Manual - Test Equipment Depot
Contents
1. a on 5 1 800 517 8431 Toll Free 1 800 517 8431 En C 80000 COUNT DIGITAL MULTIMETER DM 1150B OPERATION MANUAL V2 0 Z fa z a Cp Z O a O Z fa on Ce Unisource Corporation Unisource21 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com 7 2 Troubleshooting If the meter does not work properly take actions as described in this manual to check out if the meter is defective or not Once defective or malfunctioning is confirmed please contact your local distributor or the manufacturer for repairing 20 DM 1150B V2 0 1 GENERAL This meter is an intelligent and multi functional device for various measurement It features high quality high accuracy high reliability special high frequency measurement and low cost The meter is in compliance with IEC 6010 CAT II 1000V and CAT III 600V high voltage standards Other features of this instrument are listed below Miulti display primary 80000 counts secondary 80000 counts bar graph 23 segments 50 measuring functions with basic DCV ACV DCA ACA Q CAP Hz TEMP diode and Continuity measuring function etc 18 types of frequency frequency up to 830MHz 1800 waveform outputs 0 1 99 duty cycle Simultaneous measure AC DC AC Hz DC dBm dBm Hz Hz Duty C F Auto data update and refresh auto data hold auto peak hold 36 hour dynamic record MAG MIN AVG MAX M2. PO Battery indicates the power supply status of the multimeter If power supply is in good status it will display Battery High Otherwise it will display Battery Low RELAY In the right corner of the bottom displays the system time 9 19 DC AC DC AC DC AC DC AC voltage or current PH PH Peak Hold Peak Hold Should you have any questions regarding this software or any suggestions to us please write down and inform us e Rs Communication on annunciaion 6 SPECIFICATIONS 6 1 Electrical Specifications ns N NO 09 NO The accuracy is specified for one year after calibration at operating temperature of 18 C to 28 C with humidity at 0 75 Accuracy specifications take the form of a of reading number of least significant digits MAX MIN MAX MIN MAX Rereading MIN Reading MAX MIN Reading mV V mA A Voltage and current units on secondary display Hz kHz MHz Q kQ MQ Frequency and resistance units on secondary display 1 T ILms Tims Duty cycle unit and plus width unit n EE 3 rdg 10 dBm annunciation 800mV 104V Hz kHz MHz Q kQ MQ Frequency and resistance units on primary display dBm 0 05 rdg 5 Input impedance 27 18 Temperature units and measurement indicator BV 1000V 10M 28 Round per minute 800V 0 08 rdg 10 1000V 16 _5 No l 5 7 10 11 12 13 14 15 16 20 21 22 24 25 26 6 AC110V 220V selector switch 7 Fuse 8 Power plug 9 RS232 interface 3
3. SPECIAL FUNCTIONS 3 1 Auto Power Off The meter has two power off function In normal conditions when the meter is power on if there is no operation on any of the buttons or function keys within 30 mints the meter will be automatically powered off Five mints before auto power off the audible five beepers give indication that the meter is gong to be power off 3 2 Setting Upper and Lower Limits for Measurement The upper and lower measurement limits can be set up in the following steps 1 Set the upper limit power on the meter select range press SET button press SELECT button to start the upper setting mode SEEH P appears on secondary display press A V lt P buttons to adjust the value press SET button to validate the new input 2 Set the lower limit power on the meter select range press SET button gt press SELECT button to start the lower setting mode 3 CELE appears on secondary display press A V lt P buttons to adjust the value press SET button to validate the new input 3 After setting up the upper and lower limits measurement can be carried out and the LCD will have 3 kinds of displays to the results a If the measuring value exceeds the upper limit the LCD displays the measuring value on the primary T display and HJ on the secondary display b Ifthe measuring value exceeds the lower limit the LCD display the measuring value on the primary J display
