding to the input frequency Handheld Instruments Basic Service 27 DMMS00 Series Performance Verification 28 Handheld Instruments Basic Service DMMS00 Series Performance Verification DMM870 Test Records Procedure performed by Date Seri
81. at the multimeter reads within the specified Display minimum and maximum limits 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter Perform the following steps to verify the DC volts measurement accuracy 1 Set the multimeter dial to V 2 Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors 3 Set the calibrator to each of the values in the DC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter Perform the following steps to verify the DC millivolt measurement accuracy 1 Set the multimeter dial to mV 2 Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors 3 Set the calibrator to each of the values in the DC millivolt test record and verify that the multimeter reads within the specified Display minimum and maximum limits Handheld Instruments Basic Service DMMS00 Series Performance Verification 4 5 Turn the calibrator output off Disconnect the calibrator from the multimeter AC DC Volts Check Perform the following steps to verify the AC DC voltage measurement accuracy 1 2 Set the multimeter dial to AC DC Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the AC DC volts te
82. attery compartment cover with a Phillips head screwdriver and remove the battery compartment cover Remove the four screws from the corners of the thermometer Lift the top end of the cover and remove both the cover and the cap Remove the screws from the corners of the circuit board the DTM900 thermometer has three screws the DTM920 thermometer has four and gently lift the circuit board out of the case Remove the rubber keypad from the case Lay the circuit board face up Place the rubber keypad on the circuit board so it can be used to operate the thermometer To reassemble the thermometer following the adjustments perform steps 3 through 7 above in reverse order Handheld Instruments Basic Service 15 DTM900 and DTM920 Adjustment Procedures DTM900 Adjustment Procedure This section describes how to adjust the DTM900 thermometer To properly adjust the thermometer perform the following steps in sequential order 16 1 Ur ums cp o9 Table 7 DTM900 adjustment procedures Thermometer setting Open the thermometer as described in the previous section Turn on the thermometer and allow it to warm up for at least 30 minutes Connect the thermocouple simulator to the probe connector Set the simulator probe type to K For each row in Table 7 set the thermometer and simulator as shown then adjust the specified test point until the displayed temperature is within the proper limits Figure 2 shows the locati
83. brator from the multimeter 11 DMM249 Performance Verification Q Check Perform the following steps to verify the resistance measurement accuracy in Q mode 1 Set the multimeter dial to Q 2 Connect the calibrator outputs to the multimeter V Q and COM input connectors 3 Set the calibrator to each of the values in the Q test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter Continuity Check Perform the following steps to verify the continuity check accuracy 1 Set the multimeter dial to 2 Connect the calibrator outputs to the multimeter V Q and COM input connectors 3 Setthe calibrator to each of the values in the Continuity test record and verify proper operation 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter 6 Insert the multimeter test leads into the V O and COM input connectors of the multimeter 7 Shortthe test leads together and check for proper operation DC Microampere Check Perform the following steps to verify the DC microampere measurement accuracy 1 Set the multimeter dial to pA 2 Connect the calibrator outputs to the multimeter LAMA and COM input connectors 3 Setthe calibrator to each of the values in the DC microampere test record and verify that the multimeter reads within the specified
84. cations Table 2 General specifications Characteristic LCD display digits Bargraph segments Display count Numeric update rate Bargraph Polarity display Overrange display Low voltage indicator Automatic power off time Power source Maximum input voltage Maximum floating voltage Maximum input current The characteristics listed in this section apply under the following conditions m The instrument operates in an 18 to 28 C ambient environment at less than 75 relative humidity m The batteries are adequately charged the battery indicator does not display NOTE All specifications are warranted unless marked typical Typical characteristics are not guaranteed but are provided for the convenience of the user Description 43 or 33 40 40 000 or 4 000 1 time sec 40 000 count 4 times sec 4 000 count 20 times sec Automatic OL is displayed Battery indicator User selectable default 15 minutes One standard 9 V battery ANSI NEDA 1604A IEC 6F22 1000 V 750 V AC CAT II between V and COM 1000 V 750 V AC CAT II between any terminal and earth ground 400 mA between uA mA and COM 10 A continuous between A and COM 20 A for 30 seconds Maximum open circuit voltage Current inputs 600 V between A and COM and between A mA and COM Overload protection pA mA connector 1A 600 V fastblow fuse type BLS or BBS Tektronix part number 159 0337 00 A connector 15 A 600
85. ce Verification DMM157 Test Record Serial number Procedure performed by Date DMM157 test record Test input Display minimum Display maximum AC volts test 2 900 V 50 Hz 1 5 5 counts 2 852 V 2 948 V 300 Hz 1 5 5 counts 2 852 V 2 948 V 29 00 V 1 5 5 counts 29 48 V 1 5 5 counts 28 52 V 29 48 V 290 0 V 50 Hz 1 5 5 counts 285 2 V 294 8 V 400 Hz 1 5 5 counts 285 2 V 294 8 V 600 0 V 50 Hz 1 5 5 counts 586 V 614 V 400 Hz 1 5 5 counts 586 V 614 V DC volts test 290 0 mV 0 5 2 counts 288 4 mV 291 6 mV 2 900 V 0 5 2 counts 2 916 V 29 00 V 0 5 2 counts 28 84 V 29 16 V 290 0 V 0 5 2 counts 286 4 V 291 6 V 600 0 V 0 5 2 counts 595 V 605 V Q test 0 00 O 1 0 4 counts 04Q 0 40 300 0 Q 1 0 4 counts 296 6 Q 303 40 3 000 KQ 0 8 2 counts 2 974 kQ 3 026 kO 30 00 kQ 0 8 2 counts 29 74 kQ 30 26 kO 300 0 KQ 0 8 2 counts 297 4 kQ 302 6 kO 3 000 MQ 1 0 4 counts 2 966 MQ 3 034 MQ 30 00 MQ 2 0 5 counts 29 35MQ Bg Handheld Instruments Basic Service 15 DMM157 Performance Verification DMM157 test record cont Test input Continuity test 0 00 200 Q Multimeter leads shorted Beeper sounds Beeper does not sound Capacitance test 3 000 uF 1 9 5 counts 2 938 uF 3 062 uF 30 00 uF 1 9 5 counts 29 38 uF 30 62 uF 300 00 uF 1 9 10 counts 293 3 uF 306 7 uF 1 Va
86. citance offset a Using Fluke 5500A or Wavetek 9100 minus the 9105 front porch m Turn the calibrator output off m Connect the test leads to the multimeter C V Q4 and COM inputs m Connect the multimeter COM lead to the calibrator common output W Press the multimeter gold key followed by the A key m Connect the multimeter C V Q4C lead to the remaining calibrator output m Turn the calibrator output on 15 DMM 12 914 and 916 Performance Verification 16 Temperature Check DMM914 and DMM916 Volts Peak Hold Check DMM916 b Using Wavetek 9100 with 9105 front porch m Turn the calibrator output off m Connect the multimeter test leads to the calibrator outputs m Connect the calibrator common lead to the multimeter COM input W Press the multimeter gold key followed by the A key m Connect the remaining calibrator output lead to the multimeter C V O4 input m Turn the calibrator output on 4 Set the calibrator to each of the values in the Capacitance test record and verify that the multimeter reads within the specified Display minimum and maximum limits 5 Turn the calibrator output off 6 Disconnect the calibrator from the multimeter Perform the following steps to verify the temperature measurement accuracy Set the multimeter dial to C F 2 Connect the ATKO1 thermocouple adapter to the multimeter C V Q4 and COM input connectors 3 Connect the Standard thermocouple K t
87. ct AC mode Connect the calibrator outputs to the multimeter UA mA 4 and COM input connectors Set the calibrator to each of the values in the AC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Set the calibrator output to OFF Disconnect the calibrator from the multimeter DC Ampere Check Perform the following steps to verify the DC ampere measurement accuracy 1 2 Set the multimeter dial to Aw Connect the calibrator outputs to the multimeter A and COM input connec tors Set the calibrator to each of the values in the DC ampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Set the calibrator output to OFF Disconnect the calibrator from the multimeter AC Ampere Check Perform the following steps to verify the AC ampere measurement accuracy 1 2 Handheld Instruments Basic Service Set the multimeter dial to A Push the BLUE button to select AC mode Connect the calibrator outputs to the multimeter A and COM input connec tors Set the calibrator to each of the values in the AC ampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Set the calibrator output to OFF Disconnect the calibrator from the multimeter 13 DMM 157 Performance Verification 14 Handheld Instruments Basic Service DMM157 Performan
88. cy 1 2 Set the multimeter dial to Q Push the BLUE function button to select the continuity test mode Connect the calibrator outputs to the multimeter V O 4 and COM input connectors Set the calibrator to each of the values in the Continuity test record and verify proper operation Turn the calibrator output off Disconnect the calibrator from the multimeter Insert the multimeter test leads into the V O 4 and COM input connectors of the multimeter Short the test leads together and check for proper operation Capacitance Check Perform the following steps to verify the capacitance measurement accuracy 1 2 Handheld Instruments Basic Service Set the multimeter dial to BHIE Push the BLUE function button to select the capacitance test mode Set the calibrator to each of the values in the Capacitance test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter 13 DMM254 Performance Verification Frequency Check Perform the following steps to verify the frequency measurement accuracy 1 Setthe multimeter dial to Hz 2 Connect the calibrator outputs to the multimeter V O 4 and COM input connectors 3 Setthe calibrator to each of the values in the Frequency test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 T
89. dheld Instruments Basic Service 25 DMM 12 914 and 916 Performance Verification DMM914 test record cont Test input Capacitance test 3 600 nF 1 10 counts 3 554 nF 3 646 nF 36 00 nF 1 10 counts 35 54 nF 36 46 nF 360 0 nF 1 10 counts 355 4 nF 364 6 nF 3 600 uF 1 10 counts 3 554 uF 3 646 UF 36 00 uF 3 10 counts 34 82 UF 37 18 uF 360 00 uF3 3 10 counts 348 2 uF 371 8 uF 3 600 mF3 3 10 counts 3 482 mF 3 718 mF 36 00 mF3 3 10 counts 34 82 mF 37 18 mF 1 2 Variations in test equipment can cause erroneous readings Use a fixed value capacitance standard if instability occurs Set the DMM to Delta mode Delta mode removes stray capacitance for low capacitance measurements 3 Set the DMM noise suppression to 60 Hz with the SETUP mode See Page 15 for detailed instructions Temperature test 0 09 C 2 0 40 0 C 38 0 100 0 C 102 0 950 0 C 26 948 0 952 0 DC milliampere test 0 0 pA 10 counts 1 0 pA 1 0 pA 360 0 pA 0 4 10 counts 357 6 pA 362 4 pA 360 0 uA 0 4 10 counts 362 4 uA 357 6 uA 3600 0 uA 0 4 10 counts 3584 6 pA 3615 4 uA 36 00 mA 0 4 10 counts 35 76 mA 36 24 mA 360 00 mA 0 4 10 counts 358 46 mA 361 54 mA 26 Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification DMM914 test record cont Test input Display minimum Display maximum AC milliampere test 60 Hz 3600 0 pA 0 9 80 c
90. e 5 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Table 5 Test equipment Description Minimum requirements Example product Universal Calibration Resolution amp accuracy 4 times Wavetek 9100 System greater than the multimeter display reading AC and DC volts measurement AC and DC current measurement Resistance measurement Capacitance measurement Capacitance Standard Optional 1 Choose 4 wire measurement setup if available Handheld Instruments Basic Service DMM 1957 Performance Verification Set Up To prepare for the performance verification checks do the following steps 1 Allow the multimeter to stabilize at the ambient temperature for one hour before testing 2 Turn the multimeter on by rotating the function switch to any position other than OFF NOTE You need to keep the multimeter powered on throughout the warm up period and throughout the entire verification procedure 3 Warm up the multimeter for five minutes 4 Photocopy the test record on pages 15 through 17 to record your test results Handheld Instruments Basic Service 9 DMM1957 Performance Verification Verification Procedure Implement the following checks to verify the performance of your DMM157 multimeter jl WARNING To avoid electric shock
91. e Multimeter 000 cee cee eee eee 22 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service AA DMM157 Digital Multimeter The DMM157 is a rugged handheld digital multimeter that allows you to make accurate measurements quickly and easily Whether you are a professional or hobbyist this instrument provides a useful range of features A 1907 onoo lr E C 5 E m D p A D C z D C He m A pAmA COM Va 000 j Figure 1 DMM157 Digital Multimeter Handheld Instruments Basic Service Shock absorbing holster Tilt stand holster hook and probe holders 3200 count LCD display Autorange volts ohms and manual range selection Measurement hold Measures DC and AC voltage DC and AC current resistance and capacitance Diode and continuity tester with audible signal Overvoltage and overload protection Alarm that warns of improper connections to the current inputs Recessed input jacks for safety Automatic power off after ten minutes prolongs battery life Low battery indicator Uses two standard AAA 1 5 V batteries DMM157 Digital Multimeter 2 Handheld Instruments Basic Service A AA DMM157 Specifications All specifications are warranted unless noted typical Stated accuracies are reading number of counts at 23 C 5 C at less than 75 R H relative humidity
92. e multimeter DC Ampere Check Perform the following steps to verify the DC ampere measurement accuracy 1 2 Handheld Instruments Basic Service Set the multimeter dial to A 5 Connect the calibrator outputs to the multimeter A and COM input connectors Set the calibrator to each of the values in the DC ampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 17 DMMS00 Series Performance Verification 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter AC Ampere Check Perform the following steps to verify the AC ampere measurement accuracy 1 Set the multimeter dial to A 5 2 Push the BLUE button to select AC mode 3 Connect the calibrator outputs to the multimeter A and COM input connectors 4 Setthe calibrator to each of the values in the AC ampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 5 Turn the calibrator output off 6 Disconnect the calibrator from the multimeter 18 Handheld Instruments Basic Service DMMS00 Series Performance Verification DMM830 Test Records Serial number Procedure performed by Date DMM830 test record Test input Display minimum Display maximum AC volts test 3 6000 V 60 Hz 1 0 40 counts 3 5600 V 3 6400 V 1 kHz 2 5 40 counts 3 5060 V 3 6940 V 36 000 V 1 0 40 counts 35 600 V 36 400 V
93. ecord Serial number Procedure performed by Date DMM150 test record Test input Display minimum Display maximum AC volts test 2 900 V 50 Hz 31 796 5 counts 2 846 V 2 954 V 300 Hz 1 7 5 counts 2 846 V 2 954 V 29 00 V 1 7 5 counts 29 54 V 1 7 5 counts 28 46 V 29 54 V 290 0 V 50 Hz 1 7 5 counts 284 6 V 295 4 V 400 Hz 1 7 5 counts 284 6 V 295 4 V 600 0 V 50 Hz 31 796 5 counts 585V 615 V 400 Hz 1 7 5 counts 585 V 615 V DC volts test 2 900 mV 0 7 2 counts 03 1 mV 02 7 mV 290 0 mV 0 7 2 counts 287 8 mV 292 2 mV 2 900 V 0 7 2 counts 2 878 V 2 922 V 29 00 V 0 7 2 counts 28 78 V 29 22V 290 0 V 0 7 2 counts 287 8 V 2922 V Q test 0 00 O 1 2 4 counts 0 40 0 40 300 0 Q 1 2 4 counts 296 0 Q 304 0 Q 3 000 kO 1 0 2 counts 2 968 kO 3 032 kO 30 00 KQ 1 0 2 counts 29 68 kQ 30 32 kO 300 0 kO 1 0 2 counts 296 8 kQ 303 2kQ 3 000 MQ 1 5 3 counts 2 952 MQ 3 048 MQ 30 00 MQ 1 3 5 counts 29 56 MQ 30 44MQ Handheld Instruments Basic Service 11 12 DMM150 Performance Verification DMM150 test record cont Test input Continuity test 0 00 100 Q Multimeter leads shorted Beeper sounds Beeper does not sound Beeper sounds Handheld Instruments Basic Service A H4 DMM150 Adjustment Procedure List of Adjustments Test Equipment This section contains
94. ed in this manual may be available under separate cover Table ii provides a list of many handheld and benchtop instruments and their service documentation Table ii Handheld and benchtop instruments service manuals Product Tektronix part number 212 Oscilloscope 070 5053 00 214 Oscilloscope 070 5055 00 214 Storage Oscilloscope 070 1483 00 221 Oscilloscope 070 1573 01 222 Digital Storage Oscilloscope 070 7459 00 222A DSO B010100 thru B039999 070 8330 00 B040000 and above 070 8330 02 222PS Power Scout 070 8098 02 224 Digital Storage Oscilloscope 070 8405 02 305 DMM Oscilloscope 070 2423 01 314 Storage Oscilloscope 070 1824 00 335 Oscilloscope 070 1943 01 336 Digital Storage Oscilloscope 070 4421 00 Handheld Instruments Basic Service Service Reference Table ii Handheld and benchtop instruments service manuals cont Product Tektronix part number 2201 Portable Oscilloscope 070 7189 00 2205 Oscilloscope 070 6716 00 2211 Oscilloscope 070 7234 00 2214 Digital Storage Oscilloscope 070 7783 00 2220 Digital Storage Oscilloscope 070 5302 00 2221A Oscilloscope B010100 to B019999 070 8157 01 B020000 and above 070 8549 00 2225 Oscilloscope 070 6299 00 2230 Digital Storage Oscilloscope 070 4999 00 2232 Digital Storage Oscilloscope B010100 to B029999 070 7067 01 B030000 and above 070 8548 00 2235 AN US M 488 Oscilloscope 070 4977 00 2245 Portable Oscilloscope 070 627
95. elect PEAK H 3 Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Handheld Instruments Basic Service DMMS00 Series Performance Verification Set the calibrator to each of the values in the Volts peak hold test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter DC Milliampere Check Perform the following steps to verify the DC milliampere measurement accuracy 1 2 Set the multimeter dial to JA or mA zx as needed Connect the calibrator outputs to the multimeter uA mA and COM input connectors Set the calibrator to each of the values in the DC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter AC Milliampere Check Perform the following steps to verify the AC milliampere measurement accuracy 1 2 Set the multimeter dial to UA or mA zx as needed Push the BLUE button to select AC mode Connect the calibrator outputs to the multimeter uA mA and COM input connectors Set the calibrator to each of the values in the AC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from th
