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1. Figure3 3 DC Voltage Measurement AWarning Do not apply more than DC 1000 V or AC 750 rms voltage the meter will possible be damaged though the value could be displayed Indicator f is on display for safety note when 30 V ac and or dc voltage present at the input terminals The meter beeps constantly if the input voltage is more than AC 750V rms which is over the meter s range Measuring DC mV Voltage See Figure 3 4 1 Set the rotary switch to mV position and DC mV will be on display 2 Insert the black lead into COM terminal and the red lead to into the Q gt V terminal ea mV Ss il Figure3 4 DC mV Measurement 3 Connect the leads to the tested power 4 Read the measuring results from the screen Measuring TC 1 Set the rotary switch to mV position and press blue button 0 to select TC measurement 2 Insert TC into COM and Q V terminals make sure the TC jack with symbol is connected into the Q gt V terminal 3 Read the measuring results from the screen 15 www tmatlantic com 0036 M oazu _0097 II I HI Figure3 5 TC Measurement The temperature degree is shown on the primary display the TC value on the secondary display and Fahrenheit degree on elapsed time display2. See Figure3 10 Capacitance Measurement Measuring Current See Figure3 11 Figure3 12 AWarning Never attempt an in circuit current measurement where the open circuit potential to earth is greater than 1000 V You may damage the meter or be injured if the fuse blows during such a measurement You must open the circuit under test then place the meter in series with the circuit ACaution To avoid possible damage to the meter or to the equipment under test check the meter s fuses before measuring current Use the proper terminals function and range for your measurement Never place the probes across in parallel with any circuit or component when the leads are plugged into the current terminals To measure ac or dc current proceed as follows 1 Insert the black lead into the COM terminal Insert the red lead in an input appropriate for the measurement range as shown in Table 3 1 2 When using A jack set the rotary switch on A position When using mA pA jack set the rotary switch on i position if the current is less than 4000uA and mA position if the current is more than 4000 A 3 The meter is preset to direct current and the screen shows DC Press blue pushbutton once to select alternating current measurement and the screen shows AC 4 Open the circuit path to be tested Touch the red probe to the more positive side of the break touch the black probe to the more negative side of the break Revers
3. When the output jack is open circuit the screen displays OL AWarning To avoid possible electric shock or personal injury do not connect the TC with the live circuit Measuring Resistance See Figure3 6 AWarning To avoid possible damage to the meter or to the equipment under test disconnect circuit power and discharge all high voltage capacitors before measuring resistance The meter s resistance ranges are400 0Q 4 000KQ 40 00KQ 400 0KQ 4 000MQ and 40 00MQ To measure resistance proceed as follows RID 1 Set the rotary switch to Q position Default value in this function 2 Insert the black lead into COM terminal and the red lead to into the Q gt V terminal 3 Connect the leads to the tested power 4 Read the measuring results from the screen Caution OL appears on the display if the resistance under test is open or the value surpasses the maxim range The test lead can add 0 10 to 0 2 of error to resistance measurements To test the leads touch the probe tips together and read the resistance of the leads If necessary you can press CR to automatically subtract this value Wait for several seconds for stable reading when measuring resistance more than 1MQ RTDL p O wi gt A mapa como osv Ik A I Figure3 6 Resistance Measurement Testing Diodes See Figure3 7 A Warning 16 www tmatlantic com