4. The primary display will be null and the secondary display displays the resistance of test lead Measure the to be tested resistance and the result will be displayed on the primary display u H oiT Goscedevsedeucedaqgel MQ The measurement of resistance has three modes normal continuity and Hi resistance Press SELECT button to choose l from these modes L_ 4 Normal mode Set the function key to Q position According to practical demands press RELA MAX MIN and 2nd VIEW buttons to have relative measuring or 10 record The meter is in auto range mode and will automatically select a most suitable range To select a range manually for the measurement press RANGE button to select a proper range There are six ranges to choose from 800 00Q 8 0000kQ 80 000kQ 800 00kQ 8 0000MQ 80 000MQ Connect the black test lead to COM terminal and the read test lead to VQ Hz terminal Touch the probes to the test points and read the display Primary display Secondary display Q kQ MQ MAX MIN RELA parameters Continuity mode Press SELECT button to select range Ifthe testing points resistance falls below 50Q The beeper will sound Hi resistance This function is used to measure the resistance above 80MQ Press SELECT button to select HiQ range The primary display will display Hi A single range is 8000
5. COM2 5 3 Connect Click Connect to activate the communication between the multimeter and PC To disconnect the communication click Disconnect 5 4 Recording Size User can store up to 8192 files to the multimeter memory maximum 5 5 Sampling Interval The sampling interval can be set at any value between 0 1 99 seconds 5 6 Alarm Setup This function sets the upper and lower limits for alarm If the testing results exceed the preset upper or lower limits the PC will send out alarm with sound 14 3 6 Measurement Range A measurement range determines the measuring limits The meter has several measurement ranges 1 Select a proper measurement range Ifthe selected measurement range is too small the testing signal exceeds the measurement range the meter will display OL on the LCD Ifthe selected measurement range is to large the testing results may have a relatively low resolution 2 Auto range and Manual range The meter has both auto range and manual range for the measurements Inthe AUTO measuring mode the meter will automatically select a most suitable range for the testing signal In AUTO mode the meter will display AUTO on the LCD In the MANUAL measuring mode the measuring range is selected manually by pressing RANGE button If there is more than one range in a measuring function the meter will default in AUTO range This allows users to override the auto range and lock the meter i
6. and HJ on the secondary display c Ifthe measuring value is between and upper and lower limit the LCD displays the measuring value on p gt the primary display and 4J L on the secondary display 3 3 Set up the Time for Measurement 1 Press TIMER button to set enter the setup of time The secondary display displays 0 00 00 2 Press SELECT button and the last digit of 0 00 00 on the secondary display glitters which means this digit can be adjusted Use the A V lt DP buttons to adjust the digit value The first digit from the left is hour the second and third are minute the fourth and fifth are second 3 Press TIMER button to validate the new setup By now the measuring time is set 3 4 Analog Bar Graph The function of analog bar graph is imitating the analog needle of the meter but without the overshoot The bar graph refreshes data 40 times per second Because the graph responds 10 times faster than the digital display it is widely used in the application of peak value test and zero calibration It is also commonly used in observing the rapid variation of input signals The bar graph has 23 segments The number of lit segments is relative to the full scale value of the selected range One unit of the bar graph represents 4000 counts bar except when in the relative mode The polarity is indicated at the left of the bar graph 3 5 Square Wave Output The square wave output is a very useful function With adjust
7. following table gives description of the symbols displayed on the LCD Fig 2 3 LCD display 1 6 22 17 l D CE Hsp aleh m A E A M T 1 UmS Ams f Before applying this function user must choose a desired measuring range The X axis indicates system time 10 11 12 5232 MAX MIN L 1 o it Ly D H A H AVG w w ew ew we O while the Y axis indicates the range of testing data 4 8 REL A NIL 19 20 o JULOUT AC DCumVA TET gt lt lt FMKHz02 5 14 Recorder Control Panel 13 14 i i i j j RPM CdB EELE F Flow TimeScale min TS ave ie C DC P ams a oa a ae a a 23 24 Start 9 6 a BO a0 0 a eN Max pO Time po 2 i H e Fi 26 Fei 6 Eyl PPTLEL ELLER Battery Right Recorder STOP Record Size 8192 Record 0 se Min i Time po 16 09 52 In this panel function user can set up the recording time max and min values The Start Stop and Reset buttons are used to control the data recorder Click Start button to start the data recording and Stop button to stop the data recording In the meanwhile the data has been stored in the History txt file 2 3 17 Mew O Click the Reset button to clear the current data in History txt file and get ready for the next data recording 4 Recorder Record time and Record in the bottom part of the panel indicate the current status of the data recorder Hi frequency or thermocouple indicator Diode Audible continuity function H VG