96. en V and COM 1000 V 750 V AC CAT II between any terminal and earth ground 400 mA between uA mA and COM 10 A continuous between A and COM 20 A for 30 seconds Maximum open circuit voltage Current inputs 600 V between A and COM and between A mA and COM Overload protection pA mA connector 1A 600 V fastblow fuse type BLS or BBS Tektronix part number 159 0337 00 A connector 15 A 600 V fastblow fuse type KTK or KLK Tektronix part number 159 0287 00 V connector 1100 Vy v V AC DC 850V mV Hz Q ec 4 Handheld Instruments Basic Service 3 DMM 912 914 and 916 Specifications Table 3 Measurement characteristics Characteristic Description DC voltage V ranges 4 V 40 V 400 V 1000 V mV range 400 mV Accuracy 96 10 counts DMM912 DMM914 DMM916 0 2 0 1 0 06 AC voltage Ranges 4 V 40 V 400 V 750 V Accuracy 40 counts DMM912 DMM914 DMM916 50 to 100 Hz 1 0 0 8 0 7 gt 100 to 1 kHz 2 5 2 0 1 5 gt 1 kHz to 10 kHz 3 5 2 5 gt 10 kHz to 20 kHz 13 59 Bandwidth DMM912 DMM914 DMM916 1kHz 10 kHz 20 kHz Crest factor lt 3 Input impedance AC DC volts dBm dB Current AC and DC ranges DC accuracy 10 counts AC accuracy 80 counts Bandwidth typical Resistance Ranges Q ranges LV ranges Accuracy Q 96 10 counts 10 MO paralleled by 100 pF Same as AC RMS 1 2 10 c
97. ensure that the line selector is in the proper position for the power source being used Connect and Disconnect Properly Do not connect or disconnect probes or test leads while they are connected to a voltage source Ground the Product Some of these products are grounded through the grounding conductor or the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product you are using ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product you are using Consult the product manual for further ratings information before making connections to the product Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Replace Batteries Properly Replace batteries only with the proper type and rating specified Recharge Batteries Properly Recharge batteries for the recommended charge cycle only Use Proper AC Adapter Use only the AC adapter specified for the product you are using Handheld Instruments Basic Service iii General Safety Summary Symbols and Terms A A Do Not Operate Without Covers Do not operate these products with covers or panels removed Use Proper Fuse Use only the fuse type and rating specified for the product you are using Avoid Exp
98. er performs as warranted If an instrument fails any of these checks it needs adjustment and or repair The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions The multimeter operates in an 18 to 28 C 64 to 82 F ambient environment with a relative humidity of less than 7596 m The multimeter stabilizes in the stated ambient temperature for one hour m The multimeter warms up for five minutes W For AC measurements allow the multimeter to settle to its final value before taking the measurement m The multimeter remains fully assembled and in the holster The DMM157 performance verification consists of the checks listed in Table 4 Table 4 Performance verification checks AC Volts Check DC Volts Check Q Check Continuity Check Capacitance Check DC Microampere Check DC Milliampere Check AC Microampere Check AC Milliampere Check DC Ampere Check AC Ampere Check The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently Handheld Instruments Basic Service 7 DMM157 Performance Verification Test Equipment The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Tabl
99. ers or on a metal rail Label any package that contains static sensitive parts Service instruments and modules at grounded static free work stations Do not allow devices capable of generating a static charge on a work station surface Wear a grounding strap while working with static sensitive devices Handle circuit boards by their edges if possible Do not slide static sensitive components over any surface Do not use high velocity compressed air to clean or dry components or modules Preventing Electrostatic Discharge X Handheld Instruments Basic Service A Cc l Preface This manual contains service information for a wide range of handheld products Each section covers a product or related series of products and includes the following information W A product description that details instrument functions capabilities and recommended uses m A front panel illustration m A set of electrical mechanical environmental and physical specifications W A performance verification procedure to ensure the instrument meets specifications W An adjustment procedure to return the instrument to factory calibration not included for all instruments The information contained in this manual is current at the date of publication and is typical or suggested not guaranteed Some instruments have optional service information available under separate cover This manual does not duplicate information
100. escription Minimum requirements Thermocouple Simulator 200 to1370 C 0 01 DC Voltage Source DTM920 10 mV to 2 V 0 0196 accuracy Thermocouple Extension K type thermocouple wire with Cable SMP male end connectors Examples Wavetek 9100 Universal Calibration System or Fluke 5500A Calibrator 328 to 2498 F 0 01 Omega TECK 10 10 Transition Adapter DTM920 SMP female to male banana Omega TAS U 5 Preparation for Adjustment The following guidelines apply to all DTM900 and DTM920 adjustments Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Warm up the thermometer for at least 30 minutes Do not alter any setting without reading the entire adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual NOTE Thermocouple connectors are temperature sensitive For best measure ment accuracy do not touch the connector contacts and minimize handling of the connector housings 14 Handheld Instruments Basic Service DTM900 and DTM920 Adjustment Procedures Open the Thermometer To make internal adjustments you must open the thermometer case and remove the circuit board see Figure 2 or Figure 3 1 2 Unplug the thermocouple s Lay the thermometer face down on a flat work surface Remove the single screw from the b
101. eye er Hn er Eee oe RR nw E 36 Preparation for Adjustment 0 00 ene 36 Adjustments Part Is oc gai et ee daa 38 Adjustments Part 2 llle n 41 Reassembling the Multimeter 000 cece eee eee 42 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service A A 4 DMM912 914 and 916 Digital Multimeters The Tektronix DMM912 DMM914 and DMM916 digital multimeters provide many features Table 1 lists the features of each meter for easy comparison Tektronix DMM916 true nus LIGHT PEAKH DIGITS AUTOH lt wma Rance HOLD RECALL RESET A store serue Bar 6 COM Vac N CA CAIACA son NC UN S Na m Figure 1 DMM916 Digital Multimeter Table 1 DMM91X series digital multimeter features Feature DMM912 DMM916 40 000 display count e e Bargraph e e Centering and zooming e True RMS or average AC measurements e ELS Autorange e IN A e Measurements a DC AC voltage e oe e AC DC voltage e oe e DC AC current e EM e Handheld Instruments Basic Service 1 DMM 912 914 and 916 Digital Multimeters Table 1 DMM91X series digital multimeter features cont Feature DMM912 DMM914 DMM916 Resistance e e Frequency e EN e Diodes and capacitors e oe e Continuity e oe e Duty factor oe e Temperature EM e Decibel e AC volts and amp
102. for Electrical equipment for measurement control and laboratory use Class Ill equipment is 0 1 0 8 C 0 1 1 6 F 0 3 42 F equipment for connection to SELV or SELV E circuits only 20 KQ minimum Handheld Instruments Basic Service DTM500 Series Specifications Table 3 Environmental characteristics Characteristic Description Temperature coefficient 18 C or 228 C DTM510 0 15 x specified accuracy per C DTM520 0 1 x specified accuracy per C Operating temperature 0 to 50 C 32 to 122 F at 0 to 75 RH Storage temperature 20 to 60 C 4 to 140 F at 0 to 80 RH Power requirements Single standard 9 V battery ANSI NEDA 1604A IEC 6F 22 Battery life Alkaline DTM510 250 hours DTM520 90 hours Handheld Instruments Basic Service 5 DTM500 Series Specifications 6 Handheld Instruments Basic Service emp a a Mss DTM500 Series Performance Verification Test Equipment This section contains procedures to verify that the DTM510 and DTM520 thermometers perform as warranted If an instrument fails any of the checks it needs adjustment and or repair Verify the performance of your thermometer annually or whenever its accuracy or function is in question The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions m The instrument operates in an 18 to 28 C ambient enviro
103. ge temperature Temperature coefficient Operating altitude 1000 VDC or Ve V 750 VACRMs 600 VDC ACays 2 gt 15 A 600 V fast blow fuse type KTK or KLK Tektronix part number 159 0287 00 1 A 600 V fast blow fuse type BLS or BBS Tektronix part number 159 0337 00 Rated 1000 V GP ANSI ISA S82 02 1988 CSA 22 2 No 231 1 M89 C NRTL LR 100328 0 C to 450 C 0 to 80 R H 20 C to 460 C 0 to 80 R H with battery removed from the meter 0 15 x specified accuracy C 18 C or gt 28 C 2000 m 6561 ft maximum Handheld Instruments Basic Service DMM249 Specifications Table 1 General specifications cont Description 199 mm x 98 mm x 51 mm IP 54 Characteristics Dimensions H x W x D with holster Dust water protection Handheld Instruments Basic Service DMM249 Specifications Table 2 Measurement characteristics Characteristics Description DC volts Ranges 300 mV 3 V 30 V 300 V 1000 V Accuracy 0 3 reading 2 digits Input impedance 10MO Resolution by range 300 mV 100 uV 3V 1mV 30V 10 mV 300 V 100 mV 1000 V 1V AC volts Ranges 3 V 30 V 300 V 750 V Frequency response 40 Hz to 1 kHz 40 Hz to 300 Hz on 3V range Accuracy 1 3 reading 3 digits Input impedance 10 MQ paralleled by less than 100 pF Resolution by range 3V 30V 300 V 750 V DC current Ranges Accuracy 300 A 3mA 30 mA 300 mA 20A Burde
104. haracteristics are not guaranteed but are provided for the convenience of the user Table 1 Electrical characteristics Characteristic Description Overload P rotection Uninsulated Wire Voltage Measuring Rate 2000 A for one minute 600 Va us CAT II 2 times per second nominal AC Current Auto Ranging Ranges 400A and 1000 A Uninsulated Wire Voltage Rating 600 Vg us CAT II Resolution 400 A Range 0 1A 1000 A Range 1A Accuracy 40 Hz to 400 Hz 0A to 400A 1 9 of reading 8 counts 401 A to 1000 A 2 9 of reading 5 counts Crest Factor 1 4 to 2 0 add 1 096 to accuracy 2 0 to 2 5 add 2 596 to accuracy DC Current Auto Ranging Ranges 400A and 1000 A Resolution 400 A Range 0 1A 1000 A Range 1A Handheld Instruments Basic Service 3 DCM330 Specifications Table 1 Electrical characteristics cont Characteristic Description Accuracy OA to 20A 1 9 of reading 10 counts 20 1 A to 400A 1 9 of reading 40 counts 401A to 1000A 2 9 of reading 5 counts Frequency Auto Ranging Ranges 4 kHz and 10 kHz Sensitivity 6 Arms 10 Arms 1kHz to 10 kHz Resolution 4 kHz Range 1 Hz 10 kHz Range 10 Hz Accuracy 0 5 of reading 3 counts Peak Hold Range Low High Resolution Low 0 1A High 1 0A Accuracy 3 of reading 10 counts Table 2 General specifications Characteristic Description Auto Power Off Approximately 30 minutes Battery 9 V ANSI NEDA1604A IEC 6F22 Batte
105. he adjustments listed in Table 5 to return DTM510 and DTM520 thermom eters to factory calibration Table 5 DTM510 and DTM520 adjustments DTM510 Adjustment Procedure DTM520 Adjustment Procedure 2000 mV Calibration Gain Calibration 0 C Calibration Test Equipment To ensure accurate adjustments use the following or equivalent test equipment If you substitute equipment always choose instruments that meet or exceed the minimum requirements specified in Table 6 Handheld Instruments Basic Service 13 DTM500 Series Adjustment Procedures NOTE Before making any adjustment warm up the test equipment according to the manufacturer s recommendations Table 6 Adjustment test equipment Description Minimum requirements Thermocouple Simulator 200 to1370 C 0 01 DC Voltage Source DTM520 10 mV to 2 V 0 0196 accuracy Thermocouple Extension K type thermocouple wire with Cable SMP male end connectors Examples Wavetek 9100 Universal Calibration System or Fluke 5500A Calibrator 328 to 2498 F 0 01 Omega TECK 10 10 Transition Adapter DTM520 SMP female to male banana Omega TAS U 5 Preparation for Adjustment The following guidelines apply to all DTM510 and DTM520 adjustments Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Warm up the thermometer for at least 30 minutes Do not alter any setting without reading the entire
106. he clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Position the clamp to the center of the coil Adjust VR10 until the display reads 200 0 Turn the calibrator output off Remove the clamp meter from the coil Reassemble the meter Adjustment Circuit Display Display name Mode Test value Frequency location Tolerance minimum maximum Position Error AC 380A 50 Hz VR1 lt 5 counts 0 count 5 counts DC Zero DC 0 5 00 5 00 5 DC 0 1 00 1 00 1 DC 400A DC 0 5 201 2 201 8 Range DC 1000 A DC 1 399 401 Range AC 400A AC 0 1 395 5 396 5 Range AC 1000A AC 1 399 401 Range AC 200 0A 120 Hz VR102 0 1 199 9 200 1 1 Auto Zero points shorted Peak Hold points shorted 18 Handheld Instruments Basic Service Instructions Manual Tektronix Y DCM 10 Digital Clamp Meter 070 9849 01 AAA AAA Table of Contents DCM910 Digital Clamp Meter eee 1 DCM 910 Specifications eeeeeeeeeee nn nnn 3 DCM910 Performance Verification eee 7 Test Equipment ii e Poti ae P Cer repa US 7 Set Up ci wick t e RU ERR RE RU ns de eA SEND REN Pet TUER ERRARE s 8 Verification Procedure 2 00 ec n 8 DCM910 Test Record i5 nk RAD ect ee oec eggs 11 DCM 910 Adjustment Procedures eere 13 List of Adjustments oesie e a a e n 13 Test Equipment cereum RET RH rr e EA TERR EE
107. he last function or mode change Maximum input voltage 1000 VDC or 750 VACpws CAT Il between V and COM terminals Maximum floating voltage 1000 VDC or 750 VACgys CAT Il between any terminal and earth GND Maximum open circuit voltage current inputs 600 VDC or 600 VACams between current input and COM terminals Overload protection V connector A connector mA connector TL60 test lead set Operating temperature Storage temperature Operating altitude 1100 V Ve V 0 600 VDC AC He Hz ADD RMS 15 A 600 V fast blow fuse type KTK or KLK Tektronix part number 159 0287 00 1A 600 V fastblow fuse type BLS or BBS Tektronix part number 159 0337 00 Rated 1000 V GP ANSIJISA S82 02 1988 CSA 22 2 No 231 1 M89 C NRTL LR 100328 10 C to 450 C 30 C to 460 C 0 to 80 R H with battery removed from the meter 2000 m 6561 ft maximum Handheld Instruments Basic Service DMM254 Specifications Table 1 General specifications cont Characteristics Dimensions H x W x D with holster Weight with battery Description 199 mm x 98 mm x 51 mm 13 ounces 370 grams With holster 21 2 ounces 600 grams Shock and vibration Meets requirements of MIL T 28800 Class 2 Dust water protection IP 54 Table 2 Measurement characteristics Characteristics Description DC volts Ranges 400 mV 4 V 40 V 400 V 1000 V Accuracy 400 mV range 0 3 reading 2 digits 4 V to
108. he multimeter circuit board WARNING To avoid electric shock avoid touching the exposed connections on e Set the multimeter function switch to the V position Connect the AC voltage calibrator output to the multimeter V and COM input terminals Set the calibrator to each of the values listed in the AC voltage test record and verify that the multimeter display reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator Resistance and Continuity To check the resistance accuracy and verify the continuity function perform the Check following steps 1 2 Handheld Instruments Basic Service Set the multimeter function switch to the Q position Connect the resistance calibrator output to the multimeter V Q and COM input terminals Set the calibrator to each of the values listed in the Resistance and continuity test record and verify that the display reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator DCM300 and DCM320 Performance Verification 10 Handheld Instruments Basic Service DCM300 and DCM320 Performance Verification DCM300 and DCM320 Test Record Serial number Procedure performed by Date DCM300 and DCM320 test record Test input Display minimum Display maximum AC current test 0A 00 0 00 5 10 0A 50 Hz 09 3 10 7 60 Hz
109. he temperature probe input For the DTM520 connect the simulator to the T1 input connector then repeat the test using the T2 input connector NOTE Thermocouple connectors are temperature sensitive For best measure ment accuracy do not touch the connector contacts and minimize handling of the connector housings 2 Set the simulator to the correct probe type The DTM510 thermometer uses a K type probe The DTM520 thermometer can use either a K or J type probe 3 Foreach of the conditions specified in the test records do the following a Set the thermometer Resolution to 0 1 or 1 DTM510 only b Set the thermometer to measure C or F c Set the calibrator to each of the temperature values shown in the test record then verify that the thermometer display reads within the specified Display minimum and maximum limits 8 Handheld Instruments Basic Service DTMS500 Series Performance Verification DTM510 Test Record Serial number Procedure performed by Date DTM510 test record Resolution Display minimum Reading Display maximum 0 1 46 9 28 9 01 0 311 51 1 101 2 47 9 20 0 02 0 192 4 1 0 046 Handheld Instruments Basic Service 9 DTM500 Series Performance Verification 10 Handheld Instruments Basic Service DTMS00 Series Performance Verification DTM520 Test Record Procedure performed by Date Serial number DTM5
110. her Reinstall the three screws Handheld Instruments Basic Service Instructions Manual Tektronix Y DTM500 Series Digital Thermometers 070 9852 01 AAA D Table of Contents DTM500 Series Digital Thermometers 00s eeeee 1 DTMS500 Series Specifications 0 cece cece cece cece eee 3 DTM500 Series Performance Verification Lee 7 Testi Equipment eco eren ere e EG VE og ea tinal P Despues ass 7 Set pe el CE 8 Verification Procedufe cs ois sedi able ace ced eT tps 8 DTM51O0 Test Record nuvo RE A Bee 9 DIM520 Test Record tia SPEED AEA SUN COUNT SERIES 11 DTM500 Series Adjustment Procedures 13 List of Adjustments 2 0 0 0 cece ccc cee cnet eee eens 13 Test Equipment 1 pce cg ced dean ere ere ee RR debe ere 13 Preparation for Adjustment 20 0 c eee cece eens 14 DTM510 Adjustment Procedure 0 0 cc eee ee cece nee 16 DTM520 Adjustment Procedure 0 0 cece cece eens 18 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service PS A DTM500 Series Digital Thermometers The Tektronix DTM510 and DTMS520 are hand held digital thermometers that can measure temperature using a variety of thermocouple probes A K type surface measurement bead probe comes standard with both instruments The DTM510 thermometer uses a single K type probe the DTM520 uses K or