4. To avoid possible damage to the meter or to the equipment under test disconnect circuit power and discharge all high voltage capacitors before testing diodes Use the diode test to check diodes transistors and silicon controlled rectifiers SCR and other semiconductor devices The test sends a current through a semiconductor junction and then measures the junction s voltage drop A typical junction drops 0 5 V to 0 8 V To test a diode proceed as follows 1 Set the rotary switch to Ta position and press blue button to select diodes testing and the symbol will be shown on the left part of the screen 2 Insert the black lead into COM terminal and the red lead to into the QV terminal The polarity of the black lead and red lead is and respectively E mml ni KG A Figure3 7 Diode Test In a circuit a similar diode should still indicate a forward bias reading of 0 5 V to 0 8 V however the reverse bias reading can vary depending on the resistance of other pathways between the probe tips Note In the live diodes testing the resistance of other pathways and between the probe tips will affect the reading of reverse bias voltage Testing for Continuity See Figure3 8 A Warning To avoid possible damage to the meter or to the equipment under test disconnect circuit power and discharge all high voltage capacitors before testing
5. appears in the display 4 Press Cyior to view the sequent or the previous recording 5 Turn the rotary switch to any other position to enter measuring mode Clearing Memory Use the following procedure to clear memory data 1 Disconnect the input leads at the measurement source A Warning To avoid electric shock disconnect the test leads when the rotary switch is in the MEM position ANotice In MEM function each operation could only read or clear the data of one storing part 2 Turn the rotary switch to the MEM position 3 Press pushbutton to select a storing data to clear Press to clear saved reading MEM appears in the display Press to clear logged reading LOG appears in the display Press to clear comparative reading COMP appears in the display 4 Press Cvofor more than 2S CLF appears in the display and press Cv again to clear the type of memory presently or else press to cancel Using Communications A Notice Make sure your PC has been connected with the earth ground when employing this function When using a PC to meter IR infrared communication link refer to the DMMVIEW_A Software Guide or the on line help You can use the USB to UART Bridge Controller and DMMVIEW_A software to transfer the contents of a meter to a PC 90 www tmatlantic com Chapter 5 Changing the Default Settings Introduction The meter allows you to change the defa
6. 60dB Overvoltage protection 1000V 750V 1V 0 5 4 DC Current Measurement Range Frequency Accuracy Remark 400 0uA 0 1pA 0 2 4 Measuring Impedance 4000A luA 0 2 4 100Q Overvoltage protection 0 5A 250V 40 00mA 0 01mA 0 2 4 Measuring Impedance fast blow fuse 400 0mA 0 1mA 0 2 4 IQ 4 000A 0 001A 0 5 4 Measuring Impedance Overvoltage protection 10A 250V 10 00A 0 01A 1 0 4 0 010 fast blow fuse Range Resolution BECHEASY Remark 40 400Hz 400 0nA 0 1pA 0 5 4 Measuring Impedance 4000nA 1A 0 5 4 100Q Overvoltage 0 5A 250V fast blow fuse 40 00mA 0 0 1 mA 0 5 4 Measuring Impedance 400 0mA 0 1mA 0 5 4 1Q 4 000A 0 001A 1 4 i Message impedance Overvoltage 10A 250V fast blow fuse 10 00A 0 01A 1 4 0 010 Resistance Measurement Range Frequency Accuracy Remark 400 0Q 0 10 0 2 4 Open circuit voltage 0 4V 37a www tmatlantic com 400 0Q 4 000kQ 0 001kQ 0 2 4 40 00kQ 0 01kQ 0 2 4 400 0kQ 0 1kO 0 2 4 4 000MQ 0 001 MQ 0 5 4 40 00 MQ 0 01 MQ 1 4 Capacitance Measurement Range Frequency Accuracy Remark 0 pad sain ee To improve the accuracy of the low capacitance 5 000 F 0 001 F AE value open the circuit and then press C to 50 0 F F 0 01 h T a 5 automatica
7. Save mode 500 Reading Storage Log mode 1000 Comp mode 1000 Detailed Accuracy Specifications All the speculations apply to 18 Cto 28 C 10 to 70 RH unless stated otherwise All speculations assume a 5 minute warm up period Standard speculation is valid for one year Accuracy specifications are given as 4 t of reading number of least significant digits Note Counts refers to the number of increments or decrements of the least significant digit 96 lt www tmatlantic com DC Voltage Measurement AC Current Measurement Range Resolution Accuracy Remark 40 00mV 0 01 mV 0 5 6 Measuring Impedance gt 2 5GQ 400 0mV 0 1 mV 0 2 4 Overvoltage Protection 1000V 4 000V 0 001V 0 2 4 40 00V 0 01V 0 2 4 Measuring Impedance Standard Value 10 MQ lt 100 pF 400 0V 0 1V 0 2 4 Common mode rejection ratio 50Hz or 60Hz gt 100dB Normal mode rejection ratio 50Hz or 60Hz gt 45dB 1000V 1V 0 5 4 Overvoltage 1000 V AC Voltage Measurement Accuracy Range Resolution Remark 40 400Hz 400 0 mV 0 1 mV 1 0 4 Specifications are valid from 5 to 100 of amplitude range 4 000 V 0 001 V 0 5 4 400mV is only confined to manual range AC conversion averaging converter 40 00 V 0 01 V 0 5 4 Measuring Impedance 10MQ Standard Value lt 100pF 400 0 V 0 1V 0 5 4 Common mode rejection ratio 50Hz or 60Hz gt