8. measurement to avoid damage to the meter Disconnect the test leads from the test points before changing to another function The specifications are subject to change without notice The content of this manual is regarded as correct If any error or omits is found please contact with the manufacturer We hereby will not be responsible for the accident and damage caused by improper operation The function stated for this User Manual cannot be the reason of special usage 2 PANEL INSTRUCTIONS Fig 2 1 Front panel DUAL DISPLAY MULTIMETER JifLout londa0angn8 yO j PSD CAT Il 1000V Sen ed a 2 3 Fig 2 2 Rear Panel JUUUUUUUUL CSU UU UU F WARNING A H GROUNDING CONDUCTOR IN POWER CORD MUST BE CONNECTED TO ENSURE tiene PROTECTION FROM ELECTRICAL SHOCK AC 220V AC 110V CAUTION A FOR FIRE PROTECTION REPLACE ONLY a 200nA SLOW FUSE 100 120V 100nA SLOW FUSE 220 240VE o CE H 20VA 50 6DHz es GS a TT o noone OS singel Ha 6 fT 8 9 7 MAINTENACE The meter is a precise and intelligent instrument It has been accurately calibrated in the factory before shipment Readjustment is recommended only if repairs have been made in a circuit affecting adjustment accuracy or if you have a reason to believe the unit is out of adjustment The following instructions are fo
9. ranges to choose from 1 0000nF 10 000nF 100 00nF 1 OO000WF 10 000UWF 100 00UF 7 I Connect the black test lead to COM terminal and the red test lead to VQ Hz terminal Touch the probes to the test points and read the display 11 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com
10. 0MQ If the testing points resistance falls below 1OMQ and above 8000 0MQ OL will appears on the display 4 7 Capacitance Measurement CAP LN wenne To avoid damage to the meter or the testing equipments disconnect circuit power and discharge all high voltage capacitors before measuring capacitance Use the DC function to confirm that the capacitor is discharged NOTE Some capacitors have polarities In measuring polarities capacitors touch the red test lead to the positive polarity and the black test lead to the negative polarity In measuring low capacitance the resistance of the test leads may cause an error in the test results To avoid this error first short the test leads next press RELA button The primary display will be null and the secondary display displays the resistance of test lead Measure the to be tested resistance and the result will be displayed on the primary display Capacitor is capable of storing electric charge When testing capacitance only the value on a stable display is the correct result Set the function to AF position According to practical demands press RELA MAX MIN and 2nd VIEW buttons to have relative measuring or record The meter is in auto range mode and will automatically aoe select a most suitable range To select a range manually for p u the measurement press RANGE button to select a proper range There are six
11. IN RELA REL setting upper amp lower limit timing measurement AC measuring adopts highly accurate true RMS measurement with testing frequency bandwidth and AC DC measuring capable of accurate true RMS measuring of any waveforms in AC range RS 232 interface SAFETY INSTRUCTIONS LN o A High voltage GND Dual insulation Refer to manual ANN WARNING To avoid the electric shock and physical injury and to avoid possible damage to the meter and the tested equipments read this operation manual carefully before using this meter and follow the following safety guidelines Before use check and make sure that the instrument s plastic chassis the test leads and the insulation layer are intact User the meter only as specified in this manual Otherwise the protection provided by the meter may be expired Never measure voltage while the test leads are inserted into the current input terminals Do not use the meter if it looks damaged Inspect the leads for damaged insulation or exposed metal check test lead continuity Replace damaged leads Disconnect the power and discharge all high voltage capacitors before testing in resistance continuity and diode function Be cautious when working at voltage above DC60V or AC42V Such voltages may cause a shock hazard When undertaking measurement keep your fingers behind the guard s plant on the test leads or probes Select the proper function and range for