111. ies Adjustment Procedures DTM510 Adjustment Procedure This section describes how to adjust the DTM510 thermometer To properly adjust the thermometer perform the following steps in sequential order 16 1 Ur ums cp o9 Table 7 DTM510 adjustment procedures Thermometer setting Open the thermometer as described in the previous section Turn on the thermometer and allow it to warm up for at least 30 minutes Connect the thermocouple simulator to the probe connector Set the simulator probe type to K For each row in Table 7 set the thermometer and simulator as shown then adjust the specified test point until the displayed temperature is within the proper limits Figure 2 shows the location of the adjustment points Simulator setting C F Temperature Test point Temperature limits C 0 1 0 C VR1 00 1 and 00 1 F 1 1000 C VR3 1831 and 1833 C de 1000 C VR5 999 and 1001 C 0 1 190 C VR2 189 9 and 190 1 F 0 1 0 C VR4 31 9 and 32 1 C 1 1000 C VR3 999 and 1001 Handheld Instruments Basic Service DTM500 Series Adjustment Procedures A Figure 2 DTM510 Thermometer disassembly and adjustment locations Handheld Instruments Basic Service DTM500 Series Adjustment Procedures DTM520 Adjustment Procedure This section describes how to adjust the DTM520 thermometer To properly adjust the thermometer perform the following steps in sequentia
112. ifications 6 Handheld Instruments Basic Service DMM0912 914 and 916 Specifications Table 6 Certifications and compliances cont Description CAT III Distribution level mains fixed installation CAT Il Local level mains appliances portable equipment CAT I Signal level special equipment or parts of equipment telecommunication electronics Do not operate in environments where conductive pollutants may be present Characteristic Overvoltage category Pollution Degree 2 Handheld Instruments Basic Service DMM 912 914 and 916 Specifications 8 Handheld Instruments Basic Service A iif DMM912 914 and 916 Performance Verification This section contains procedures to verify that the DMM912 DMM914 and DMM 106 Digital Multimeters perform as warranted If an instrument fails any of these checks it needs adjustment and or repair The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions The multimeter operates in an 18 to 28 C 64 to 82 F ambient environment with a relative humidity of less than 75 m The multimeter stabilizes in the stated ambient temperature for one hour The multimeter warms up for five minutes W For AC measurements allow the multimeter to settle to its final value before taking the measurement m The multimeter remains
113. imeter C V O4 and COM input connectors Set the calibrator to each of the values in the Duty factor test record and verify that the multimeter reads within the specified Display minimum and maximum limits 13 DMM 12 914 and 916 Performance Verification 14 Q Check Low Voltage Check Continuity Check 5 6 Turn the calibrator output off Disconnect the calibrator from the multimeter Perform the following steps to verify the resistance measurement accuracy in Q mode 1 2 Set the multimeter dial to Q Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Q test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Perform the following steps to verify the resistance measurement accuracy in LV mode 1 2 Set the multimeter dial to Q Push the BLUE button to select the LV mode Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Low voltage Q test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Perform the following steps to verify the continuity check accuracy
114. imeter dial to Q Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Q test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Perform the following steps to verify the resistance measurement accuracy in LV mode 1 2 Set the multimeter dial to Q Push the BLUE button to select the LV mode Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Low voltage Q test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Perform the following steps to verify the continuity check accuracy 1 2 Set the multimeter dial to Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Continuity test record and verify proper operation Turn the calibrator output off Disconnect the calibrator from the multimeter Handheld Instruments Basic Service DMMS00 Series Performance Verification 6 7 Insert the multimeter test leads into the C V O4 and COM input connectors of the multimeter Short the test leads toge
115. ions and compliances cont Overvoltage Category Category Examples of P roducts in this Category CAT III Distribution level mains fixed installation CAT Il Local level mains appliances portable equipment CAT Signal levels in special equipment or parts of equipment telecommunications electronics Pollution Degree 2 As defined in EN 61010 1 Do not operate in environments where conductive pollutants may be present 4 Handheld Instruments Basic Service IE eame CIC M CMM150 Performance Verification This section contains the procedure to verify that the CMM150 AC Current Probe performs as warranted when installed on a DMM150 Digital Multimeter If an instrument fails any of these checks it needs adjustment and or repair The performance verification procedure provides a valid confirmation of instrument electrical characteristics and function under the following conditions m The CMM150 and DMM150 operate in an 18 to 28 C 64 to 82 F ambient environment with a relative humidity of less than 7596 Wm The DMM150 stabilizes at the stated ambient temperature for one hour m The DMM150 warms up for five minutes W The DMM150 is set to the 3 V AC mode m Allow the DMM150 to settle to its final value before taking the measure ment The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently Test Equipment The performance verifica
116. ircuit Auto power off The meter automatically shuts off in aboutten minutes from the last function or mode change The meter turns on again when any button is pressed Table 3 Certifications and compliances EC Declaration of Conformity Meets intent of Directive 89 336 EE C for Electromagnetic Compatibility and Low Voltage Directive 73 23 EEC for Product Safety Compliance was demonstrated to the following specifications as listed in the Official J ournal of the European Communities EMC Directive 89 336 EEC EN 55011 Class B Radiated and Conducted Emissions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge Immunity IEC 801 3 RF Electromagnetic Field Immunity Low Voltage Directive 73 23 EEC as amended by 93 68 EEC EN 61010 1 A2 Safety requirements for electrical equipment for measurement control and laboratory use Certifications Listed UL3111 1 and CAN CSA C22 2 No 1010 1 Overvoltage Category Category Examples of Products in this Category CAT Ill Distribution level mains fixed installation CAT II Local level mains appliances portable equipment CAT Signal levels in special equipment or parts of equipment telecommunications electronics Pollution Degree 2 Do not operate in environments where conductive pollutants may be present Handheld Instruments Basic Service Se Saca DMM157 Performance Verification This section contains procedures to verify that the DMM157 Digital Multimet
117. l order Figure 3 shows the location of the test and adjustment points 1 2 3 Open the thermometer See page 15 for instructions Solder a jumper across R25 Turn on the thermometer and allow it to warm up for at least 30 minutes 2000 mV Calibration Use the following procedure to perform a 2000 mV calibration 1 2 3 Press T2 once to access the T2 mode Install a jumper across the test points marked JP1 Connect the DC voltage source to the T1 probe connector The composition of both lead wires should be identical Set the DC voltage source output to 2000 0 mV 30 0146 Adjust VR2 until the display shows 2000 0 The first digit of the temperature appears at the upper right hand corner of the display Disconnect the DC voltage source Remove the R25 jumper Do not remove the JP1 jumper Gain Calibration Use the following procedure to perform a gain calibration 1 2 3 4 18 Press C F until 1L appears in the upper left hand corner of the display Set the DC voltage source output to 50 000 mV 0 01 Reconnect the DC voltage source to the T1 probe connector Adjust VR3 until the display shows 000 0 The first digit of the tempera ture appears at the upper right hand corner of the display Disconnect the DC voltage source Remove the JP1 jumper Handheld Instruments Basic Service DTM500 Series Adjustment Procedures 0 C Calibration Use the following procedure to perfor
118. less otherwise noted m The instrument warms up for 60 minutes NOTE All specifications are warranted unless marked typical Typical characteristics are not guaranteed but are provided for the convenience of the user Specifications marked with the symbol are checked in the performance verification procedures Table 1 General characteristics Characteristic Description Product Measurement Range DTM900 50 to 1300 C 58 to 1999 F DTM920 K type probe 200 to 1370 C 328 to 2498 F DTM920 J type probe 200 to 760 C 328 to 1400 F Accuracy Resolution of Reading DTM900 0 19 C 0 2 12 C 5 to 30 F or 0 2 42 F 53r LT 8035 4 F 200 to 8ggec C 0 4 2 C d 1000 to 1300 C 1 C 0 6 2 C op o l l 392 01831F LT 0 4 4 F l l 1832 to 1999 F l F 0 6 4 F Handheld Instruments Basic Service 3 DTM900 and DTM920 Specifications Table 1 General characteristics cont Characteristic Accuracy DTM 920 K type probe Description Temperature Range Resolution 200 to 100 C 0 19 C ofReading 0 3 1 C 0 3 2 F 0 1 1 4 F 0 1 0 7 C 0 3 1 C t an t 0 3 2 F 0 3 2 2 C Accuracy of Reading DTM 920 J type probe Table 2 General characteristics Characteristic Temperature Range Probe Tolerance Measurement Rate Re
119. librator from the multimeter AC Milliampere Check Perform the following steps to verify the AC milliampere measurement accuracy 1 2 Set the multimeter dial to UA or mA zx as needed Push the BLUE button to select AC mode Connect the calibrator outputs to the multimeter uA mA and COM input connectors Set the calibrator to each of the values in the AC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter DC Ampere Check Perform the following steps to verify the DC ampere measurement accuracy 1 2 Handheld Instruments Basic Service Set the multimeter dial to A 5 Connect the calibrator outputs to the multimeter A and COM input connectors Set the calibrator to each of the values in the DC ampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 17 DMM 12 914 and 916 Performance Verification 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter AC Ampere Check Perform the following steps to verify the AC ampere measurement accuracy 1 Set the multimeter dial to A 5 2 Push the BLUE button to select AC mode 3 Connect the calibrator outputs to the multimeter A and COM input connectors 4 Setthe calibrator to each of the values in the AC ampere test record and verif
120. librator to each of the values in the DC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits Set the calibrator output to OFF Disconnect the calibrator from the multimeter DMM 1250 Performance Verification 10 Q Check Continuity Check Perform the following steps to verify the resistance measurement accuracy in Q mode 1 Set the multimeter slide switch to Q r 2 Connect the calibrator outputs to the multimeter V O and COM input connectors 3 Set the calibrator to each of the values in the Q test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Setthe calibrator output to OFF 5 Disconnect the calibrator from the multimeter Perform the following steps to verify the continuity check accuracy 1 2 Set the multimeter slide switch to Q Push the BLUE button to select the continuity mode Connect the calibrator outputs to the multimeter V O and COM input connectors Set the calibrator to each of the values in the Continuity test record and verify proper operation Set the calibrator output to OFF Disconnect the calibrator from the multimeter Insert the multimeter test leads into the V O and COM input connectors of the multimeter Short the test leads together and check for proper operation Handheld Instruments Basic Service DMM150 Performance Verification DMM150 Test R
121. llowing steps to adjust the DC milliamperes calibration 1 2 Set the multimeter dial to mA zx Connect the outputs of the calibrator to the yA mA and COM input connec tors of the multimeter Set calibrator to output 100 0 mA Press and hold the gold button for five seconds The multimeter beeps twice when the gold button is first pressed and then two more beeps follow after five seconds Press the SETUP button and wait for the calibration to finish CAL is displayed during the calibration After the calibration is completed press EXIT SETUP blue button Turn the calibrator output off Disconnect the calibrator from the multimeter Perform the following steps to adjust the DC amperes calibration 1 2 3 Set the multimeter dial to A 5 Connect the calibrator outputs to the multimeter A and COM inputs Set calibrator to output 10 00 A Handheld Instruments Basic Service DMM800 Series Adjustment Procedures Adjustments Part 2 Press and hold the gold button for five seconds The multimeter beeps twice when the gold button is first pressed and then two more beeps follow after five seconds Press the SETUP button and wait for the calibration to finish CAL is displayed during the calibration After the calibration is completed press EXIT SETUP blue button Turn the calibrator output off Disconnect the calibrator from the multimeter To perform the following procedure you must lift out the e
122. m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your multimeter meets factory specifications perform the procedures in the DCM330 Performance Verification section List of Adjustments Use the adjustments listed in Table 7 to return the DCM330 clamp meter to factory calibration Table 7 DCM330 adjustments Position Error AC Current DC Current Peak Hold Test Equipment The test equipment listed in Table 6 on page 8 is a complete list of equipment needed for the adjustment procedures These procedures assume that all test equipment is operating within tolerance Detailed operating instructions for test equipment are not given in this procedure If you need operating information refer to the instruction manual of the test equipment Alternative test equipment must meet or exceed the intended minimum requirements specfied in Table 6 If you substitute equipment you may need to modify the procedures Handheld Instruments Basic Service 13 DCM330 Adjustment Procedures Preparation for Adjustment The following guidelines apply to all DCM330 adjustments Adjustment Procedure 14 Open the Meter Case A Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Before making any adjustment warm up the current meter for at least 30 minutes Do not alter any setting without reading the entire adjustment pr
123. m a 0 calibration 1 Connect the thermocouple simulator to the T1 probe connector Set the thermocouple simulator and thermometer probe types to K Set the thermocouple simulator to 0 C Adjust VR1 until displayed temperature is between 00 1 and 00 1 VUES OOo ARS Disconnect the thermocouple simulator JP1 VR3 e m VR2 Figure 3 DTM520 Thermometer disassembly test points and adjustment locations Handheld Instruments Basic Service 19 DTM500 Series Adjustment Procedures 20 Handheld Instruments Basic Service Instructions Manual Tektronix Y DTM900 and DTM920 Digital Thermometers 070 9853 01 AAA CD A 9SnAi Table of Contents DTM 900 and DTM920 Digital Thermometers 1 DTM900 and DTM920 Specifications eee 3 DTM900 and DTM920 Performance Verification 7 Test Equipment od ev be SI b b SEGURA Up UE aces 7 Set UPa ooi dak Re ERE Us ep uo Bide wel RIEN Ee et ERAN S 8 Verification Procedure suec EX cape dete tps 8 DTM900 Test Record ovocitos Dee 9 D TM920 Test Record iia ei ae Ea andy Aa ee DOUNN Sas 11 DTM900 and DTM920 Adjustment Procedures 13 List of Adjustments oooocoocooccoc I 13 Test Equipment i ecu eg ee cede dean ere ere e re ERR debe eure 13 Preparation for Adjustment 20 0
124. m using a standard Philips head screwdriver Gently lift the end of the case bottom at the end opposite from the display Then lift the end nearest the display until it unsnaps from the case top To reassemble the multimeter following the adjustments see page 22 Handheld Instruments Basic Service DMM157 Adjustment Procedures Adjustment Perform the following steps to adjust the DC voltage calibration 1 oe Set the multimeter dial to V Connect the outputs of the calibrator to the V Q and COM input connectors of the multimeter Set the calibrator to output 290 0 mVDC Adjust VR1 until the display shows 290 0 to 290 1 mVDC Turn the calibrator output off Disconnect the calibrator from the multimeter Figure 2 Adjustment location Handheld Instruments Basic Service 21 DMM157 Adjustment Procedures Reassembling the Multimeter 1 Ensure that the rotary dial is properly aligned 2 Align the tabs of the bottom case half with the slots in the top case half at the end of the meter near the input connectors CAUTION Before closing the case check that the rotary dial is properly aligned and that the battery wires are not pinched 3 Close the case snapping the case halves together 4 Reinstall the screw 22 Handheld Instruments Basic Service Instructions Manual Tektronix Y DMM249 Digital Multimeter 070 9934 00 AAA D Table of Contents
125. meter Perform the following steps to adjust the DC amperes calibration 1 2 Set the multimeter dial to A 5 Connect the calibrator outputs to the multimeter A and COM inputs Handheld Instruments Basic Service DMM 12 914 and 916 Adjustment Procedures Adjustments Part 2 AC Response 3 Setcalibrator to output 10 00 A 4 Press and hold the gold button for five seconds The multimeter beeps twice when the gold button is first pressed and then two more beeps follow after five seconds 5 Press the SETUP button and wait for the calibration to finish CAL is displayed during the calibration After the calibration is completed press EXIT SETUP blue button 6 Turn the calibrator output off 7 Disconnect the calibrator from the multimeter To perform the following procedure you must lift out the entire circuit board assembly from the top case half to access the adjustments Perform this proce dure only if the Performance Verification procedure indicates that the AC voltage accuracy checks above 60 Hz is out of specification Figure 4 Adjustment locations 2 Perform the following steps to adjust the AC voltage calibration above 60 Hz 1 Set the multimeter dial to V 2 Liftthe circuit board assembly out of the top case half 3 Connect the outputs of the calibrator to the C V Q46 and COM input connectors of the multimeter 4 Setcalibrator to output 100 VAC at 10 kHz sinewave 5 Adjust V