8. PDEE EEE DEER PERE RRR R RRR 3 MEM mo o TA TI TI ie CMMI CI CT cF pa CI misc I MS a Ka i oO Table 2 3 Display Unit No Unit Meaning Display Hold To hold present value in the main display PH Peak Hold Valid only in DCV position Auto Hold To freeze the present value in auto hold mode AUTO Toggles in auto ranging mode To access yellow button function LOG Readings are being recorded in logging mode COMP Readings are being recorded in comparative mode MIN Min e i MAX Max Limited value measurement primary display shows MIN MAX AVG value in cycle AVG Avg while secondary display shows present reading o Low battery indicator The indicator in the display notifies you that the batteries are low and should be replaced AXwarnin i To avoid false readings which could lead to possible electric shock or personal injury replace the batteries as soon as the low battery indicator appears Table 2 3 Display Unit Cont No Unit Meaning OQO kQ MO The unit of resistance Ohm Kilohm Megohm Hz kHz MHz The unit of frequency Hertz Kilohertz and Megahertz A mA pA The unit of current Amperes amps Milliamp Micro amp ee Be www tmatlantic com V mV The unit of voltage Volt Mill volt nF uF The uni
9. by turning the screws one quarter turn clockwise 6 Reinstall the meter s protector Replacing the Batteries The meter needs four AAA alkaline batteries A Warning To avoid electrical shock Remove test leads from the meter before opening the battery door Close and latch the battery door before using the meter ANotice The new and old Batteries can not be mixed Take out the batteries if the meter won t be used for a long time Despise the old batteries in accordance with the local law Replace the batteries as follows Refer to Figure 6 1 24 www tmatlantic com 1 Remove the test leads and turn the meter OFF 2 Specific steps take off the protector of the meter and then with a standard blade hand screwdriver turn each battery door one quarter turn counterclockwise so that the slot is parallel with the screw picture molded into the case 3 Replace the batteries and reinstall the battery door Secure the door by turning the screws one quarter turn clockwise 4 Reinstall the meter s protector Caution Make sure the battery s odes are in accordance with the symbols illustrated in battery pool when replacing them Figure 6 1 Battery and Fuse Replacement oA www tmatlantic com Chapter 7 Specifications Safety and Compliance Highest voltage of all input jacks to earth ground 1000V dc or ac Compliance Complies with IEC61010 1 93 Over voltage Pollution Degree 2 Safety Standa
10. for continuity Continuity is the presence of a complete path for current flow The continuity test features a beeper that sounds if a circuit is complete The beeper allows you to perform quick continuity tests without having to watch the display r ETT S See Figure3 8 Continuity Test IJe www tmatlantic com To test continuity proceed as follows 1 i RTD ner R A A Set the rotary switch to Wo position and press blue button twice to select continuity check and the symbol will be shown on the left part of the screen 2 3 Insert the black lead into COM terminal and the red lead to into the QPFV terminal Connect the leads to the two ends of the tested circuit 4 The inner beeper sounds when the tested circuit resistance is less than 50Q which indicates the circuit is through Measuring RTD See Figure3 9 eS 0266 fl eoar asuri RTD RTD RO aeaao O Neuen Ls SELECT RT 7 a WW Ge See Figure3 9 RTD Measurement Set the rotary switch to Do position and press blue button three times to select diodes testing Insert the black lead into COM terminal and the red lead to into the OV terminal Connect the leads to the tested RTD Read the measuring results from the screen M