12. RPM Big Set the function key to Hz position Press SELECT button to select measurement mode The meter is in auto range mode Normal mode Innormal mode the frequency testing range is 0 5Hz 8 0000MHz divided into six ranges 999 99Hz 9 9999kHz 9 999kHz 999 99kHz 8 0000MHz The meter is in auto range mode and will automatically select a most suitable range To select a range manually for the measurement press RANGE button to select a proper range from the six ranges Touch the probes to the signal source and read the display Measurement Primary display Secondary display mode Press 2nd VIEW 1 U lms Ums High frequency mode Hi Hz In Hi Hz mode the frequency testing range is 8MHz 1000MHz divided into four ranges 8 0000MHz 80 000MHz 800 00MHz 1000 0MHz Use the high frequency accessories to measure frequency above LOMHz The meter is in auto range mode and will automatically select a most suitable range To select a range manually for the measurement press RANGE button to select a proper range from the six ranges Touch the probes to the signal source and read the display Primary display Secondary display 00000 00000M Hz NOTE 1 The primary and secondary displays are using together to form a 10 digit display The primary display displays the higher 5 digits while the secondary display displays the lower 5 digits 2 In high frequency measurement a high freque
13. able square wave frequency and duty cycle users can carry out the pulse wave modulation PWM output and adjust the voltage control timer control and clock syntherization 5 7 Auto Schedule In this function user can set up the start and end time of recording 5 8 Open File This function opens the stored files History txt which include text file and graph file The files can be renamed or printed out Move the mouse to the graph area click the right key to display details 5 9 Exit Exit the current system 5 10 Digital Display Window AUTO R5232 DC 18 256 860 40 Oo 40 80 a 20 40 60 80 LLLLLELL SELECT RANGE MAX MIN H and VIEW RELA The digital display window displays exactly the same contents as the multimeter LCD display does However the digital display window on the PC gives you an easier view 5 11 Push Button Panel SELECT RANGE MAX MIN af H 2nd VIEW RELA Basically the buttons on this panel function the same as the buttons on the multimeter Double click on the button functions the same as pressing the multimeter button for 2 seconds 5 12 Analog Display Window The analog display window displays exactly the same as the analog display area of the multimeter LCD display The function and range parts display the current communication status which allows users understand the millimeter s working state When the value is positive the analog needle turns to gr
14. d from mA terminal Press SELECT Primary display Secondary display Press 2nd VIEW Doma ooma S O Acma ACMA DCmA ACmA DCmA ACmA 4 5 AC DC Current Measurement ACA DCA The measurement of AC DC current has four modes DCA ACA DCA ACA and ACA Hz Set the function key to AR position Press SELECT button to select measurement mode According to poetical demands press RELA MAX MIN and 2nd VIEW buttons to have relative measuring or record The meter is in auto range mode and will automatically select a most suitable range To select a range manually for the measurement press RANGE button to select a proper range There are two ranges to choose from 8 0000A 20 000A Connect the black test lead to COM terminal and the read test lead to 20A terminal nin Other operations apply the same as explained in section 4 4 HUL Press SELECT Primary display Secondary display p NNN 2nd VIEW TT pma oa e o T DCAFACA OCHAOA ACA 4 6 Resistance Measurement Q AN wenne To avoid damage to the meter or the testing equipments disconnect circuit power and discharge all high voltage capacitors before measuring resistance Use the DC function to confirm that the capacitor is discharged NOTE In measuring low resistance the resistance of the test leads may cause an error of 0 1Q 0 5Q in the test results To avoid this error first short the test leads next press RELA button