126. n throughout the warm up period and throughout the entire verification procedure 3 Warm up the multimeter for five minutes 4 Photocopy the test record on pages 16 and 17 to record your test results 10 Handheld Instruments Basic Service DMM249 Performance Verification Verification Procedure Implement the following checks to verify the performance of your DMM249 multimeter N WARNING To avoid electric shock avoid touching exposed connections AC Volts Check Perform the following steps to verify the AC voltage measurement accuracy 1 2 Set the multimeter dial to V Connect the calibrator outputs to the multimeter V Q and COM input connectors Set the calibrator to each of the values in the AC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter DC Volts Check Perform the following steps to verify the DC volts measurement accuracy 1 Handheld Instruments Basic Service Set the multimeter dial to V and press the Blue function button to select DC volts Connect the calibrator outputs to the multimeter V O and COM input connectors Set the calibrator to each of the values in the DC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the cali
127. n voltage 300 uA 30 mA 3 mA 300 mA 10 A 1mV 10 mV 100 mV 1V 300 uA 3 mA 30 mA 300 mA 20 A The A range has a 30 second time limit for measuring current levels above 10 A but not to exceed 20 A 1 reading 2 digits 1 2 reading 2 digits 1 reading 2 digits 1 2 reading 2 digits 2 reading 3 digits 200 mV maximum 2 V maximum Handheld Instruments Basic Service DMM249 Specifications Table 2 Measurement characteristics cont Characteristics Description Resolution by range 300 uA 0 1 UA 3mA 1 pA 30 mA 10 pA 300 mA 0 1 mA 20A 10 mA AC current Ranges 300 pA 3 mA 30 mA 300 mA 20 A The A range has a 30 second time limit for measuring current levels above 10 A but notto exceed 20 A Accuracy 300 pA to 30 mA 1 5 reading 3 digits 300 mA 2 reading 3 digits 20A 2 5 reading 5 digits Burden voltage 300 pA 30 mA 200 mV maximum 3 mA 300 mA 10 A 2 V maximum Frequency response 40 Hz to 1 kHz Resolution by range 300 A 0 1 uA 3mA 1pA 30 mA 10 pA 300 mA 100 pA 20A 10 mA Resistance Ranges 300 O 3 KQ 30 KQ 300 kQ 3MQ 30 MQ Accuracy 300 Q 1 2 reading 4 digits 3 KQ to 300 kQ 1 0 reading 2 digits 3MQ 1 5 reading 3 digits 30MQ 2 5 reading 5 digits Open circuit voltage Approximately 1 3 V Handheld Instruments Basic Service DMM249 Specifications Table 2 Measurement characteristics cont
128. nd of the case bottom at the end opposite from the display Then lift the end nearest the display until it unsnaps from the case top See Figure 2 for details To reassemble the multimeter following the adjustments see page 42 36 Handheld Instruments Basic Service DMM 12 914 and 916 Adjustment Procedures Case bottom Remove screws 3 E Case top Figure 2 Opening the meter case Handheld Instruments Basic Service 37 DMM 912 914 and 916 Adjustment Procedures Adjustments Part 1 38 DC Volts AC Volts The procedures within this section use the adjustments accessible with the back case removed from the multimeter VR 4 DMM914 and DMM916 Figure 3 Adjustment locations 1 Perform the following steps to adjust the DC voltage calibration 1 Set the multimeter dial to V 2 Connect the outputs of the calibrator to the C V OQ4 and COM input connectors of the multimeter Set the calibrator to output 3 0000 VDC Adjust VR5 until the display shows 2 9999 to 3 0001 VDC Turn the calibrator output off SMN DO Disconnect the calibrator from the multimeter Perform the following steps to adjust the AC voltage calibration at 60 Hz 1 Set the multimeter dial to V 2 Connect the outputs of the calibrator to the C V OQ4 and COM input connectors of the multimeter 3 Setthe calibrator to output 2 0000 VAC at 60 Hz 4 Adjust VR6 until the display shows 1 9999 to 2 0001 VAC
129. nging Ranges 400A and 1000 A Uninsulated Wire Voltage Rating 600 Vg us CAT II Resolution 400 A Range 0 1A 1000 A Range 1A Accuracy 40 Hz to 400 Hz 0A to 400A 1 9 of reading 8 counts 401 A to 1000 A 2 9 of reading 5 counts Crest Factor 1 4 to 2 0 add 1 096 to accuracy 2 0 to 2 5 add 2 596 to accuracy DC Current Auto Ranging Ranges 400A and 1000 A Resolution 400 A Range 0 1A 1000 A Range 1A Handheld Instruments Basic Service 3 DCM910 Specifications Table 1 Electrical characteristics cont Characteristic Description Accuracy OA to 20A 1 9 of reading 10 counts 20 1 A to 400A 1 9 of reading 40 counts 401A to 1000A 2 9 of reading 5 counts Frequency Auto Ranging Ranges 4 kHz and 10 kHz Sensitivity 6 Arms 10 Arms 1kHz to 10 kHz Resolution 4 kHz Range 1 Hz 10 kHz Range 10 Hz Accuracy 0 5 of reading 3 counts Peak Hold Range Low High Resolution Low 0 1A High 1 0A Accuracy 3 of reading 10 counts Table 2 General specifications Characteristic Description Auto Power Off Approximately 30 minutes Battery 9 V ANSI NEDA1604A IEC 6F22 Battery Life 40 hours alkaline Maximum Conductor Size 51 mm 2 inch diameter or 24 x 60 mm 95 x 2 36 inch bus bar Handheld Instruments Basic Service DCM910 Specifications Table 3 Certifications and compliances Canadian Standards Association certified to Standard CSA 1010 1 Standard UL3111 1 for Electric
130. nment with a relative humidity of less than 80 m The instrument warms up for 60 minutes m The instrument remains fully assembled do not remove the bottom cover The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 4 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Table 4 Performance verification test equipment Description Example product Thermocouple Simulator 200 to1370 C 0 01 Wavetek 9100 Universal 328 to 2498 F 0 01 Calibration System or Fluke 5500A Calibrator Handheld Instruments Basic Service 7 DTM500 Series Performance Verification Set Up To prepare for the performance verification checks do the following 1 Warm up the thermometer for 60 minutes 2 Photocopy the test record for your model on pages 9 through 12 to record your test results Verification Procedure Implement the following tests to verify the temperature measurement accuracy of your DTM510 or DTM520 thermometer 1 Connect the thermocouple simulator output to t
131. nnectors CAUTION Before closing the case check that the rotary dial is properly aligned and that the battery wires are not pinched 3 Close the case snapping the case halves together 4 Reinstall the three screws 24 Handheld Instruments Basic Service Instructions Manual Tektronix Y DMMS00 Series Digital Multimeters 070 9850 01 AAA D Table of Contents DMMS00 Series Digital Multimeters o ooooomomo oo 1 DMM800 Series Specifications cece cece cece enone 3 DMMS00 Series Performance Verification eee 9 Test Equipment 2s eer eta ee talcs VR eg UR as Sale C P Dec Rs ROS 10 SUP es REL RE Udo Bee ED ANDEREN PC EUNT 11 Verification Procedure ooooooooooocrr n 12 DMMS30 Test Records pareria cee ee ete e nent eens 19 DMMS50 Iest Records cote haw nde eae AR S 23 DMMS70 Test Records 0 0 eee cece T E ree 29 DMM800 Series Adjustment Procedures 35 List of Adjustments A e e e E e ene nee 35 Test Equipment erede eee de Herr ee in E RE RR nw dog aes 36 Preparation for Adjustment 20 2 0 cece cece eee eens 36 Adjustments Part Is oc gai eee ce en e RR dub rs 38 Adjustments Part 2 llle n 41 Reassembling the Multimeter 000 cece eee eee 42 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service AS I
132. nstrument operates in an 18 to 28 C 64 to 82 F ambient environment with a relative humidity of less than 7596 m The instrument warms up in the ambient environment for at least one hour m The instrument remains fully assembled do not remove the bottom cover The DCM910 performance verification consists of the checks listed in Table 5 Table 5 Performance verification checks AC Current Check DC Current Check Frequency Check The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 6 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Handheld Instruments Basic Service 7 DCM910 Performance Verification Table 6 Test equipment Description Example product AC DC Current Calibrator 20 5 accuracy 0 to 400 A Wavetek 9100 with Option 50 7 accuracy 400 to 1000 A 200 current multiplier coils Set Up To prepare for the performance verification checks do the following 1 Turn the DCM910 Digital Clamp Meter on 2 Warm up the meter for 20 minutes 3 Photocopy
133. nt and test Certifications Examples of P roducts in this Category Distribution level mains fixed installation Local level mains appliances portable equipment Signal levels in special equipment or parts of equipment telecommunications electronics Do not operate in environments where conductive pollutants may be present Category CAT Ill CAT II CAT I Overvoltage Category Pollution Degree 2 4 Handheld Instruments Basic Service DCM300 and DCM320 Specifications Table 4 Environmental characteristics Characteristic Description Temperature Operating 0 to 45 C 32 to 113 F 7596 relative humidity Nonoperating 20 to 460 C 4 to 140 F 8096 relative humidity Temperature Coefficient 0 2 specified accuracy per C at 18 C 64 F or 228 C 82 F Maximum Altitude Operating 2 200 m 7 218 ft Handheld Instruments Basic Service 5 DCM300 and DCM320 Specifications 6 Handheld Instruments Basic Service A Se mu EC Mni DCM300 and DCM320 Performance Verification Test Equipment This section contains procedures to verify that the DCM300 and DCM320 Digital Clamp Multimeters perform as warranted If an instrument fails any of the checks it needs adjustment and or repair The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions m The instrument operates in an
134. nt temperature for one hour before testing 2 Turn the multimeter on by rotating the function switch to any position other than OFF NOTE You need to keep the multimeter powered on throughout the warm up period and throughout the entire verification procedure Set the auto power off time to a large value or disable the auto power off by pushing the Blue button when turning the dial from the OFF position 3 Warm up the multimeter for five minutes 4 Setthe Digits to the 40 000 counts display 5 Pages 19 through 33 contain test records for the DMM800 series multime ters Each model has its own test record Photocopy the test record pages for your model to record your test results NOTE If stability of the display reading causes questionable accuracy of a test set the multimeter to Average mode Handheld Instruments Basic Service 11 DMMS00 Series Performance Verification Verification Procedure 12 A AC Volts Check DC Volts Check DC Millivolts Check Implement the following checks to verify the performance of your DMM800 Series multimeter WARNING To avoid electric shock avoid touching exposed connections Perform the following steps to verify the AC voltage measurement accuracy 1 Set the multimeter dial to V 2 Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors 3 Set the calibrator to each of the values in the AC volts test record and verify th
135. ntire circuit board assembly from the top case half to access the adjustments Perform this proce dure only if the Performance Verification procedure indicates that the AC voltage accuracy checks above 60 Hz is out of specification Figure 4 Adjustment locations 2 AC Response Perform the following steps to adjust the AC voltage calibration above 60 Hz 1 2 Handheld Instruments Basic Service Set the multimeter dial to V Lift the circuit board assembly out of the top case half Connect the outputs of the calibrator to the C V Q46 and COM input connectors of the multimeter Set calibrator to output 100 VAC at 10 kHz sinewave Adjust VC3 until the display shows 498 60 V Set the calibrator frequency to 500 Hz sinewave 41 DMM800 Series Adjustment Procedures Ts 8 9 Confirm that the reading is less than 100 60 V Repeat step 5 if necessary Set the calibrator frequency to 1 kHz sinewave Confirm that the reading is less than 104 0 V Repeat step 5 if necessary NOTE Steps 10 through 17 do not apply to the DMM830 10 11 12 13 14 15 16 17 18 19 Set the calibrator to output 20 VAC at 10 kHz sinewave Adjust VC1 until the display shows 19 700 V Set the calibrator frequency to 500 Hz sinewave Confirm that the reading is less than 20 110 V Repeat step 11 if necessary Set the calibrator to output 2 VAC at 10 kHz sinewave Adjust VC2 until the display shows 1 9700 V
136. nts 20 DC Volts AC Volts The procedures within this section use the adjustments accessible with the back case removed from the multimeter Figure 2 Adjustment locations Perform the following steps to adjust the DC voltage calibration 1 Set the multimeter dial to V 2 Connect the outputs of the calibrator to the V O and COM input connectors of the multimeter Set the calibrator to output 190 0 mVDC Adjust VR1 until the display shows 190 0 to 190 1 mVDC Turn the calibrator output off A Au R DO Disconnect the calibrator from the multimeter Perform the following steps to adjust the AC voltage calibration 1 Set the multimeter dial to V 2 Connect the outputs of the calibrator to the V O and COM input connectors of the multimeter Set the calibrator to output 300 0 VAC Adjust VR2 until the display shows 300 0 VAC Turn the calibrator output off wee Ru Disconnect the calibrator from the multimeter Handheld Instruments Basic Service DMM249 Adjustment Procedures Reassembling the Multimeter 1 Ensure that the rotary dial is properly aligned 2 Align the tabs of the bottom case half with the slots in the top case half at the end of the meter near the input connectors CAUTION Before closing the case check that the rotary dial is properly aligned and that the battery wires are not pinched 3 Close the case snapping the case halves together 4 Reinstall the three
137. o adjust VR4 until the buzzer sounds You will have to remove the bottom cover to make the adjustment and then replace the cover to make the test If the buzzer does sound use a small flat tipped screwdriver to adjust VR4 until the buzzer does not sound After that use the screwdriver to adjust VR4 until the buzzer sounds again Remove the cover to adjust replace the cover to test When you complete all adjustments turn the multimeter off and replace the bottom cover Do not pinch the battery leads between the case halves during reassembly Figure 2 Adjustment locations Handheld Instruments Basic Service DCM300 and DCM320 Adjustment Procedures Table 8 Summary of adjustments Adjustment Circuit Display Display name Test value Range setting location Tolerance minimum maximum AC Volts 300 0 V 500 Hz DCM300 300 3 50 Hz DCM320 Ohm 1 000 kQ 1 001 kQ 150 Q Adjust VR 4 until the buzzer just sounds Handheld Instruments Basic Service 17 DCM300 and DCM320 Adjustment Procedures 18 Handheld Instruments Basic Service Instructions Manual Tektronix Y DCM330 Digital Clamp Meter 070 9848 01 AAA AAA Table of Contents DCM330 Digital Clamp Meter eee 1 DCM330 Specifications 0 cece cece cere rere eee nnn 3 DCM330 Performance Verification o ooooooomomoo 7 Test Equipment 4c cen deen acid abate sociale a tials Poti ae adds Pac Resa ROS 7 Set
138. o each of the values in the DC microampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Set the calibrator output to OFF DC Milliampere Check Perform the following steps to verify the DC milliampere measurement accuracy 1 Set the multimeter dial to mA 2 Connect the calibrator outputs to the multimeter UA mA 4 and COM input connectors 3 Set the calibrator to each of the values in the DC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Set the calibrator output to OFF 5 Disconnect the calibrator from the multimeter AC Microampere Check Perform the following steps to verify the AC microampere measurement accuracy 1 Set the multimeter dial to UA 2 Push the BLUE button to select AC mode 3 Connect the calibrator outputs to the multimeter UA mA 4 and COM input connectors 4 Setthe calibrator to each of the values in the AC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 5 Setthe calibrator output to OFF 6 Disconnect the calibrator from the multimeter 12 Handheld Instruments Basic Service DMM 157 Performance Verification AC Milliampere Check Perform the following steps to verify the AC milliampere measurement accuracy 1 2 Set the multimeter dial to MA x Push the BLUE button to sele
139. ocedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual You must open the meter case to gain access to the internal adjustments 1 2 Lay the meter face down on a flat work surface Remove the two screws from the case bottom with a Phillips head screwdriver Gently lift the end of the case bottom until it unsnaps from the case top Remove the three screws that secure the circuit board assembly to the case top Do not remove the screws that secure the circuit boards to each other To access the adjustments lift the circuit board assembly far enough out of the top case to expose the adjustments See Figure 2 and the procedure that follows To reassemble the meter following the adjustments perform steps 2 through 4 above in reverse order To return your instrument to factory calibration implement the following procedures Use a small flat tipped screwdriver to make the adjustments Refer to Figure 2 for adjustment locations WARNING Magnetic fields are produced that may cause a malfunction in heart pacemakers or damage to sensitive equipment Handheld Instruments Basic Service DCM330 Adjustment Procedures VR1 VR2 VR3 VR5 VR6 VR7 VR8 Short for Auto Zero dy dy VR2 E
140. ocedure performed by Date DMM249 test record Test input Display minimum Display maximum AC volts test 2 900 V 50 Hz 31 396 3 counts 2 859 V 2 940 V 300 Hz 31 396 3 counts 2 859 V 2 940 V 29 00 V 31 396 3 counts 29 40 V 1 3 3 counts 29 40 V 290 0 V 50 Hz 1 3 3 counts 285 9 V 294 0 V 400 Hz 1 3 3 counts 285 9 V 294 0 V 600 0 V 50 Hz 31 396 3 counts 589 V 611 V 400 Hz 1 3 3 counts 589 V 611 V DC volts test 290 0 mV 0 3 2 counts 288 9 mV 291 1 mV 2 900 V 0 3 2 counts 2 911 V 29 00 V 0 3 2 counts 28 89 V 29 11 V 290 0 V 0 3 2 counts 288 9 V 2911V 600 0 V 0 3 2 counts 596 V 604 V O test 0 00 O 1 2 4 counts 0 40 040 300 0 Q 1 2 4 counts 296 0 Q 304 0 O 3 000 kO 1 0 2 counts 2 968 kQ 3 032 KQ 30 00 kO 1 0 2 counts 29 68 kQ 30 32 kQ 300 0 KQ 1 0 2 counts 296 8 kQ 303 2 kQ 3 000 MQ 1 5 3 counts 2 952 MQ 3 048 MQ 30 00 MQ 2 5 5 counts 29 20 MQ 30 80 MQ 16 Handheld Instruments Basic Service DMM249 Performance Verification DMM249 test record cont Test input Display minimum Display maximum Continuity test 0 00 Beeper sounds 100 Q Beeper does not sound DC microampere test 0 0 pA 2 counts 00 2 uA 00 2 uA 290 0 pA 1 0 2 counts 286 9 uA 293 1 pA DC milliampere test 2 900 mA 1 2 2 counts 2 863 mA Po 2 936 mA 29 00 mA 1 0 2 counts 28 69 mA E 29 31 mA 290 0 mA 1 2 2 counts 286