11. record number appears in the secondary display the elapsed time display shows the time and the meter enters into COMP mode 2 Set the upper and lower limits Press to set the upper limit and MAX appears on the screen and the digit set part in the primary display flashes Press the blue button to select the set digits Use Cv or 1 to change the numerical value of the set digits Press again to set the lower limit and MIN displays The setting way of the lower limit is same as that of the upper limit Press for the third time to save the set data 3 Press For to start COMP mode If you do not undertake step 2 then the default values of the upper and lower limits are zero Pressing o is invalid when setting the upper and lower limit values Viewing Memory Data Use the following procedure to view memory data 1 Disconnect the input leads at the measurement source 21 www tmatlantic com A Warning To avoid electric shock disconnect the test leads when the rotary switch is in the MEM position ANotice In MEM function each operation could only read or clear the data of one storing part 2 Turn the rotary switch to the MEM position and FEAd displays on the screen 3 Press pushbutton to select a storing data Press for saved reading MEM appears in the display Press for logged reading LOG appears in the display Press w for comparative reading COMP
12. using the probes keep your fingers behind the finger guards on the probes Connect the common test lead before you connect the live test lead When you disconnect test leads disconnect the live test lead first To avoid possible fire or electric shock do not connect TC with the live circuit 9x www tmatlantic com ACaution To avoid possible damage to the meter or to the equipment under test Set the rotary switch on the right range Do cut off the testing leads and circuit before switching Forbid to switch during the measuring process Cut off the power and complete discharge before measuring resistance continuity diodes or capacitance with the live circuit Before measuring current check the meter s fuses see Chapter 6 Testing the Fuses Turn power OFF to the circuit before connecting the meter to the circuit Remember Plug the meter with the circuit when measuring current and do not connect test lead in parallel with any circuit Symbols Symbols used on the meter and in this manual are explained in Table 1 1 Table 1 1 International Electrical Symbols Symbols Meaning Symbols Meaning aS Alternating L Earth ground current Direct current E Fuse Alternating and E Double direct current insulated Important A information Battery CAT I CAT11 Overvoltage Installation Category11 Pollution Degree 2 per IEC61010 refers to the level of Impulse Withstand Voltage protect
13. 4O40Q G ND A Figure 2 2 Input Jacks Table 2 1 Input Jacks gt QoQ Function Measuring Signal direct and alternating current A frequency Measuring Signal direct and alternating current mA uA frequency Public return Jacks of all the measurement AIOI Measuring Signal RTD TC CAP direct voltage direct mV voltage alternating voltage resistance diodes continuity frequency www tmatlantic com Figure 2 3 Rotary Switches Table 2 2 Rotary Switches NO Position Rotary Switch Function O Blue Pushbutton Function dBm Y AC Voltage Measurement dBm Measurement V DC Voltage Measurement None TCV DC mA Voltage Measurement TC Measurement e RTD Diode testing continuity testing RTD O Resistance Measurement testing Capacitance None A Direct current measurement Alternating current measurement mA Direct current measurement Alternating current measurement uA Direct current measurement Alternating current measurement M EM Read or clear the stored data in the meter See Chapter 4 for the detailed Wane information www tmatlantic com a Figure2 4 Display Unit L vie a MINMAX AVG of 7 0 Ed ic A l 0 LA os lt
14. Duty cycle ratio See Figure3 13 In voltage and current DC mV excluded measurement press to display frequency gt duty cycle ratio gt voltage current frequency duty cycle ratio and then back to voltage current Frequency gt Duty cycle ratio gt Voltage Current gt Voltage Current gt Frequency Frequency Duty cycle ratio ie ee EF ae DEDEEEEE DEERE I L 0 I 400 ann rit LILI LS Lit gg Figure3 13 Frequency and Duty cycle ratio Notice Please select the proper range in voltage or current function before measuring frequency and duty cycle ratio 20 www tmatlantic com Chapter 4 Using Memory amp Communications Features Introduction Chapter 4 shows you how to use memory and communication features available on the meters Data Storage The meter has three types of memory data SAVE mode LOG mode and COMP mode ANotice Undertake clearing memory data operation first if the date storage functions are used firstly The date storage mode is unavailable when the meter is in D H A H P H Hz or MAX MIN function The COMP mode is unavailable when measuring capacitance The range cannot be changed when the date storage functions are active In MEM position on the screen indicates data storage is empty and could save the data FULL on the screen indicates data storage is full and will stop saving In LOG or COMP mode no data could be save