15. e the decimal point of dBm is fixed between the second and third digits When in dBm measurement the impedance is default at 600Q To change the impedance press RANGE button to select a proper impedance The impedance can be chosen from 4 8 16 32 50 75 93 110 125 135 150 200 250 300 500 600 800 900 1000 1200Q 4 2 AC Voltage Measurement ACV LN nasenne The testing AC voltage must not exceed AC750V j r peas UBT The measurement of AC voltage has three modes ACV ACV Hz and dBm i Set the function key to V position Press SELECT button to select measurement mode i According to practical demands press RELA MAX MIN i and 2nd VIEW buttons to have relative measuring or record The meter is in auto range mode and will automatically select a most suitable range To select a range manually for ACV measurement press RANGE button to select a proper range There are three ranges to choose from 8 0000 V 80 000V 750 00V Connect the black test lead to COM terminal and the read test lead to V Q Hz terminal Touch the test leads to the test points and read the display on both the primary and secondary display a 2nd VIEW ACV ACV Hz Teen Taw 1 ILms Tms dBm HZ ACV NOTE 1 In dBm measurement mode the decimal point of dBm is fixed between the second and third digits 2 When in dBm measurement the impedance is default at 6009 To change the impedance press RANGE 4 3 AC DC Milli Voltage Measu
16. een while the value is negative the needle turns to blue When the value is close to zero the needles changes between yellow and red colors _15 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Connect the black test lead to COM terminal and the red test lead to VQ Hz terminal h Press 2nd VIEW button to select the frequency from the e following ranges 7 0 5000Hz 1 0000Hz 2 0000Hz 10 000Hz 50 000Hz 60 240Hz 74 L 63Hz 100 00H7 151 50Hz 200 00Hz 303 00Hz 606 10Hz 1 2500 J kHz 1 6660kHz 2 5000kHz 5 0000kHz Press SELECT button to select the duty cycle from 1 to 99 Press 2nd VIEW button for at least 2 seconds to return to default Square wave output Function Primary display Secondary display Press 2nd VIEW Press SELECT 1 T 1 ms Tms 4 12 Backlight Display Press button to turn on backlight Press it again to turn it off 5 PROGRAMMABLE CONTROL The unit is equipped with RS232 interface and relevant software which allows easy connections to PC for PC control Software operating environment Windos9x NT 2000 XP Software version V1 0 5 1 Installation Plug the CD disk into the CD drive Start up the setup exe file to install the software Select a desired installation path 5 2 RS232 Port Set RS232 port is used for the data transfer between the multimeter and PC There are two ports to be chosen from COM1 and
17. inal and the red test lead to VQ Hz terminal Read the display 4 10 Diode and Continuity Check LN wenne To avoid damage to the meter or the testing equipments disconnect circuit power and discharge all high voltage capacitors before measuring Use the DC function to confirm that the capacitor is discharged Ionnn Set the function to PF 9 position woh GUU Connect the black test lead to COM terminal and the red umt test lead to VQ Hz terminal 9 For diode check touch the red test lead to the positive polarity of the diode and the black test lead to the negative polarity Touch the probes to the test points and read the display For continuity check the beeper sounds if the resistance falls below 60Q 4 11 Square Wave Output The meter can be used as a square waveform generator output the waveform with frequency range of 0 5Hz S000Hz Set the function key to JUILout position The square waveform will be output on COM and VQ Hz terminals The output square waveform is default at 606 1Hz duty cycle 50 _13 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Measurement Primary display Secondary display mode nF uF MAX MIN RELA parameters 4 8 Frequency Hz and Rotation Speed Measurement RPM The measurement of frequency and rotation speed measurement m x have three modes normal Hi Hz and
18. l functions are Table 9 Diode disabled A V lt P buttons can be used to enter and adjust the setting values Press SET button for at least 2 seconds to start the backlight Press this button again to turn off the backlight Diode positive voltage drop The backlight can auto off if this button is not engaged within 30 seconds 0 eee aA aCe err Overload protection 250V RMS MAX MIN Table 10 Square Wave Output Presses this button to enter the dynamic record mode with maximum record period of 36 hours In the dynamic record mode the meter automatically records the maximum value MAX minimum value MIN difference value MAX MIN and calculate the average value AVG of all readings Press this button Pressing this button for at least 2 seconds the meter returns to auto range Table 11 Temperature Timer RS232 50 C 1300 C TIMER function is enabled only in the RELA and MAX MIN measuring mode 1 5 rdg 10 K type thermocouple 58F 2372F S8 P 2372F F oir 1 ort Overload protection 250V RMS Press TIMER key to start the secondary display for counting time Press TIMER key again to turn off the counting time display When the secondary display is display counting time press key SELECT to enter Beeper setup for setting up 6 2 General Specifications Max voltage between terminal and ground 1000V RMS Continuity beeper Approx 3kHz Display dual display 80000 update 4 time Sec a timer f