141. on 400 V Range 0 1V 600 V Range 1V Accuracy 40 to 500 Hz 1 2 of reading 5 digits Crest Factor DCM 320 only AC Current Auto Ranging Ranges Overload Protection Uninsulated Wire Voltage Rating 1 4 to 2 0 add 0 6 to accuracy 2 0 to 2 5 add 2 0 to accuracy 600A and 400A 800A 600 Vnus CAT II Resolution 400 A Range 0 1A 600 A Range 1A Accuracy 50 to 60 Hz 400 A Range 1 9 of reading 5 digits 600 A Range 2 9 of reading 5 digits Crest Factor DCM 320 only 1 4 to 2 0 add 1 096 to accuracy 2 0 to 2 5 add 2 596 to accuracy Handheld Instruments Basic Service DCM300 and DCM320 Specifications Table 1 Electrical characteristics cont Characteristic Description Resistance Auto ranging meter beeps if resistance is 100 Q Ranges 4 kO and 40 kQ Overload Protection 600 Vg us Resolution 4 kO Range 10 40 kO Range 100 Accuracy 2 0 of reading 9 digits Maximum Open Circuit Voltage 1V Table 2 General specifications Characteristic Description Auto Power Off Approximately 30 minutes Battery 9 V ANSI NEDA1604A IEC 6F22 Battery Life 200 hours alkaline Maximum Conductor Size 40 mm Table 3 Certifications and compliances Canadian Standards Association certified to Standard CSA 1010 1 Standard UL3111 1 for Electrical and Electronic Measuring and Testing Equipment and EC1010 2 032 particular requirements for hand held current clamps for electrical measureme
142. on Minimum requirements Example product Universal Calibration Resolution amp accuracy 4 times Wavetek 9100 with 9105 lead System greater than the multimeter set display reading AC and DC volts measurement AC and DC current measurement Resistance measurement Capacitance measurement Sinewave generation Squarewave generation Capacitance standard Optional 1 Choose 4 wire measurement setup if available 10 Handheld Instruments Basic Service DMM254 Performance Verification Set Up To prepare for the performance verification checks do the following steps 1 Allow the multimeter to stabilize at the ambient temperature for one hour before testing 2 Turn the multimeter on by rotating the function switch to any position other than OFF NOTE You need to keep the multimeter powered on throughout the warm up period and throughout the entire verification procedure 3 Warm up the multimeter for five minutes 4 Photcopy the test record on pages 17 through 19 to record your test results Handheld Instruments Basic Service 11 DMM254 Performance Verification Verification Procedure Implement the following checks to verify the performance of your DMM254 multimeter jl WARNING To avoid electric shock avoid touching exposed connections AC Volts Check Perform the following steps to verify the AC voltage measurement accuracy 1 Set the multimeter dial to V 2 Connect the calibrator
143. on of the adjustment points Simulator setting C F Temperature Test point Temperature limits C 0 1 0 C VR1 00 1 and 00 1 F 1 1000 C VR3 1831 and 1833 C de 1000 C VR5 999 and 1001 C 0 1 190 C VR2 189 9 and 190 1 F 0 1 0 C VR4 31 9 and 32 1 C 1 1000 C VR3 999 and 1001 Handheld Instruments Basic Service DTM900 and DTM920 Adjustment Procedures ox E x Figure 2 DTM900 Thermometer disassembly and adjustment locations Handheld Instruments Basic Service DTM900 and DTM920 Adjustment Procedures DTM920 Adjustment Procedure This section describes how to adjust the DTM920 thermometer To properly adjust the thermometer perform the following steps in sequential order Figure 3 shows the location of the test and adjustment points 1 2 3 Open the thermometer See page 15 for instructions Solder a jumper across R25 Turn on the thermometer and allow it to warm up for at least 30 minutes 2000 mV Calibration Use the following procedure to perform a 2000 mV calibration 1 2 3 Press T2 once to access the T2 mode Install a jumper across the test points marked JP1 Connect the DC voltage source to the T1 probe connector The composition of both lead wires should be identical Set the DC voltage source output to 2000 0 mV 30 0146 Adjust VR2 until the display shows 2000 0 The first digit of the temperature appears a
144. or calibration In this section you will find the following information m A list of adjustments m A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your multimeter meets factory specifications perform the procedures in the CMM150 Performance Verification section The test equipment listed in Table 4 on page 5 is a complete list of equipment needed for the adjustment procedures This procedure assumes that the test equipment is operating within tolerance Alternative test equipment must meet or exceed the intended minimum require ments specified in Table 4 If you substitute equipment you may need to modify the procedures In addition to the test equipment some additional test accessories are required to perform the adjustment procedure Table 5 Test accessories Description Example product Couplers DEN ITT Pomona 5635 Patch cords ITT Pomona B8 Handheld Instruments Basic Service 9 CMM 150 Adjustment Procedures Preparation for Adjustment The following guidelines apply to all CMM150 adjustments Adjustment 10 Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Warm up the DMM150 for at least 15 minutes Do not alter any setting without reading the entire adjustment procedure fir
145. osed Circuitry Do not touch exposed connections and components when power is present Do Not Operate in Wet Damp Conditions To avoid electric shock do not operate these products in wet or damp conditions Do Not Operate in Explosive Conditions To avoid injury or fire hazard do not operate these products in an explosive atmosphere Keep Product Surfaces Clean and Dry To avoid electric shock and erroneous readings keep probe surfaces clean and dry Provide Proper Ventilation Refer to the product installation instructions for details on installing the product so it has proper ventilation Terms in this Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Terms on the Products These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Handheld Instruments Basic Service General Safety Summary Symbols on the Product The following symbols may appear on the product A AN m DANGER Protective Ground ATTENTION Double High Voltage Earth Terminal Refer to Manual Insulated
146. osed connections Perform the following steps to verify the AC ampere measurement accuracy 1 Set the DMM150 slide switch to V V Push the Blue function button to select AC volts Press the RANGE button to select the 3 V range Pe Cf Select the appropriate coils as necessary to multiply the AC current calibrator output to each of the values given in the Test Record For more information refer to the user manual of your calibrator 5 Position the clamp around the current loop of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed 6 Verify that the multimeter reads within the specified Display minimum and maximum limits 7 Turn the calibrator output off 8 Remove the clamp from the current loop Handheld Instruments Basic Service CMM150 Performance Verification CMM150 Test Record CMM150 test record Test input Display minimum Display maximum AC ampere test 50 Hz or 60 Hz 100A X98 05A ome EC 100 0 X98 05A 96 104 300 0 A 19 05A 2938 aa Handheld Instruments Basic Service CMM 150 Performance Verification 8 Handheld Instruments Basic Service A CMM150 Adjustment Procedures Test Equipment Test Accessories This section contains procedures to adjust the CMM150 AC Current Probe Perform these procedures once a year or if the CMM150 Performance Verifica tion procedure indicates the need f
147. ounts dBm reference 1 mV into 600 Q dB reference 1 V 4 000 pA 400 mA 10 A 20A maximum for 30 seconds DMM912 DMM914 DMM916 lt 1 kHz 400 Q 4 KQ 40 KQ 400 KO 4 MO 40 MO 4kQ 40 KO 400kO 4MQ 40 MQ DMM912 DMM914 DMM916 0 5 0 4 10 396 LV 96 1 count 23 1 0 8 0 6 4MQ 400 Q range 1 0 8 0 6 40 MQ range 5 5 5 Handheld Instruments Basic Service DMM0912 914 and 916 Specifications Table 3 Measurement characteristics cont Characteristic Description Compliance voltages typical 1 V Q setting 0 4 V LV setting Continuity threshold Beeper sounds when resistance is approximately 75 Q or less Diode test3 Test current typical 0 6 mA Test voltage typical lt 3V Capacitance Ranges 4 nF 40 nF 400 nF 4 pF 40 uF 400 pF 4 mF 40 mF Accuracy 96 10 count 4 nF to 4 uF 1 delta mode 40 uF to 40 mF 3 Frequency4 Ranges 400 Hz 4 kHz 40 kHz 400 kHz 2 MHz Accuracy 10 count 400 Hz to 400 kHz 0 01 2 MHz 0 15 Sensitivity 0 5 Vp p Duty factor Accuracy 0 1 0 05 per kHz for 5 V input Range 15 Hz to 10 kHz 10 to 90 duty factor Temperature Range 50 to 4980 C Accuracy 2 C Thermocouple type K Peak measurements Accuracy DC volts 5 40 counts of the peak value of a single 1 ms pulse 1 Divide counts by 10 in 4000 count mode 2 750 V 40 MQ LV range unspecified 3 4000 count mode only Upper displa
148. ounts 3559 6 uA 3640 4 uA 360 00 mA 0 9 80 counts 355 96 mA Eo 364 04 mA 1 The upper display readout is 60 Hz 2 counts corresponding to the input frequency DC ampere test 10 000 A 0 4 10 counts 9 950A A 10 050 A AC ampere test 60 Hz 10 000 A 0 9 80 counts 9 830A 10 170A 1 The upper display readout is 60 Hz 2 counts corresponding to the input frequency Handheld Instruments Basic Service 27 DMM 12 914 and 916 Performance Verification 28 Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification DMM916 Test Record Procedure performed by Date Serial number DMM916 test record Test input Display minimum Display maximum AC volts test 3 6000 V 0 7 40 counts 3 5708V 3 6292 V 1 5 40 counts _ 3 5420 V 3 6580 V 2 5 40 counts 3 5060 V 3 6940 V 36 000 V 500 Hz X159 40 counts 35 420V 36 580 V 10kHz 2 5 40 counts 35 060V 36 940 V 360 00 V 1 5 40 counts 354 20V 365 80 V 2 5 40 counts 350 60V 369 40 V 750 0 V3 60 Hz 0 7 40 counts 740 7 V 759 34 1 Verify the proper DMM range 5 display digits use the manual range if necessary The 750 V range displays 4 digits Theupper display readout is 2 counts corresponding to the input frequency 3 750V range not specified above 100 Hz DC volts test 0 0000 V 0 06 10 counts 0 0010 V 0 0010 V 3 6000 V 0 06 10 coun
149. ounts 3559 6 uA 3640 4 uA 360 00 mA 0 9 80 counts 355 96 mA Eo 364 04 mA 1 The upper display readout is 60 Hz 2 counts corresponding to the input frequency DC ampere test 10 000 A 40 395 10 counts 9 960A E 10 040 A AC ampere test 60 Hz 10 000 A 0 9 80 counts 9 830A 10 170A 1 The upper display readout is 60 Hz 2 counts corresponding to the input frequency 33 Handheld Instruments Basic Service DMM 12 914 and 916 Performance Verification 34 Handheld Instruments Basic Service A DMM912 914 and 916 Adjustment Procedures This section contains procedures to adjust DMM912 DMM914 and DMM916 multimeters Perform these procedures once a year or if the DMM912 DMM914 and DMM916 Performance Verification procedure indicates the need for calibration In this section you will find the following information m A list of adjustments m A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your multimeter meets factory specifications perform the procedures in the DMM9 2 DMM914 and DMM916 Performance Verification section List of Adjustments Use the adjustments listed in Table 9 to return DMM91X Series multimeters to factory calibration Table 9 DMM91X series adjustmen
150. pee sci wie ta ee ERU RE RU ee AG Bee Rel RAR ee eR s 8 Verification Procedure 0 0 cece tee een eens 8 DCM 330 Test Record 35 neg Ad oe ea OR PR 11 DCM330 Adjustment Procedures eere 13 List of Adjustments o esie e a e E n 13 Test Equipment epes a e REV He rr ER E EE rs 13 Preparation for Adjustment oooooooooooo ee 14 Adjustment Procedure o oooooooorocr eh 14 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service DELL EUNT INE DCM330 Digital Clamp Meter The DCM330 Digital Clamp Meter measures DC current AC current and frequency The meter uses a Hall effect device to measure current without opening the circuit The meter automatically selects the correct measurement range and has a 4000 count resolution The maximum reading is 3999 The DCM330 meter provides true RMS readings for AC current ON OFF Figure 1 DCM330 Digital Clamp Meter Handheld Instruments Basic Service 1 DCM330 Digital Clamp Meter 2 Handheld Instruments Basic Service A n DCM330 Specifications The characteristics listed in this section apply under the following conditions m The instrument operates in a 0 to 50 C 32 to 122 F ambient environ ment unless otherwise noted m The instrument warms up for at least 20 minutes NOTE All specifications are warranted unless marked typical Typical c
151. porch I NE E IE Handheld Instruments Basic Service Turn the calibrator output off Connect the multimeter test leads to the calibrator outputs Connect the calibrator common lead to the multimeter COM input Press the multimeter gold key followed by the A key Connect the remaining calibrator output lead to the multimeter C V O4 input Turn the calibrator output on Set the calibrator to output 300 nF Adjust VR2 until the display shows 299 9 to 300 1 nF Set the calibrator to output 1 000 uF Adjust VR3 until the display shows 0 999 to 1 001 uF Set the calibrator to output 100 0 uF Adjust VR1 until the display shows 99 9 to 100 1 uF Turn the calibrator output off 39 DMMS800 Series Adjustment Procedures 40 Temperature DMM850 and DMM870 DC Milliamperes DC Amperes 10 Disconnect the calibrator from the multimeter Perform the following steps to adjust the temperature calibration 1 2 9e be ey A Set the multimeter dial to C F Connect the thermocouple adapter ATKO1 to the C V O4 and COM input connectors of the multimeter Set the calibrator to output 18 6 C Connect a K type thermocouple from the calibrator output to the ATKO1 thermocouple adapter Allow five minutes of settling time for a stable reading Adjust VR4 until the display shows 18 5 to 18 7 C Turn the calibrator output off Disconnect the calibrator from the multimeter Perform the fo
152. r AC measurements allow the multimeter to settle to its final value before taking the measurement m The multimeter remains fully assembled The DMM150 performance verification consists of the checks listed in Table 4 Table 4 Performance verification checks AC Volts Check DC Volts Check Q Check Continuity Check The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently Handheld Instruments Basic Service 7 DMM150 Performance Verification Test Equipment Set Up The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 5 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Table 5 Test equipment Description Minimum requirements Example product Universal Calibration Resolution accuracy 4 times Wavetek 9100 System greater than the multimeter display reading AC and DC volts measurement AC and DC current measurement Resistance measurement 1 Choose 4 wire measurement setup if available To prepare for the performance verification checks do the following steps 1 Allow the multimeter to stabilize at
153. r slide switch to V Connect the outputs of the calibrator to the V Q and COM input connectors of the multimeter Set the calibrator to output 3 000 VAC Adjust VR2 until the display shows 3 000 VAC Turn the calibrator output off Disconnect the calibrator from the multimeter 15 DMM150 Adjustment Procedures Reassembling the Multimeter 1 Align the tabs of the bottom case half with the slots in the top case half at the end of the meter opposite the input connectors CAUTION Before closing the case check that the battery wires are not pinched 2 Close the case snapping the case halves together 3 Reinstall the screw 16 Handheld Instruments Basic Service Instructions Manual Tektronix Y DMM157 Digital Multimeter Serial Numbers Above TW80000 070 9933 00 AAA D Table of Contents DMM157 Digital Multimeter leere 1 DMMIS7 Specifications ccc ce cece cece eee enn 3 DMM157 Performance Verification eee 7 Test Equipment ne C ae UP ech ROS 8 Set Ups cs ux ed eR se Pe Udo eR ED ANDEREN e EDEN Y 9 Verification Procedure s scs ein a aaia i en 10 DMMIS7 Test Record ii A LE ce db rece e Sos 15 DMM157 Adjustment Procedure oooooooooooooomoo rosso 19 Test Equipment coches be e eR br e er REF ER RES eters 19 Preparation for Adjustment ooooooooccooo ere 20 ARM emet Ere A e re UR Eur ER REGE eters 21 Reassembling th
154. r the adjustment procedures These procedures assume that the test equipment is operating within tolerance Alternative test equipment must meet or exceed the intended minimum require ments specified in Table 5 If you substitute equipment you may need to modify the procedures Handheld Instruments Basic Service DMM249 Adjustment Procedures Preparation for Adjustment The following guidelines apply to all DMM249 adjustments Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Warm up the multimeter for at least 15 minutes Do not alter any setting without reading the entire adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual Open the Meter Case You must open the multimeter case to access the internal adjustments Use the following procedure to open the case 1 Lay the meter face down on a flat work surface that cannot damage the multimeter face Remove the three screws from the case bottom using a standard Philips head screwdriver Gently lift the end of the case bottom at the end opposite from the display Then lift the end nearest the display until it unsnaps from the case top To reassemble the multimeter following the adjustments see page 21 Handheld Instruments Basic Service 19 DMM249 Adjustment Procedures Adjustme
155. riations in test equipment can cause erroneous readings Use a fixed value capacitance standard if instability occurs DC microampere test 0 0 pA 2 counts 0 2 uA 0 2 uA 290 0 pA 0 9 2 counts 287 2 pA 292 8 pA DC milliampere test 2 900 mA 1 2 2 counts 2 863 mA 2 936 mA 29 00 mA 0 9 2 counts 28 72 mA 29 28 mA AC microampere test 50 Hz 0 0 pA 4 counts 0 4 uA 0 4 pA 290 0 pA 1 5 4 counts 285 3 uA 294 7 pA AC milliampere test 50 Hz 2 900 mA 1 5 4 counts 2 853 mA 2 947 mA 29 00 mA 1 5 4 counts 28 53 mA 29 47 mA 290 0 mA 2 0 4 counts 283 8 mA 296 2 mA 16 Handheld Instruments Basic Service DMM 157 Performance Verification DMM157 test record cont Test input Display minimum Display maximum DC ampere test 10 000 A 2 596 5 counts 9 70 A 10 30A AC ampere test 60 Hz 10 000 A 2 9 5 counts 9 66 A Po 10 34A Handheld Instruments Basic Service 17 DMM 157 Performance Verification 18 Handheld Instruments Basic Service AA 7 DMM157 Adjustment Procedure Test Equipment This section contains the procedure to adjust the DMM157 Digital Multimeter Perform this procedure once a year or if the DMM157 Performance Verification procedure indicates the need for calibration In this section you will find the following information m A list of test equipment needed to make the adjustments m Instruc