15. NS AKTAKOM Digital Multimeter AM 1108 USER S MANUAL www tmatlantic com www tmatlantic com Table of Contents Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Introduction siicsssacesensniscecssecensssousaodesssadededicesseonsestenncdssnanieoonneatenien 2 Getting Acquainted essesssccesccsscssscssecesecessccscsessssessesesesssssssssseee 4 Making Measurements cicccciscscsacsncssecessesvsivcossocsvsivecssesersieseees 13 Using Memory amp Communications Features cccccssssssees 21 Changing the Default Settings scsssssssssssssssssssssssssssseess 23 WEAN COTATI CE isis cccecscssenesecsess esbosesueieucseasede saseassecseuaeosedecessecessexesss 24 Specifications 25 cee ccsecectrnetecdevcecsedtoasceacedecieehceas Ueacsue caste vencveeseedeeeet 26 www tmatlantic com Chapter 1 Introduction A Warning Read Safety Information before using the meter Summarize The meter is a handled battery operated tool for measuring electrical parameters It has all the features of a digital millimeter and measure AC voltage DC voltage AC current DC current resistance capacitance frequency duty cycle ratio dBm TC RTD Diode Test and Continuity Check Besides it has features like Large LCD screen could display the three characteristic of one input signals Different reference impedance for dB measure function AUTO HOLD DISPLAY HOLD an
16. Press to access Yellow Button Functi ons and Asis will be on display gt O Press to access blue functions on the rotary switch In Setup and Comparative Mode use arrow function gt function to select the next digit None START HOLD In measuring mode selects between the D H A H and P H functions To cancel functions press this key once again In Logging mode or Comparative mode press to start storage function None SETUP RANGE am In measuring mode press to exit auto ranging and enter manual ranging In manual select next input range In Comparative mode pressiito set MAX and MIN value Press Rae to enter Setup mode when turning the meter on and press imxcetto select the set value in the mode None SAVE REL In measuring mode press 1 to store the present reading as an offset reference subsequent readings show only the relative difference from this value In MEM mode press to read the Save Data Enter SAVE mode In SAVE mode press to save present value Press for more than 2 seconds to exit In Setup or comparative mode increment a digit In MEM mode to read the display value press to get the previous record In measuring mode press __ _4_ to return to AUTO ranging LOGGING Hz In measuring mode successively pressis to select frequency duty cycle ratio and voltag
17. X mode also calculates an average AVG of all readings taken since the mode was activated When the input goes below the stored minimum value or above the stored maximum value the meter beeps and stores the new value In addition the meter displays the present measurement value in the secondary display and the new value in the primary display Press mwm the MAX MIN and AVG value will be stored as the present displaying reading and MAX will be on display first Each subsequent press of em steps through the minimum MIN average A VG and back to the maximum reading ll www tmatlantic com gt MIN gt AVG I The Auto Ranging will be shut off and fixed the present range before enter max min mode Therefore set the right range before choose this mode To exit this mode press mw for more than 2 seconds or set the rotary switch to any other position 212s www tmatlantic com Chapter 3 Making Measurements Introduction Chapter 3 explains how to make measurements Most measurement functions can be selected by using the rotary switch White letters or symbols identify primary functions blue letters or symbols identify alternative functions Press the blue button to access these alternate functions Frequency related functions can be selected when the rotary switch is in any of the dBm NY y Y Vor A mA HA position Measuring Voltage Voltage is the difference in electrical potential be