19. meter s fuse before proceeding Before current measurement turn of the circuit power supply discharge the high voltage capacitance Under no circumstances do not test the voltage when the test leads are plugged in mA or 20A terminals Do not place the probes in parallel with a circuit or component when the leads are plugged into the current terminals The measurement of AC DC milli current has three modes DCmA ACmA DCmA ACmA and ACmA Hz 9 9 Set the function key to mA position Press SELECT button to select measurement mode According to practical demands press RELA MAX MIN and 2nd VIEW buttons to have relative measuring or record The meter is in auto range mode and will automatically select a most suitable range To select a range manually for the measurement press RANGE button to select a proper range There are two ranges to choose from 80 000mA 800 00mA Connect the black test lead to COM terminal and the read test lead to mA terminal Break the circuit path to be tested Tough the black test leas to the negative of the break and the red test lead to the positive of the break Read the display After finishing measurement disconnect the power supply to the circuit and discharge all high voltage _9 capacitors Remove the meter and restore the circuit to normal operation Pull out the test lea
20. n a specific range In HOLD or MAX MIN recording mode changing the measurement range manually will automatically exit the HOLD or MAX MIN mode 3 Enter or exit mauran range mode Press RANGE button to select manual range mode Then every press on the RANGE button the meter steps to a higher range and will return to the lowest range when the higher range is stepped into Pressing RANGE button for at least two seconds can also return to auto range mode 4 OPERATION INSTRUCTIONS 4 1 DC Voltage Measurement DCV The measurement of DC voltage has three modes DCV ni DCV ACV and dBm is u Set the function key to V position Press SELECT button to select measurement mode L bal According to practical demands press RELA MAX MIN and 2nd VIEW buttons to have relative measuring or record Connect the black test lead to COM terminal and the read test lead to V Q Hz terminal The meter is in auto range mode and will automatically select a most suitable range To select a range manually for DCV measurement press RANGE button to select a proper range There are four ranges to choose from 8 0000V 80 000V 800 00V 1000 0V Touch the test leads to the test points and read the display on both the primary and secondary display Press SELECT Primary display Secondary display E 2nd VIEW DCV DEY ___ O DCV ACV AIA T ILms Tms HzIACV DCV DCV ACV NOTE l 2 In dBm measurement mod
21. ncy tuner is required to facilitate the measurement 12 the measurement press RANGE button to select a proper range There are two ranges to choose from 80 000mV 800 00mV Connect the black test lead to COM terminal and the read test lead to V Q Hz terminal Touch the test leads to the test points and read the display on both the primary and secondary display Press SELECT Primary display Secondary display E 2nd VIEW ACmV Hz Hz a ms I ms He ACmV DCmV DCmV AGmV NOTE 1 In dBm measurement mode the decimal point of dBm is fixed between the second and third digits 2 When in dBm measurement the impedance is default at 600Q To change the impedance press RANGE button to select a proper impedance The impedance can be chosen from 4 8 16 32 50 75 93 110 125 135 150 200 250 300 500 600 800 900 1000 1200Q 3 In dBm measurement mode RELA MAX MIN AVG A H functions are disabled 4 In milli voltage measurement mode in order to obtain DC AC function the input terminal of ADC does not employ coupling capacitor Therefore never apply a voltage over double value of DC or AC voltage of the rated value of this range 4 4 AC DC Milli Current Measurement ACmA DCmA AN unene To avoid injury and damage to the meter never attempt an in circuit current measurement when the fuse is blown or when the voltage between open circuit and the ground is 1000V To avoid damage to the meter check the