156. rn DCM300 and DCM320 multime ters to factory calibration Table 7 DCM300 and DCM320 adjustments AC Current AC Voltage Resistance Continuity Test Equipment The test equipment listed in Table 6 on page 8 is a complete list of equipment needed for the adjustment procedures These procedures assume that all test equipment is operating within tolerance Detailed operating instructions for test equipment are not given in this procedure If you need operating information refer to the instruction manual of the test equipment Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 6 If you substitute equipment you may need to modify the procedures Handheld Instruments Basic Service 13 DCM300 and DCM320 Adjustment Procedures Preparation for Adjustment The following guidelines apply to all DCM300 amp DCM320 adjustments Adjustment Procedure 14 Open the Meter Case A AC Current Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Before making any adjustment warm up the multimeter for 20 minutes Do not alter any setting without reading the entire adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual You must open the meter case to gain access to the internal adjustments 1 2
157. rocedures once a year or if the DMM800 Series Performance Verification procedure indicates the need for calibration In this section you will find the following information m A list of adjustments m A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your multimeter meets factory specifications perform the procedures in the DUM800 Series Performance Verification section List of Adjustments Use the adjustments listed in Table 9 to return DMMS800 Series multimeters to factory calibration Table 9 DMM800 series adjustments Adjustments Part 1 DC Volts AC Volts Capacitance Temperature DMM850 and DMM870 DC Milliamperes DC Amperes Adjustments Part 2 AC Response Handheld Instruments Basic Service 35 DMM800 Series Adjustment Procedures Test Equipment The test equipment listed in Table 8 on page 10 is a complete list of equipment needed for the adjustment procedures These procedures assume that the test equipment is operating within tolerance Alternative test equipment must meet or exceed the intended minimum require ments specified in Table 8 If you substitute equipment you may need to modify the procedures Preparation for Adjustment The following guidelines apply to all DMM800 Series adjustments Perform all adjustments in
158. rs 13 Preparation for Adjustment 2 0 0 0 cece ene 14 Adjustment Procedure 0 eh 14 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service AAA DCM910 Digital Clamp Meter The DCM910 Digital Clamp Meter measures DC current AC current and frequency The meter uses a Hall effect device to measure current without opening the circuit The meter automatically selects the correct measurement range and has a 4000 count resolution The maximum reading is 3999 The DCM910 meter provides true RMS readings for AC current ON OFF Figure 1 DCM910 Digital Clamp Meter Handheld Instruments Basic Service 1 DCM910 Digital Clamp Meter 2 Handheld Instruments Basic Service A GU DCM910 Specifications The characteristics listed in this section apply under the following conditions m The instrument operates in a 0 to 50 C 32 to 122 F ambient environ ment unless otherwise noted m The instrument warms up for at least 20 minutes NOTE All specifications are warranted unless marked typical Typical characteristics are not guaranteed but are provided for the convenience of the user Table 1 Electrical characteristics Characteristic Description Overload P rotection Uninsulated Wire Voltage Measuring Rate 2000 A for one minute 600 Va us CAT II 2 times per second nominal AC Current Auto Ra
159. ry if applicable and disconnect test leads before removing protective panels soldering or replacing components To avoid electric shock do not touch exposed connections X Radiation To avoid x radiation exposure do not modify or otherwise alter the high voltage circuitry or the CRT enclosure X ray emissions generated within this product have been sufficiently shielded Handheld Instruments Basic Service vii Service Safety Summary viii Handheld Instruments Basic Service Be UI 44 Preventing Electrostatic Discharge Follow the guidelines listed below to avoid product damage CAUTION Static discharge can damage internal semiconductor components When performing service that requires internal access to an instrument adhere to the following precautions to avoid damaging internal modules or their compo nents Handheld Instruments Basic Service Avoid handling modules or components in areas that have floors or work surfaces capable of generating a static charge Spray carpeted work areas with a solution of equal parts of water and fabric softener Wear clothing made from materials that do not accumulate static charges Avoid Wool and some artificial fibers which build up static charges readily wear cotton which conducts electricity and resists static accumulation Minimize the handling of static sensitive devices Transport and store static sensitive devices in their protected contain
160. ry Life 40 hours alkaline Maximum Conductor Size 51 mm 2 inch diameter or 24 x 60 mm 95 x 2 36 inch bus bar Handheld Instruments Basic Service DCM330 Specifications Table 3 Certifications and compliances Canadian Standards Association certified to Standard CSA 1010 1 Standard UL3111 1 for Electrical and Electronic Measuring and Testing Equipment and EC1010 2 032 particular requirements for hand held current clamps for electrical measurement and test Certifications Overvoltage Category Category Examples of P roducts in this Category CAT Ill Distribution level mains fixed installation CAT II Local level mains appliances portable equipment CAT I Signal levels in special equipment or parts of equipment telecommunications electronics Pollution Degree 2 Do not operate in environments where conductive pollutants may be present Table 4 Environmental characteristics Characteristic Description Temperature Operating 0 to 50 C 32 to 122 F 7596 relative humidity Nonoperating 20 C to 460 C 21 to 140 F 8096 relative humidity Temperature Coefficient 0 2 x specified accuracy per C at 18 C or 228 C Maximum Altitude Operating 2 000 m 6 562 ft Handheld Instruments Basic Service 5 DCM330 Specifications 6 Handheld Instruments Basic Service ptc A 35 DCM330 Performance Verification Test Equipment This section contains procedures to verify that the DCM3
161. s with Hz display e Measurement hold 9 e Peak hold e Minimum maximum and average values e e M M A time stamp e Delta mode e e HI LO limits e Memory store and recall e e Backlight e Automatic fuse verification e EN e Improper input connection warning e META e 2 Handheld Instruments Basic Service av dJ DMM912 914 and 916 Specifications Table 2 General specifications Characteristic LCD display digits Bargraph segments Display count Numeric update rate Bargraph Polarity display Overrange display Low voltage indicator Automatic power off time Power source Maximum input voltage Maximum floating voltage Maximum input current The characteristics listed in this section apply under the following conditions m The instrument operates in an 18 to 28 C ambient environment at less than 7596 relative humidity m The batteries are adequately charged the battery indicator does not display NOTE All specifications are warranted unless marked typical Typical characteristics are not guaranteed but are provided for the convenience of the user Description 43 or 33 40 40 000 or 4 000 1 time sec 40 000 count 4 times sec 4 000 count 20 times sec Automatic OL is displayed Battery indicator User selectable default 15 minutes One 9 V battery ANSI NEDA 1604A IEC 6F22 1000 V 750 V AC CAT II betwe
162. sconnect the calibrator Handheld Instruments Basic Service DCM330 Performance Verification DCM330 Test Record Serial number Procedure performed by Date DCM330 test record Test input Display maximum AC current test 0 0A 00 8 10 0A 11 0 11 0 100 0A 102 7 102 7 300 0A 306 5 306 5 380 0 A 388 0 1 At these frequencies the inductance of the DCM330 may shut down the output of some calibrators If this happens decrease the calibrator output frequency until the output remains on for the duration of the test Handheld Instruments Basic Service 1034 11 DCM330 Performance Verification DCM330 test record cont Test input Display minimum Display maximum DC current test 0 0A 01 0 10 0A 112 100 0 A 105 9 300 0 A 309 7 600 A 622 1000 A 1034 10 0A 8 8 100 0 A 94 1 300 0 A 290 3 600 A 578 1000 A 966 Frequency test 20A 10 08 kHz 12 Handheld Instruments Basic Service A I DCM330 Adjustment Procedures This section contains procedures to adjust the DCM330 Digital Clamp Meter If your instrument fails a performance requirement use these procedures to return it to factory specifications In this section you will find the following information m A list of adjustments m A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment
163. screws Handheld Instruments Basic Service 21 Instructions Manual Tektronix Y DMM254 Digital Multimeter 070 9935 00 AAA D Table of Contents DMM254 Digital Multimeter leere 1 DMM254 Specifications 0 ccc cece cece weer cree eeee 3 DMM254 Performance Verification ooooooomomoo 9 Test Equipment sad Caci ese Red ADR og LAUR as S Pot ae P ech ROS 10 Set U pe sien eit ta BAe Ae eel ak Pe Udo eR SN URN e ERE Y 11 Verification Procedure asst ean aaa a n 12 DMM254 Test Record iii a ege een ege 17 DMM254 Adjustment Procedures eee 21 List of Adjustments soanen een e e e n 21 Test Equipment ree 2 3 eoi eb hr e rey oe ed be e dee rs 21 Preparation for Adjustment ooooooooocor ee 22 Adjustments A rep EH EVA E ER ERREUR ER ERE URS 23 Reassembling the Multimeter ooooooooooorrcrrrr eese 24 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service A D DMM254 Digital Multimeter The DMM254 is a rugged handheld digital multimeter that allows you to make accurate measurements quickly and easily Whether you are a professional or hobbyist this instrument provides a useful range of features A i E abu tearing a ES Min Sl e 2 wot LEE i REA O VO 0 0 COM vos Ne J a Es
164. solution of Reading DTM510 01 C 0 2 1 C 580 30 F or 20 2 42 F 53r LT 8035 44 F 200 to8ggec C 04 2 C F 1000 to 1300 C 1 C 0 6 2 C op o l l 392 to 18319 F rF 0 4 4 F 1832 to 1999 F l F 0 6 4 F Handheld Instruments Basic Service 3 DTM500 Series Specifications Table 1 General characteristics cont Characteristic Accuracy DTM520 K type probe Description Temperature range Resolution 200 to 100 C 0 19 C of reading 0 3 41 C 0 3 2 F 0 1 1 4 F 0 1 0 7 C 0 3 1 C t an 0 3 2 F 0 3 2 2 C Accuracy of reading DTM520 J type probe Table 2 General characteristics Characteristic Temperature Range Probe Tolerance Measurement Rate R eadings second DTM510 DTM520 T2 or T1 DTM520 T1 T2 Input P rotection Electrical Isolation T1 to T2 0 3 1 1 C 0 3 2 2 F 328 to 148 F 0 2 F 99 9 to 999 9 C 0 19 C 147 9 to 999 9 F 0 22 F 1000 to 1370 C 1 C 1000 to 2498 F 2 F T1 T2 reading Temperature range Resolution 200 to 100 C 0 19 C 328 to 148 F 0 22 F 99 9 to 760 C 0 19 C 1000 to 1400 F 2 F Description ATPO1 bead probe 40 to 204 C ATP01 bead probe 2 2 C 2 5 1 0 5 24 V maximum Class Ill as defined in IEC 1010 Safety Requirements
165. splay Then lift the end nearest the display until it unsnaps from the case top To reassemble the multimeter following the adjustments see page 24 Handheld Instruments Basic Service DMM254 Adjustment Procedures Adjustments The procedures within this section use the adjustments accessible with the back case removed from the multimeter Figure 2 Adjustment locations DC Volts Perform the following steps to adjust the DC voltage calibration 1 oS D Set the multimeter dial to V Connect the outputs of the calibrator to the V O 4 and COM input connectors of the multimeter Set the calibrator to output 190 0 mVDC Adjust VR1 until the display shows 190 0 to 190 1 mVDC Turn the calibrator output off Disconnect the calibrator from the multimeter AC Volts Perform the following steps to adjust the AC voltage calibration 1 E o0 Handheld Instruments Basic Service Set the multimeter dial to V Connect the outputs of the calibrator to the V O 4 and COM input connectors of the multimeter Set the calibrator to output 300 0 VAC Adjust VR2 until the display shows 300 0 VAC Turn the calibrator output off Disconnect the calibrator from the multimeter 23 DMM234 Adjustment Procedures Reassembling the Multimeter 1 Ensure that the rotary dial is properly aligned 2 Align the tabs of the bottom case half with the slots in the top case half at the end of the meter near the input co
166. splay maximum Capacitance test 3 600 nF 1 10 counts 3 554 nF 3 646 nF 36 00 nF 1 10 counts 35 54 nF 36 46 nF 360 0 nF 1 10 counts 355 4 nF 364 6 nF 3 600 uF 1 10 counts 3 554 uF 3 646 UF 36 00 uF 3 10 counts 34 82 UF 37 18 uF 360 00 uF3 3 10 counts 348 2 uF 371 8 uF 3 600 mF3 3 10 counts 3 482 mF 3 718 mF 36 00 mF3 3 10 counts 34 82 mF 37 18 mF 1 Variations in test equipment can cause erroneous readings Use a fixed value capacitance standard if instability occurs Setthe DMM to Delta mode Delta mode removes stray capacitance for low capacitance measurements 3 Set the DMM noise suppression to 60 Hz with the SETUP mode See Page 15 for detailed instructions Temperature test 0 0 C 2 0 40 0 C 38 0 100 0 C 102 0 950 0 C 2 C 948 0 952 0 Volts peak hold test 1414 Vp 1 Vnus 60 Hz MIN 5 40 counts 1 524 V 1 303 V 1 414 Vj DC milliampere test 10 counts 1 0 pA 1 0 pA 0 3 10 counts 358 0 uA 362 0 uA 360 0 pA 0 3 10 counts 362 0 uA 358 0 uA 3600 0 uA 0 3 10 counts 3588 2 uA 3611 8 pA 36 00 mA 0 3 10 counts 35 80 mA 36 20 mA 360 00 mA 0 3 10 counts 358 82 mA 361 18 mA 32 Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification DMM916 test record cont Test input Display minimum Display maximum AC milliampere test 60 Hz 3600 0 pA 0 9 80 c
167. splay minimum and mximum limits 8 Handheld Instruments Basic Service DTM900 and DTM920 Performance Verification DTM900 Test Record Serial number Procedure performed by Date DTM900 test record Resolution Display minimum Reading Display maximum 0 1 46 9 28 9 01 0 311 51 1 101 2 47 9 20 0 02 0 192 4 1 0 046 Handheld Instruments Basic Service 9 DTM900 and DTM920 Performance Verification 10 Handheld Instruments Basic Service DTM900 and DTM920 Performance Verification DTM920 Test Record Procedure performed by Date Serial number DTM920 test record K 198 0 C 196 4 99 0 C 98 2 0 0 C 0 7 50 0 C 50 8 500 0 C 501 2 998 0 C 999 7 1360 C 1365 317 144 5 1 4 101 5 2489 Handheld Instruments Basic Service 11 DTM900 and DTM920 Performance Verification DTM920 test record cont Probe Type Display minimum Reading Display maximum J 198 0 C 196 3 99 0 C 98 1 0 0 C 0 8 50 0 C 50 9 100 0 C 100 9 500 0 C 501 3 755 09 C 320 0 F 756 6 316 8 146 0 F 144 3 0 0 F 1390 F 1384 1 6 101 7 502 1 992 6 1396 12 Handheld Instruments Basic Service gt JQ DTM900 and DTM920
168. st Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual Connect the CMM150 to the DMM150 as shown in Figure 2 Figure 2 Adjustment location Set the DMM150 to measure AC volts Select the appropriate coil to multiply the AC current calibrator output to 100 0 Amps at 60 Hz Position the clamp around the current loop of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Adjust VR1 for a reading of 1 000 Turn the calibrator output off Remove the clamp from the current loop Handheld Instruments Basic Service Instructions Manual Tektronix Y DCM300 and DCM320 Digital Clamp Multimeters 070 9847 01 AAA D Table of Contents DCM300 and DCM320 Digital Clamp Multimeters 1 DCM300 and DCM320 Specifications o ooooooooo oo 3 DCM300 and DCM320 Performance Verification 7 Test Equipment e Unete e E V ba VAR DR EC nae C uU e Res ROS 7 Set pee ci eit at e S NUS ER Ue e ANTE RN oe 8 Verification Procedures secas doni a aaa a n 8 DCM300 and DCM320 Test Record 0 0 0 cece eee ee eee 11 DCM300 and DCM320 Adjustment Procedures 13 List of Adjustments eson n e n 13 Test Equipment 1 cea ga RE EE Rn rr Eee ERE RR nw edible rs 13 Preparation for Adjustment oooooooocoooor eh 14 Adju
169. st record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Frequency Check Perform the following steps to verify the frequency measurement accuracy 1 2 Set the multimeter dial to Hz Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Frequency test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Duty Factor Check Perform the following steps to verify the duty factor measurement accuracy DMM850 and DMM870 Handheld Instruments Basic Service Set the multimeter dial to Hz Push the BLUE button to select duty factor DF Connect the calibrator outputs to the multimeter C V Q4 and COM input connectors Set the calibrator to each of the values in the Duty factor test record and verify that the multimeter reads within the specified Display minimum and maximum limits 13 DMMS00 Series Performance Verification 14 Q Check Low Voltage Check Continuity Check 5 6 Turn the calibrator output off Disconnect the calibrator from the multimeter Perform the following steps to verify the resistance measurement accuracy in Q mode 1 2 Set the mult
170. stic Characteristic Description Temperature Operating 0 to 50 C Nonoperating storage 20 to 460 C Humidity Operating lt 80 Altitude Operating 2 222 m 7290 ft Nonoperating 12 300 m 40354 ft Vibration Operating 2 66 gnus 5 to 500 Hz 3 axes 10 minutes each Nonoperating 3 48 gnus 5 to 500 Hz 3 axes 10 minutes each Table 6 Certifications and compliance Characteristic Description Meets the intent of Directive 89 336 EEC for Electromagnetic Compatibility and Low Voltage Directive 73 23 ECC for Product Safety Compliance was demonstrated to the following specifications as listed in the official J ournal of the European Communities EN 55011 Class A Radiated and Conducted E missions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge IEC 801 3 RF Radiated EN 61010 1 Electrical equipment safety requirements for measurement control and laboratory use Certified UL3111 1 and CAN CSA C22 2 No 1010 1 92 EC Declaration of Conformity Certifications 6 Handheld Instruments Basic Service DMMS800 Series Specifications Table 6 Certifications and compliance cont Description CAT III Distribution level mains fixed installation CAT II Local level mains appliances portable equipment CAT I Signal level special equipment or parts of equipment telecommunication electronics Do not operate in environments where conductive pollutants may be present
171. stment Procedure 0 ccc cect eh 14 Handheld Instruments Basic Service i Table of Contents il Handheld Instruments Basic Service A A DCM300 and DCM320 Digital Clamp Multimeters The DCM300 and DCM320 Digital Clamp multimeters measure AC current AC voltage and resistance continuity The meters use a current transformer to measure current without opening the circuit The meters automatically select the correct measurement range and have a 4000 count resolution The maximum reading is 3999 The DCM320 meter provides true RMS readings for both AC volts and AC current Figure 1 DCM300 Digital Clamp Multimeter Handheld Instruments Basic Service 1 DCM300 and DCM320 Digital Clamp Multimeters 2 Handheld Instruments Basic Service A aa St DCM300 and DCM320 Specifications The characteristics listed in this section apply under the following conditions m The instrument operates in a 0 to 45 C ambient environment unless otherwise noted m The instrument warms up for at least 20 minutes NOTE All specifications are warranted unless marked typical Typical characteristics are not guaranteed but are provided for the convenience of the user Table 1 Electrical characteristics Characteristic Description AC Voltage Auto Ranging nominal Input Impedance 10 MO 100 pF Ranges 600 V and 400 V Voltage Rating 600 Vg us CAT II Resoluti