18. and the meter displays the present reading as a reference in the secondary display and the relative value in the primary display The difference between the reference and a new measurement Press ret again to exit the mode This function is available with all functions except frequency duty cycle ratio MAX MIN TC RTD dBm measurement ric Cine a UAA AT ULLLLLLLLI l I I 0 m Ucd4 Figure2 9 Relative Mode AWarning Do be careful for the possible dangerous voltage in the relative mode Selecting the Range Press e to select a fixed range Auto ranging lighted in the display always comes on initially when you select a new function In auto range the meter selects the lowest input range possible ensuring that the reading appears with the highest available precision resolution If AUTO is already on press lt 1 to enter MANUAL ranging in the present range You can then select the next manual range each time you press Return to auto ranging by pressing Ca Note You cannot use lt in conductance diode test or with the TC RTD and MAX SETUP in the capacitance and frequency measurement functions which have Auto ranging only DC mV has manual ranging only Using MIN MAX Mode Note The function is invalid in REL TC RTD dBm DC mV Diodes Continuity Capacitance Frequency Duty cycle ratio features The MIN MAX mode stores minimum MIN and maximum MAX input values MIN MA
19. d PEAK HOLD to display the measuring value Panel calibration function Three convenient data recording modes LOG mode MANUAL mode and COMP mode USB IR jack to connect with a PC Open case Inspection Open the case to check if the meter is damaged or something is missing contact the place of purchase immediately Contact the distributor for information about DMM accessories Accessories A copy of user s manual A set of CF 733370 industrial test lead One USB to UART Bridge Controller USB_DMM DMMVIEW_ A disk Options K TYPE TC Safety Information The meter complies with IEC61010 1 93 Over voltage Pollution Degree 2 Use the meter only as specified in this manual Otherwise the protection provided by the meter may be impaired A Warning identifies conditions and actions that pose hazards to the user A Caution identifies conditions and actions that may damage the meter or the equipment under test A Notice identifies symbols of the operation and explanations of the features International symbols used on the meter and in this manual are explained in Table 1 1 AWarning te avoid possible electric shock or personal injury follow these guidelines Use the meter as the instructions of the producer otherwise the protective function shall be invalid Do not use the meter if it is damaged Before you use the meter inspect the case Look for cracks or missing plastic Pay particular attention to the insulation surrounding the connectors Take t
20. d if there is a recording no matter the storage is full or not The user should clear off the memory and then start to save In LOG or COMP mode the meter will return to measuring mode when the storage is full Low battery indicator E Appears on the screen to indicating forbid saving Table 4 1 Memory Capacity Memory Mode Memory Capacity SAVE mode 500 LOG mode 1000 COMP mode 1000 SAVE Mode Proceed as follows 1 Press I to save reading MEM appears in the display and record number is displayed in the secondary display the meter enters into SAVE mode 2 Press L to save present value in the memory and the record number increments by one 3 Press Cet for more than 2S or set the rotary switch to any other position to exit the SAVE mode LOG Mode Proceed as follows 1 Set the starting time and interval time of the real time data see Changing the Default Settings 2 Press m0 LOG appears on the screen and the recorded number appears in the secondary display the elapsed time display shows the time and the meter enters into LOG mode 3 Press o to start log mode and counts the time On the starting time the meter begins to store the data in the Logging Saving Memory The meter exits the mode automatically when the storage is full 4 Press for more than 2S or change the rotary switch position to exit the mode COMP Mode 1 Press COMP appears on the screen and the