22. or beeper Then press key RELA gt MIX MIN 4 RANGE A 2nd VIEW V to input the time Next press key TIMER to validate the new time data When the counting time exceeds the preset time the beeper sounds Bar graph 23 segments update 40 time Sec In the above two modes press key HOLD to stop timer function and turn off secondary display but the Electromagnetic compatibility preset time remains unchanged For all ranges and functions except capacitance in a RF field of 1 V m total accuracy specified The time is display in the format of 8 88 88 on the secondary display The max counting time is 9 59 59 accuracy 5 of range In a RF field the capacitance has no specified range RS232 or all ranges and functions in a RF field above 1V m there is no specified range Pressing this button for at least 2 seconds the RS232 remote control is enabled for PC control and Safety Compliance IEC 61010 CAT II 1000V and CAT HI 600V communication with other instruments The LCD display RS232 Input voltage AC110V 220V selectable 50 60Hz Auto power off function is disabled in this RS232 programmable mode Operating environment temperature 0 C 50 C altitude below 2000m Pressing this button for at least 2 seconds again to exits this mode and return to normal mode Storage environment temperature 20 C 60 C altitude below 5000m Relative humidity lt 75 at 0 C 40 C lt 45 at 40 C 50 C HOLD Dimension 260x220x82mm Pres
23. p and Cap Measurement and square wave output terminal mA Milli ampere current measurement terminal 20A Ampere current measurement terminal Table 2 ACV True RMS lt 75 Range 50Hz 20kHz lt 75 Range 20kHz 50kHz gt 75 Range 50Hz 20kHz 800mV 104V 0 8 rdg 50 50Hz 1kHz lt 90 Range 0 8 rdg 50 gt 90 Range 5 0 rdg 50 Remarks Input impedance 80mV 800mV gt 1000MQ 8V 1000V 1OMQ 6 0 rdg 50 8 0 rdg 50 Parallel capacitance lt 100pF Table 3 DCA 200mA TONA 0 2 rdg 10 Fuse F750Ma 250v F13A 250V Voltage drop lt 800mV 0 5 rdg 10 Table 4 ACA True RMS 50Hz SkHz 800mA 10nA 0 2 rdg 10 50Hz 500Hz 40 5 rdg10 Table 5 dBm dBm 80 00dBm 80 00dBm 1 0 rdg 0 01dBm Table 6 Resistance Q 800Q 0 01Q 0 3 rdg 10 0 3 rdg 5 Overload protection 0Q 40MQ 2 5 rdg 10 oe 40MQ 80MQ 3 5 rdg 10 Table 7 Frequency Hz ae Semi OV RNS kHz kHz 10kH8z OkHz Plus adapter 100kKHz OOkHz mia Max input current 20A up tol5 seconds Fuse F750Ma 250v F13A 250V Voltage drop lt 800mV Max input current 20A up tol5 seconds 0 1 dg Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com 5 13 Real time Graph Window 4 Function Key V ACV Pt Diode amp Continuity 1 V DCV Q Resistance mVAG DC AC Milli voltage DUTY Hz Duty Frequency 5 LCD Display The
24. r use by qualified personnel only To avoid electrical shock do not perform any servicing other than contained in the operating instructions unless you are qualified to do SO Do not verify the circuit to avoid damaging Power fuse 200mA 250V Fuse for measuring current 2A 250V this fuse locate in the current input terminal 13A 250V fuse locate the main circuit must be replaced by qualified personal NOTE Do not connect the voltage higher than DC1O00V or AC 1000V rms Do not measure voltage at the Q range When replacing fuse please take away the test leads from the measuring point and power off at first Keep the instrument away from water dust and shock Do not operate the meter in high temperature or strong magnetic place Do not use the abrasives or solvents to clean the meter 7 1 Fuse replacement NOTE Please select fuse of the same specification to replace it Power fuse 800mA 250V Fuse for measuring current 2A 250V this fuse locate in the current input terminal 13A 250V fuse locate the main circuit 1 Test fuse replacement Press the function key to Q range Connect a test lead to VQHz terminal use the pen tip to touch the mA or 20A terminal to test the resistance of the fuse Ifthe tested fuse resistance is below 5Q it means the fuse is good If the rested result is OL over load the fuse needed to be replaced Ifthe fuse is tested as good but the multimeter cannot carry mea
25. rement ACmV DCmV The measurement of AC DC milli voltage have three modes DCmV ACmV Hz and dBm button to select a proper impedance The impedance can be chosen from anil 4 8 16 32 50 75 93 110 125 135 150 200 250 300 500 600 800 900 1000 1200Q i En Set the function key to M VAS position Press SELECT button to select measurement mode According to poetical demands press RELA MAX MIN and 2nd VIEW buttons to have relative measuring or record The meter is in auto range mode and will automatically select a most suitable range To select a range manually for _8 RPM Measurement m In RPM mode the testing range is 0 99999RPM accuracy nnnm g 0 05 of reading 5 Use the RPM accessory to test the B MILLI LIL e SS rotation speed and read the display a soe No display 4 9 Temperature Measurement TEMP The measurement of temperature has two modes normal and Hi Measuring range 50 C 1300 C 58 F 2372 F ai T nea Display Primary C Secondary F l 2g LILI L Set the function to TEMP position i Press SELECT button to select Hi or normal mode 4 In Hi mode use K type thermocouple to measure temperature Press SELECT again H1 disappears from the display and the displayed temperature is internal temperature of the meter Connect the black test lead to COM term