172. stments 1 2 Lay the meter face down on a flat work surface Remove the two screws from the case bottom with a Phillips head screwdriver Gently lift the end of the case bottom until it unsnaps from the case top Remove the three screws that secure the circuit board assembly to the case top Do not remove the screws that secure the circuit boards to each other To access the adjustments lift the circuit board assembly far enough out of the top case to expose the adjustments See Figure 2 and the procedure that follows To reassemble the meter following the adjustments perform steps 2 through 4 above in reverse order To return your instrument to factory calibration implement the following procedures Use a small flat tipped screwdriver to make the adjustments Refer to Figure 2 for adjustment locations WARNING Magnetic fields are produced that may cause a malfunction in heart pacemakers or damage to sensitive equipment Handheld Instruments Basic Service DCM910 Adjustment Procedures VR1 VR2 VR3 VR5 VR6 VR7 VR8 Short for Auto Zero dy dy VR2 E ALILO bs Q ES Peak Hold VR9 Ee 8 veg S VR10 O e gt l S Figure 2 Adjustment locations el 2 Short for
173. t connec tors Set the calibrator to each of the values in the DC ampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter AC Ampere Check Perform the following steps to verify the AC ampere measurement accuracy 1 2 Handheld Instruments Basic Service Set the multimeter dial to A Push the BLUE function button to select the continuity test mode Connect the calibrator outputs to the multimeter A and COM input connec tors Set the calibrator to each of the values in the AC ampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter 15 DMM254 Performance Verification 16 Handheld Instruments Basic Service DMM254 Performance Verification DMM254 Test Record Serial number Procedure performed by Date DMM254 test record AC volts test 2 900 V 0 5 5 counts 2 919 V 1 0 5 counts 2 934 V 29 00 V 0 5 5 counts 29 19 V 1 0 5 counts 29 34 V 290 0 V 0 5 5 counts 291 9 V 1 0 5 counts 2934 V 600 0 V 0 5 5 counts 608 V 1 0 5 counts 611 V DC volts test 290 0 mV 0 3 2 counts 288 9 mV 291 0 mV 2 900 V 0 1 2 counts 2 895 V 2 905 V 29 00 V 0 1 2 counts 28 95 V 29 05 V
174. t electrical characteristics and function under the following conditions m The multimeter operates in an 18 to 28 C 64 to 82 E ambient environment with a relative humidity of less than 7596 m The multimeter stabilizes in the stated ambient temperature for one hour m The multimeter warms up for five minutes W For AC measurements allow the multimeter to settle to its final value before taking the measurement m The multimeter remains fully assembled and in the holster The DMM254 performance verification consists of the checks listed in Table 4 Table 4 Performance verification checks AC Volts Check DC Volts Check Q Check Continuity Check DC Milliampere Check AC Milliampere Check DC Ampere Check AC Ampere Check The performance verification procedure should be performed annually or after every 2000 hours of operation if used infrequently Handheld Instruments Basic Service 9 DMM254 Performance Verification Test Equipment The performance verification procedures use external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 5 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedures warm up the test equipment according to the manufacturer s recommendations Table 5 Test equipment Descripti
175. t the upper right hand corner of the display Disconnect the DC voltage source Remove the R25 jumper Do not remove the JP1 jumper Gain Calibration Use the following procedure to perform a gain calibration 1 2 3 4 18 Press C F until 1L appears in the upper left hand corner of the display Set the DC voltage source output to 50 000 mV 0 01 Reconnect the DC voltage source to the T1 probe connector Adjust VR3 until the display shows 000 0 The first digit of the tempera ture appears at the upper right hand corner of the display Disconnect the DC voltage source Remove the JP1 jumper Handheld Instruments Basic Service DTM900 and DTM920 Adjustment Procedures 0 C Calibration Use the following procedure to perform a 0 calibration 1 Connect the thermocouple simulator to the T1 probe connector Set the thermocouple simulator and thermometer probe types to K Set the thermocouple simulator to 0 C Adjust VR1 until displayed temperature is between 00 1 and 00 1 VUES OOo ARS Disconnect the thermocouple simulator JP1 VR3 e m VR2 Figure 3 DTM920 Thermometer disassembly test points and adjustment locations Handheld Instruments Basic Service 19 DTM900 and DTM920 Adjustment Procedures 20 Handheld Instruments Basic Service
176. tage calibration 1 Set the multimeter dial to V 2 Connect the outputs of the calibrator to the C V OQ4 and COM input connectors of the multimeter Set the calibrator to output 3 0000 VDC Adjust VR5 until the display shows 2 9999 to 3 0001 VDC Turn the calibrator output off SMN DO Disconnect the calibrator from the multimeter Perform the following steps to adjust the AC voltage calibration at 60 Hz 1 Set the multimeter dial to V 2 Connect the outputs of the calibrator to the C V OQ4 and COM input connectors of the multimeter 3 Setthe calibrator to output 2 0000 VAC at 60 Hz 4 Adjust VR6 until the display shows 1 9999 to 2 0001 VAC Handheld Instruments Basic Service DMM800 Series Adjustment Procedures 5 Turn the calibrator output off 6 Disconnect the calibrator from the multimeter Capacitance Perform the following steps to adjust the capacitance calibration 1 Set the multimeter dial to 4C 2 Null the residual DMM and lead capacitance offset a Using Fluke 5500A or Wavetek 9100 minus the 9105 front porch Turn the calibrator output off Connect the test leads to the multimeter C V Q4 and COM inputs Connect the multimeter COM lead to the calibrator common output Press the multimeter gold key followed by the A key Connect the multimeter C V Q46 lead to the remaining calibrator output Turn the calibrator output on b Using Wavetek 9100 with 9105 front
177. tery life Low battery indicator Uses one 9 V battery Figure 1 DMM249 Digital Multimeter Handheld Instruments Basic Service DMM249 Digital Multimeter 2 Handheld Instruments Basic Service A 80 DMM249 Specifications Accuracies are reading number of digits at 23 C 5 C at less than 75 R H relative humidity Table 1 General specifications Characteristics Display Polarity indication Overrange indication Low battery indication Sampling rate Analog bar graph Digital display Power supply Battery life Description 3200 count Liquid Crystal Display LCD 65 segment analog bargraph Automatic positive implied negative indicated OLor OL The low battery indicator is displayed when battery voltage drops below the operating level 12 times second 2 times second One standard 9 V battery IEC 6F22 or ANSI NEDA 1640A 350 hours typical alkaline Auto power off The meter will automatically shut off approximately 10 minutes after the last function or mode change Maximum input voltage 1000 VDC or 750 VACpws CAT Il between V and COM terminals Maximum floating voltage 1000 VDC or 750 VACgys CAT Il between any terminal and earth GND Maximum open circuit voltage current inputs 600 VDC or 600 VACams between current input and COM terminals Overload protection V connector A connector pA mA connector TL60 test lead set Operating temperature Stora
178. tery symbol is displayed when the battery voltage drops below the operating voltage level 2 times second for digital display 12 times second for analog bar graph Operating altitude Operating temperature Storage temperature 2000 m 6561 ft maximum 0 C to 450 C 0 80 R H 20 C to 460 C 0 80 R H with batteries removed from the meter Temperature coefficient Power supply Battery life typical Dimensions HxWxD Maximum floating voltage Maximum input voltage Handheld Instruments Basic Service 0 15 x specified accuracy C at 18 C or gt 28 C Two standard AAA IEC LR03 or ANSI NEDA 24A 1 5 V batteries Alkaline 800 hours 42 mm x 145 mm x 24 mm 1 7 in x 5 7 in x 0 9 in 600 VDC or 600 VACrms CAT II between any terminal and earth GND 600 VDC or 600 VACrus CAT II between V O and COM terminals DMM150 Specifications Table 2 Measurement characteristics Characteristics Description DC Volts Ranges 300 mV 3 V 30 V 300 V 600 V Accuracy 0 7 2 counts Input impedance typical 300 mV Near infinite resistance 3 V 30 V 300 V 600 V 10 MQ Resolution by range 300 mV 100 pV 3V 1mV 30V 10 mV 300 V 100 mV 600 V 1V AC Volts Ranges 3 V 30 V 300 V 600 V Accuracy by range 3V 1 7 reading 5 counts at 40 Hz to 300 Hz 30 V 300 V 600 V 1 7 reading 5 counts at 40 Hz to 500 Hz Input impedance 10 MQ paralleled by
179. the ambient temperature for one hour before testing 2 Turn the multimeter on by pushing the slide switch to any position other than OFF NOTE You need to keep the multimeter powered on throughout the warm up period and throughout the entire verification procedure 3 Warm up the multimeter for five minutes 4 Photocopy the test record on pages 11 and 12 to record your test results Handheld Instruments Basic Service DMM150 Performance Verification Verification Procedure Implement the following checks to verify the performance of your DMM150 multimeter N WARNING To avoid electric shock avoid touching exposed connections AC Volts Check Perform the following steps to verify the AC voltage measurement accuracy 1 2 Set the multimeter slide switch to V V Push the BLUE button to select the AC volts mode Connect the calibrator outputs to the multimeter V Q and COM input connectors Set the calibrator to each of the values in the AC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits Set the calibrator output to OFF Disconnect the calibrator from the multimeter DC Volts Check Perform the following steps to verify the DC volts measurement accuracy 1 2 Handheld Instruments Basic Service Set the multimeter slide switch to V V Connect the calibrator outputs to the multimeter V O and COM input connectors Set the ca
180. the amplitude to 1 V Select the square wave AC mode if using the Fluke 5500A set the amplitude to 1 000 V Select the sine wave AC mode if using the Fluke 5500A set the amplitude to 0 354 V Duty factor test 50 0 5V 1 kHz 0 15 squarewave 90 0 5V 1 kHz 0 15 squarewave 10 0 5V 1kHz 0 15 squarewave 9 9 24 Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification DMM914 test record cont Test input Display minimum Display maximum Q test 0 0000 Q1 0 4 10 counts 0 1000 Q 0 1000 Q 360 00 Q1 0 8 10 counts 357 02 Q 362 98 Q 3 6000 kO 0 4 10 counts 3 5846 kO 3 6154 kO 36 000 kO 0 4 10 counts 35 846 kO 36 154 kO 360 00 kO 30 496 10 counts 358 46 kO 361 54 kO 3 6000 MQ 0 8 10 counts 3 5702 3 6298 MQ 20 00 MO 5 10 counts 18 90 M 21 10 MQ 1 To test these values with the Fluke 5500A apply 0 0 Q and set the DMM to Delta mode 2 4 000 count mode only Low voltage Q test 3 600 kQ2 0 8 1 count 3 570 kQ 3 630 kO 36 00 kO 0 8 1 count 35 70 kQ 36 30 kO 360 0 kO 0 8 1 count 357 0 kQ 363 0 kO 3 600 MQ 0 8 1 count 3 570 MQ D 3 630 MQ 1 4000 count mode only 2 Use DMM manual ranging or set calibrator to 3 0 kQ before selecting 3 6k Q Continuity test 0 00 Beeper sounds 150 Q Beeper does not sound Multimeter leads shorted Beeper sounds Diode test 0 5 V 0 400 V 0 600 V Han
181. the lower range it may be necessary to cycle the calibrator output off and on Turn the calibrator output off Remove the clamp meter from the coil AC 1000 A Range To adjust the AC 1000 A range calibration perform the following steps 1 2 D ce We R Set the clamp meter to the AC position Select the appropriate coil to multiply the AC current calibrator output to 400 A at 400 Hz Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Position the clamp to the center of the coil Adjust VR7 until the display reads 400 Turn the calibrator output off Remove the clamp meter from the coil Peak Hold To adjust the peak hold calibration perform the following steps 1 Handheld Instruments Basic Service 2 3 4 5 6 7 Set the clamp meter to the AC position Short the Peak Hold points indicated in Figure 2 Press PEAK HOLD to activate the function Adjust VR9 until the display reads 00 0 Remove the short Press PEAK HOLD to cancel the function Press PEAK HOLD again to verify that the display reads 00 0 17 DCM330 Adjustment Procedures 10 11 12 13 14 15 16 Table 8 Summary of adjustments Press PEAK HOLD to cancel the function Repeat steps 2 through 8 above until the display reads 00 0 Select the appropriate coil to multiply the AC current calibrator output to 200 A at 400 Hz Position t
182. the procedures to adjust the DMM150 Digital Multimeter Perform these procedures once a year or if the DMM150 Performance Verifica tion procedure indicates the need for calibration In this section you will find the following information m A list of test equipment needed to make the adjustments m Instructions on how to prepare the instrument for adjustment m Step by step adjustment procedures The procedures in this section do not verify performance To confirm that your multimeter meets factory specifications perform the procedures in the DMM150 Performance Verification section Use the adjustments listed in Table 6 to return DMM150 multimeter to factory calibration Table 6 DMM150 adjustments DC Volts AC Volts The test equipment listed in Table 5 on page 8 is a complete list of equipment needed for the adjustment procedure These procedures assume that the test equipment is operating within tolerance Alternative test equipment must meet or exceed the intended minimum require ments specified in Table 5 If you substitute equipment you may need to modify the procedures Handheld Instruments Basic Service 13 DMM150 Adjustment Procedures Preparation for Adjustment The following guidelines apply to all DMM150 adjustments 14 Open the Meter Case Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Warm up the multimeter for at least 15 minutes Do not alter an
183. ther and check for proper operation Diode Check Perform the following steps to verify the diode check accuracy 1 2 Set the multimeter dial to Push the BLUE button to select the diode test mode Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Diode test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Capacitance Check Perform the following steps to verify the capacitance measurement accuracy 1 2 Handheld Instruments Basic Service Set the multimeter dial to 46 Set the noise suppression to 60 Hz a Press the DMM SETUP key repeatedly until the upper display reads 5060 b Set the main display to 60 Hz with the and keys Null the residual DMM and lead capacitance offset a Using Fluke 5500A or Wavetek 9100 minus the 9105 front porch m Turn the calibrator output off m Connect the test leads to the multimeter C V Q4 and COM inputs m Connect the multimeter COM lead to the calibrator common output W Press the multimeter gold key followed by the A key m Connect the multimeter C V Q4C lead to the remaining calibrator output m Turn the calibrator output on 15 DMMS00 Series Performance Verification 16 Temperature Check DMM850 and DMM870 Volts Peak Hold
184. tion procedure uses external traceable test equipment to directly check warranted characteristics Alternative test equipment must meet or exceed the intended minimum requirements specified in Table 4 If you substitute equipment you may need to modify the procedures NOTE Before beginning the performance verification procedure warm up the test equipment according to the manufacturer s recommendations Table 4 Test equipment Minimum requirements Resolution amp accuracy 4 times greater than the multimeter display reading Description Example product Wavetek 9100 with option 200 current coil set Universal Calibration System Handheld Instruments Basic Service 5 CMM 150 Performance Verification Set Up Verification Procedure A AC Ampere Check To prepare for the performance verification checks do the following steps 1 Attach the CMM150 to the DMM150 and allow them to stabilize at the ambient temperature for one hour before testing 2 Turn the DMMI50 on by pushing the slide switch to V V NOTE You need to keep the DMM150 powered on throughout the warm up period and throughout the entire verification procedure 3 Warm up the DMM150 for five minutes 4 Photocopy the test record on page 7 to record your test results Implement the following checks to verify the performance of your CMM150 AC Current Probe WARNING To avoid electric shock avoid touching exp
185. tions on how to prepare the instrument for adjustment m Adjustment procedure The procedure in this section does not verify performance To confirm that your multimeter meets factory specifications perform the procedures in the DMM157 Performance Verification section The test equipment listed in Table 5 on page 8 is a complete list of equipment needed for the adjustment procedure This procedure assume that the test equipment is operating within tolerance Alternative test equipment must meet or exceed the intended minimum require ments specified in Table 5 If you substitute equipment you may need to modify the procedures Handheld Instruments Basic Service 19 DMM157 Adjustment Procedures Preparation for Adjustment The following guidelines apply to all DMM157 adjustments 20 Open the Meter Case Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Warm up the multimeter for at least 15 minutes Do not alter any setting without reading the entire adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual You must open the multimeter case to access the internal adjustment Use the following procedure to open the case 1 Lay the meter face down on a flat work surface that cannot damage the multimeter face Remove the screw from the case botto
186. to 200 A Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Position the clamp to the center of the coil Adjust VR5 until the display reads 201 5 Turn the calibrator output off Remove the clamp meter from the coil DC 1000 A Range To adjust the DC 1000 A range calibration perform the following steps 1 2 geo id OEA 16 Set the clamp meter to the DC position Select the appropriate coil to multiply the DC current calibrator output to 400 A Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Press the clamp meter DCA AUTO ZERO button to zero the display Position the clamp to the center of the coil Adjust VR6 until the display reads 400 Turn the calibrator output off Remove the clamp meter from the coil Handheld Instruments Basic Service DCM330 Adjustment Procedures AC 400A Range To adjust the AC 400 A range calibration perform the following steps 1 2 Set the clamp meter to the AC position Select the appropriate coil to multiply the AC current calibrator output to 390 A at 400 Hz Position the clamp around the coil of the current calibrator and release the clamp trigger Ensure that the clamp is entirely closed Position the clamp to the center of the coil Adjust VR8 until the display reads 396 0 To keep the meter on