26. sing this button the meter enters auto data hold mode and A H is displayed on the LCD Weight Approx 1 4KG The data hold mode allows users to hold the displayed value while the analog bar graph shows the current Accessories reading Manual I pcs Pressing this button again the meter enters Peak hold mode and a PH appears on the LCD display Test lead 1pcs Pressing this button again the meter enters Peak hold mode and a PH appears on the LCD display TP 01 K type thermocouple 1pcs Pressing this button for at least 2 seconds the meter exits HOLD mode and return to normal mode RS232 package I set 18 2nd VIEW Selects the secondary display function In various measuring mode press 2nd VIEW button to cycle the displayed data on secondary display Se the follow table evm av EAA Ams ms ACV DCV Hz ACV DCV ACV Hz we a ie Hz L Lms Tms mVAZ rapmHz aBm HACmV DCmV ACmV DCmV HzDUTY Hz m _ 1 1F SLms Ums Press key 2nd VIEW to Press key SELECT to change JULour JULour change output frequency duty value In square waveform output mode press 2nd VIEW button to select frequency and trigger the square waveform at the selected frequency 0 5000Hz 1 0000Hz 2 0000Hz 10 00Hz 50 000Hz 60 240Hz 74 63Hz 100 00Hz 151 50Hz 200 00Hz 303 00 Hz 606 10Hz 1 2500kHz 1 6660kHz 2 5000kHz 5 0000kHz Press this key for at least 2 seconds to return to 606 10Hz 50 duty output sta
27. surement please send the multimeter for repair 2 Fuse replacement Disconnect the multimeter from AC power source and take off all test leads 2A fuse replacement Press mA input jack by finger take out the fuse jack after turning 90 angle anti clockwise Take off the fuse and replace an equivalent then turn on the fuse jack After press the fuse into the fuse jack turn 90 angle by an inverse hour direction 13A fuse replacement must be replaced by qualified personal Screw off the four screws on the button shell by a screwdriver take off the upper shell Take off the fuse and replace an equivalent then turn on the fuse jack Take on the shell Screw on the four screws on the button shell by a screwdriver 19 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com 1 Power switch turns the meter on or off Table 8 Capacitance 45 0 rd 6 50 2 Auxiliary keys SELECT RANGE SET MAX MIN Timer RS232 HOLD 2nd VIEW RELA SELECT Selects measurement mode Overload protection 250V RMS RANGE Selects measurement range The meter is default at auto range mode 2 5 rdg 50 SET When the SET button is in operation the RANGE button is used as a moving up button A the 2nd VIEW button as a moving down button V the MAX MIN as a moving left button X and RELA as a moving right gt In this case the RANGE 2nd VIEW MAX MIN and RELA buttons origina
28. te When the SET button is in operation 2nd VIEW button is using as a moving down button W Pressing this button moves the setting digit down RELA Pressing this button the meter enters relative measuring mode and RELA appears on the LCD display The relative measuring functions measures the difference between the testing value and the reference value The current readings on the secondary display are used as a relative value The primary display displays the relative measurement in two modes One is RELA measuring value Reference value The other is REL REL A Reference value x100 press SELECT button to select RELA or REL mode Press RELA button again the testing value will be used as reference value and displayed on the secondary display While the SET button is in operation the RELA button is used as a moving right button to move the setting digit to the right Press RELA for at least 2 seconds to exits reference mode and return to normal mode Set up reference value for measurement 2 In every reference value use RANGE button to select a proper range 3 When SET button is in operation press SELECT button twice to set up reference value for measurement At the same time the A V lt P are enabled 4 Use A V lt P buttons to adjust the reference value Press SET button to validate the new setup 3 Terminal COM Common terminal for all measurements V Q Hz Volts Ohn Diode Freq Tem
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