187. ts Adjustments Part 1 DC Volts AC Volts Capacitance Temperature DMM914 and DMM916 DC Milliamperes DC Amperes Adjustments Part 2 AC Response Handheld Instruments Basic Service 35 DMM 912 914 and 916 Adjustment Procedures Test Equipment The test equipment listed in Table 8 on page 10 is a complete list of equipment needed for the adjustment procedures These procedures assume that the test equipment is operating within tolerance Alternative test equipment must meet or exceed the intended minimum require ments specified in Table 8 If you substitute equipment you may need to modify the procedures Preparation for Adjustment The following guidelines apply to all DMM91X Series adjustments Perform all adjustments in a 21 to 25 C ambient environment with a relative humidity of 75 or less Warm up the multimeter for at least 15 minutes Do not alter any setting without reading the entire adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual Open the Meter Case You must open the multimeter case to access the internal adjustments Use the following procedure to open the case 1 Lay the meter face down on a flat work surface that cannot damage the multimeter face Remove the three screws from the case bottom using a standard Philips head screwdriver Gently lift the e
188. ts 3 5969 V 3 6031 V 3 6000 V 0 06 10 counts 3 6031V 3 5969 V 36 000 V 0 06 10 counts 35 969 V 36 031 V 360 00 V 0 06 10 counts 359 69 V 360 31 V 1000 0 V 0 06 10 counts 998 4 V 1001 6 V 1000 0 V 0 06 10 counts 1001 6V 998 4 V Handheld Instruments Basic Service 29 DMM 12 914 and 916 Performance Verification DMM916 test record cont Test input Display minimum Display maximum DC millivolts test 0 00 mV 0 06 10 counts 0 10 mV 0 10 mV 40 00 mV 0 06 10 counts 39 88 mV 40 12 mV 360 00 mV 0 06 10 counts 359 69 mV 360 31 mV 360 00 mV 0 06 10 counts 360 31 mV 359 69 mV AC DC volts test 1 000 V 1 9 14 counts 1 033 V 1 000 V DC 1 9 14 counts 0 967 V 1 033V 1 000 V 60 Hz 11 995 14 counts 0 967 V 1 033V 1 4000 count mode only Frequency test 20 00 Hz 1 Vp p 0 01 10 counts 19 90 Hz 20 10 Hz 100 00 Hz 0 01 10 counts 99 89 Hz 100 11 Hz 1 0000 kHz 0 01 10 counts 9989 kHz 1 0011 kHz 10 000 kHz 1Vp p 0 01 10 counts 9 989 kHz 10 011 kHz 100 00kHz1 1Vp p 0 01 10 counts 99 89 kHz 100 11 kHz 1 0000 MHz12 1V 0 15 10 counts 0 9975 MHz 1 0025 MHz 1 Select Frequency mode if using the Wavetek 9100 set the amplitude to 1 V Select the square wave AC mode if using the Fluke 5500A set the amplitude to 1 000 V Select the sine wave AC mode if using the Fluke 5500A set the amplit
189. ty Certifications Overvoltage Category Pollution Degree 2 Meets intent of Directive 89 336 EE C for Electromagnetic Compatibility and Low Voltage Directive 73 23 EEC for Product Safety Compliance was demonstrated to the following specifications as listed in the Official J ournal of the European Communities EMC Directive 89 336 EEC EN 55011 Class B Radiated and Conducted Emissions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge Immunity IEC 801 3 RF Electromagnetic Field Immunity Low Voltage Directive 73 23 EEC as amended by 93 68 EEC EN 61010 1 A2 Safety requirements for electrical equipment for measurement control and laboratory use Listed UL3111 1 and CAN CSA C22 2 No 1010 1 Category Examples of Products in this Category CAT Ill Distribution level mains fixed installation CAT II Local level mains appliances portable equipment CAT Signal levels in special equipment or parts of equipment telecommunications electronics Do not operate in environments where conductive pollutants may be present Handheld Instruments Basic Service DMM254 Specifications 8 Handheld Instruments Basic Service zs Sacram DMM254 Performance Verification This section contains procedures to verify that the DMM254 Digital Multimeter performs as warranted If an instrument fails any of these checks it needs adjustment and or repair The performance verification procedures provide a valid confirmation of instrumen
190. ude to 0 354 V Duty factor test 50 0 5V 1 kHz 0 15 squarewave 90 0 5V 1 kHz 0 15 squarewave 10 0 5V 1kHz 0 15 squarewave 9 9 30 Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification DMM916 test record cont Test input Display minimum Display maximum Q test 0 0000 Q1 0 3 10 counts 0 1000 Q 0 1000 Q 360 00 Q1 0 6 10 counts 357 74 Q 362 26 Q 3 6000 KQ 0 3 10 counts 3 5882 kO 3 6118 KQ 36 000 KQ 0 3 10 counts 35 882 kO 36 118 KQ 360 00 KQ 0 3 10 counts 358 82 kO 361 18 KQ 3 6000 MQ 0 6 10 counts 3 5774 3 6226 MQ 20 00 MQ 5 10 counts 18 90 M 21 10 MQ 1 To test these values with the Fluke 5500A apply 0 0 Q and set the DMM to Delta mode 2 Verify the DMM is in the 4 000 count mode for this test Low voltage Q test 3 600 kQ 0 6 1 count 3 577 KQ 3 623 KQ 36 00 KQ 0 6 1 count 35 77 KQ 36 23 KQ 360 0 kQ 0 6 1 count 357 7 KQ 362 3 KQ 3 600 MQ 0 6 1 count 3577 MQ hd 3 623 MQ 1 4000 count mode only 2 Use DMM manual ranging or set calibrator to 3 0 kQ before selecting 3 6kQ Continuity test 0 00 Beeper sounds 150 Q Beeper does not sound Multimeter leads shorted Beeper sounds Diode test 0 5 V 0 400 V 0 600 V Handheld Instruments Basic Service 31 DMM 12 914 and 916 Performance Verification DMM916 test record cont Test input Display minimum Di
191. umber of digits at 23 C 5 C at less than 80 R H relative humidity Table 1 General specifications Characteristics Operating temperature Storage temperature Description 0 C to 45 C lt 75 R H 20 C to 460 C lt 75 R H Temperature coefficient Dimensions W x L x D with holster Weight 0 15 x specified accuracy C 18 C or 228 C 72mm x 102 mm x 36 mm 2 83 in x 4 02 in x 1 42 in 130 1 g 0 29 lbs Maximum altitude 2000 m Maximum jaw opening 30 mm 1 18 in Maximum conductor size 29 mm dia 1 14 in Table 2 Measurement characteristics Characteristics Description Current range 0 1A to 300 A ACrms Output voltage 10 mV A Accuracy 1 9 40 5 A 50 60 Hz Maximum bare wire voltage Sensor type Maximum output impedance 3 9 1A 40 400 Hz 600 VACrms CAT II Induction coil 1200 Table 3 Certifications and compliances EC Declaration of Conformity Certifications Meets intent of Low Voltage Directive 73 23 EEC for Product Safety Compliance was demonstrated to the following specifications as listed in the Official J ournal of the European Communities Low Voltage Directive 73 23 EEC EN 61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Certified by CSA to CAN CSA C22 22 No 231 and UL1244 Handheld Instruments Basic Service CMM 150 Specifications Table 3 Certificat
192. urn the calibrator output off 5 Disconnect the calibrator from the multimeter DC Milliampere Check Perform the following steps to verify the DC milliampere measurement accuracy 1 Setthe multimeter dial to to the mA ranges indicated in the test record 2 Connect the calibrator outputs to the multimeter mA and COM input connectors 3 Setthe calibrator to each of the values in the DC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 4 Turn the calibrator output off 5 Disconnect the calibrator from the multimeter AC Milliampere Check Perform the following steps to verify the AC milliampere measurement accuracy 1 Setthe multimeter dial to to the mA ranges indicated in the test record 2 Push the BLUE function button to select the continuity test mode 3 Connect the calibrator outputs to the multimeter mA and COM input connectors 4 Setthe calibrator to each of the values in the AC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits 5 Turn the calibrator output off 6 Disconnect the calibrator from the multimeter 14 Handheld Instruments Basic Service DMM254 Performance Verification DC Ampere Check Perform the following steps to verify the DC ampere measurement accuracy 1 2 Set the multimeter dial to Ax Connect the calibrator outputs to the multimeter A and COM inpu
193. within the specified Display minimum and maximum limits Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification 4 5 Turn the calibrator output off Disconnect the calibrator from the multimeter AC DC Volts Check Perform the following steps to verify the AC DC voltage measurement accuracy 1 2 Set the multimeter dial to AC DC Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the AC DC volts test record and verify that the multimeter reads within the specified Display minimum and maximum limits Set the calibrator output to OFF Disconnect the calibrator from the multimeter Frequency Check Perform the following steps to verify the frequency measurement accuracy 1 2 Set the multimeter dial to Hz Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Set the calibrator to each of the values in the Frequency test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter Duty Factor Check Perform the following steps to verify the duty factor measurement accuracy DMM914 and DMM916 Handheld Instruments Basic Service Set the multimeter dial to Hz Push the BLUE button to select duty factor Connect the calibrator outputs to the mult
194. ximum limits Set the calibrator output to OFF Disconnect the calibrator from the multimeter Continuity Check Perform the following steps to verify the continuity check accuracy 1 2 Set the multimeter dial to gt Connect the calibrator outputs to the multimeter V Q and COM input connectors Set the calibrator to each of the values in the Continuity test record and verify proper operation Set the calibrator output to OFF Disconnect the calibrator from the multimeter Insert the multimeter test leads into the V Q and COM input connectors of the multimeter Short the test leads together and check for proper operation Capacitance Check Perform the following steps to verify the capacitance measurement accuracy 1 Handheld Instruments Basic Service Set the multimeter dial to to the capacitance ranges indicated in the test record Set the calibrator to each of the values in the Capacitance test record for each multimeter range and verify that the multimeter reads within the specified Display minimum and maximum limits Set the calibrator output to OFF Disconnect the calibrator from the multimeter 11 DMM157 Performance Verification DC Microampere Check Perform the following steps to verify the DC microampere measurement accuracy 1 Set the multimeter dial to UA 2 Connect the calibrator outputs to the multimeter UA mA 4 and COM input connectors 3 Set the calibrator t
195. y Examples of Products in this Category CAT Ill Distribution level mains fixed installation CAT Il Local level mains appliances portable equipment CAT I Signal levels in special equipment or parts of equipment telecommunications electronics Pollution Degree 2 Do not operate in environments where conductive pollutants may be present Handheld Instruments Basic Service 7 Ep Vi D Q7 DMM249 Performance Verification This section contains procedures to verify that the DMM249 Digital Multimeter performs as warranted If an instrument fails any of these checks it needs adjustment and or repair The performance verification procedures provide a valid confirmation of instrument electrical characteristics and function under the following conditions m The multimeter operates in an 18 to 28 C 64 to 82 E ambient environment with a relative humidity of less than 75 m The multimeter stabilizes in the stated ambient temperature for one hour m The multimeter warms up for five minutes W For AC measurements allow the multimeter to settle to its final value before taking the measurement m The multimeter remains fully assembled and in the holster The DMM249 performance verification consists of the checks listed in Table 4 Table 4 Performance verification checks AC Volts Check DC Volts Check Q Check Continuity Check DC Milliampere Check AC Milliampere Check DC Ampere Check AC Ampere Check
196. y readout is 2 counts corresponding to the input frequency 3 750V range not specified above 100 Hz DC volts test 0 0000 V 0 1 10 counts 0 0010 V 0 0010 V 3 6000 V 0 1 10 counts 3 5954 V 3 6046 V 3 6000 V 10 196 10 counts 3 6046 V 3 5954 V 36 000 V 0 1 10 counts 35 954 V 36 046 V 360 00 V 0 1 10 counts 359 54 V 360 46 V 1000 0 V 0 1 10 counts 998 0 V 1002 0 V 1000 0 V 0 1 10 counts 1002 0V 998 0V Handheld Instruments Basic Service 23 DMM 12 914 and 916 Performance Verification DMM914 test record cont Test input Display minimum Display maximum DC millivolts test 0 00 mV 0 1 10 counts 0 10 mV 0 10 mV 40 00 mV 0 1 10 counts 39 86 mV 40 14 mV 360 00 mV 0 1 10 counts 359 54 mV 360 46 mV 360 00 mV 0 1 10 counts 360 46 mV 359 54 mV AC DC volts test 1 000 V 2 0 14 counts 1 034 V 1 000 V DC 2 0 14 counts 0 966 V 1 034V 1 000 V 60 Hz 2 0 14 counts 0 966 V 1 034V 1 4000 count mode only Frequency test 20 00 Hz 1 Vp p 0 01 10 counts 19 90 Hz 20 10 Hz 100 00 Hz 0 01 10 counts 99 89 Hz 100 11 Hz 1 0000 kHz 0 01 10 counts 9989 kHz 1 0011 kHz 10 000 kHz 1Vp p 0 01 10 counts 9 989 kHz 10 011 kHz 100 00kHz1 1Vp p 0 01 10 counts 99 89 kHz 100 11 kHz 1 0000 MHz12 1V 0 15 10 counts 0 9975 MHz 1 0025 MHz 1 Select Frequency mode if using the Wavetek 9100 set
197. y readout is limited to 10 kHz with reduced accuracy 5 gt 10 range 4 V range gt 1 V 6 35 range Handheld Instruments Basic Service 5 DMM 912 914 and 916 Specifications Table 4 Physical characteristics Characteristic Description Dimensions Without holster 32 mm x 86 mm x 185 mm H x W x D Weight With battery 370 g 13 oz With battery and holster 600 g 21 2 02 Table 5 Environmental characteristic Characteristic Description Temperature Operating 0 to 50 C Nonoperating storage 20 to 460 C Humidity Operating lt 80 Altitude Operating 2 000 m 6 562 ft Nonoperating 12 300 m 40354 ft Vibration Operating 2 66 gnus 5 to 500 Hz 3 axes 10 minutes each Nonoperating 3 48 gnus 5 to 500 Hz 3 axes 10 minutes each Table 6 Certifications and compliances Characteristic Description Meets the intent of Directive 89 336 EEC for Electromagnetic Compatibility and Low Voltage Directive 73 23 ECC for Product Safety Compliance was demonstrated to the following specifications as listed in the official J ournal of the European Communities EN 55011 Class A Radiated and Conducted E missions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge IEC 801 3 RF Radiated EN 61010 1 Electrical equipment safety requirements for measurement control and laboratory use Certified UL3111 1 and CAN CSA C22 2 No 1010 1 92 EC Declaration of Conformity Cert
198. y setting without reading the entire adjustment procedure first Do not alter a setting unless a performance characteristic cannot be met at the current setting Read the Safety Summary at the beginning of this manual You must open the multimeter case to access the internal adjustments Use the following procedure to open the case 1 3 Lay the meter face down on a flat work surface that cannot damage the multimeter face Remove the screw from the case back using a standard Philips head screwdriver Gently lift the case back at the end nearest the input terminals To reassemble the multimeter following the adjustments see page 16 Handheld Instruments Basic Service DMM 1250 Adjustment Procedures Adjustment The procedures within this section use the adjustments accessible with the back case removed from the multimeter VR2 Figure 2 Adjustment location DC Volts Perform the following steps to adjust the DC voltage calibration 1 SMN Y amp Set the multimeter slide switch to V Connect the outputs of the calibrator to the V O and COM input connectors of the multimeter Set the calibrator to output 290 0 mVDC Adjust VR1 until the display shows 290 0 to 290 1 mVDC Turn the calibrator output off Disconnect the calibrator from the multimeter AC Volts Perform the following steps to adjust the AC voltage calibration 1 SS i E Handheld Instruments Basic Service Set the multimete
199. y that the multimeter reads within the specified Display minimum and maximum limits 5 Turn the calibrator output off 6 Disconnect the calibrator from the multimeter 18 Handheld Instruments Basic Service DMM0912 914 and 916 Performance Verification DMM912 Test Record Serial number Procedure performed by Date DMM912 test record Test input Display minimum Display maximum AC volts test 3 6000 V 60 Hz 1 0 40 counts 3 5600 V 3 6400 V 1 kHz 2 5 40 counts 3 5060 V 3 6940 V 36 000 V 1 0 40 counts 35 600 V 36 400 V 2 5 40 counts 35 060 V 36 940 V 360 00 V 60 Hz 1 0 40 counts 356 00 V 364 00 V 1 kHz 2 5 40 counts 350 60 V 369 40 V 750 0 V3 60 Hz 1 0 40 counts 738 5 V 761 5 V 1 Verify proper DMM range 5 display digits use manual range if necessary The 750 V range displays 4 digits 2 The upper display readout is 2 counts corresponding to the input frequency 3 750V range not specified above 100 Hz DC volts test 0 0000 V 0 2 10 counts 0 0010 V 0 0010 V 3 6000 V 0 2 10 counts 3 5918 V 3 6082 V 3 6000 V 0 2 10 counts 3 6082 V 3 5918 V 36 000 V 0 2 10 counts 35 918 V 36 082 V 360 00 V 0 2 10 counts 359 18 V 360 82 V 1000 0 V 0 2 10 counts 997 0 V 1003 0 V 1000 0 V 0 2 10 counts 1003 0 V 997 0 V DC millivolts test 0 00 mV 0 2 10 counts 0 10 mV 0 10 mV 40 00 mV 0 2 10 counts 39 82 mV 40 18 mV 360 0
200. ype of the calibrator to the ATKO1 thermocouple adapter 4 Allow five minutes for the connector temperature to stabilize 5 Set the calibrator to each of the values in the Temperature test record and verify that the multimeter reads within the specified Display minimum and maximum limits 6 Turn the calibrator output off 7 Disconnect the calibrator from the multimeter Perform the following steps to verify the DC volts peak measurement accuracy Set the multimeter dial to V 2 Push the GOLD button and then the M M A button to select PEAK H 3 Connect the calibrator outputs to the multimeter C V Q46 and COM input connectors Handheld Instruments Basic Service DMM 912 914 and 916 Performance Verification Set the calibrator to each of the values in the Volts peak hold test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the calibrator from the multimeter DC Milliampere Check Perform the following steps to verify the DC milliampere measurement accuracy 1 2 Set the multimeter dial to JA or mA zx as needed Connect the calibrator outputs to the multimeter uA mA and COM input connectors Set the calibrator to each of the values in the DC milliampere test record and verify that the multimeter reads within the specified Display minimum and maximum limits Turn the calibrator output off Disconnect the ca

Handheld Instruments Basic Service 061-4123-00

Contents

Download Pdf Manuals

Related Search

Related Contents