21. e current in Voltage and Current position except DC mV function In MEM mode pressis to read LOGGING Data LOGGING Hz Enter LOG mode Press for more than 2 seconds to exit COMP MAX MIN In measuring mode pressi to start retaining min max and average values Press successively to display MAX MIN and COMP MAX MIN AVG value Enter SAVE mode Press for more than 2 seconds to exit www tmatlantic com Press for more than 2 seconds to stop In MEM press to read COMP Data In Setup or COMP mode decrement a digit CLR In MEM mode press to get the next data stored v otherwise to clear off the data if pressing for more than 2 seconds Turn on the power or backlight Press for less than 2 seconds to turn on or off the None backlight and more than 2 seconds to power off None Using Hold Mode In the measuring mode use wa to select Display Hold Auto Hold or Peak Hold Press again to exit The above three functions are not available when recording data Display Hold Mode D H The primary display preserves the present value and displays EE see Figure 2 6 ace _ LL Figure 2 6 D H Mode In MAX MIN mode no further minimum maximum or average updates occur while the HOLD mode is enabled Auto HOLD Mode A H A Warning Auto HOLD mode does not capture unstable or noisy readings Do not use Au
22. easuring Capacitance See Figure3 10 The meter s capacitance ranges are 50 00nF 500 0nF A warning To avoid possible damage to the meter or to the equipment under test disconnect circuit power and discharge all high voltage capacitors before measuring capacitance Use the dc voltage function to confirm that the capacitor is discharged 5 000uF 50 00uF 100 0uF To test capacitance proceed as follows l 2 3 4 Set the rotary switch to 4 position to select capacitance measurement Insert the black lead into COM terminal and the red lead to into the OV terminal Connect the leads to the tested capacitance Read the measuring results from the screen ACaution OL appears on the display if the tested capacitance is open or the value surpasses the maxim range If the tested capacitance is polar capacitance then connect the red lead with the positive point and the black lead with the negative point High capacitance test needs more time and 30s is necessary in 100uF position To improve the measurement accuracy of small value capacitors press the residual capacitance of the meter and leads The remaining voltage of capacitance insulated impedance and dielectric absorption could cause measuring errors Only Auto ranging mode is available in capacitance measurement Ci with the test leads open to subtract 18 www tmatlantic com Ji co
23. ect Whenever any user finds its mistakes omission etc he or she is requested to contact the manufacturer The present manufacturer is not liable for any accident and hazard arising from the customer misuse or inadvertent operation The functions described in this operation instruction should not be used as grounds to apply this product to a particular purpose 29
24. he leads off the meter before unlock the battery door Inspect the test leads for damaged insulation or exposed metal Check the test leads for continuity Replace damaged test leads before you use the meter Do not use the meter if it operates abnormally Protection may be impaired When in doubt have the meter serviced Do not operate the meter around explosive gas vapor or dust Do not apply more than the rated voltage as marked on the meter between terminals or between any terminal and earth ground Make sure the meter works normally as per testing a known voltage Do not use the meter if it operates abnormally When in doubt have the meter serviced To avoid possible electric shock caused by false reading due to exist ting alternating voltage in all the direct current functions including manual and auto ranging make sure whether there is any alternating voltage existing or not before selecting a direct voltage range equals to or higher than the alternating voltage To avoid false readings which could lead to possible electric shock or personal injury replace the batteries as soon as the low battery indicator appears Do not touch the exposed wine connector or unused input jack or circuit under test when the meter is working Use only type AAA batteries properly installed in the meter case to power the meter Use caution when working above 30 V ac rms 42 V peak or 60 V dc Such voltages pose a shock hazard Avoid working alone When
25. ing the leads will produce a negative reading but will not damage the meter 5 Turn on power to the circuit and read the measuring results from the screen LOGGING 7 Turn off power to the circuit and discharge all high voltage capacitors Remove the meter and restore the circuit to normal operation Table 3 1 Current Measurement Rotary Switch Input Ranges i TE TEIE MEAE 19 www tmatlantic com Notice Start measuring from the high range if the current can t be evaluated For safety the measuring time should be limited within 15s while the interval should be more than 10 min when measuring high current If the input current is more than 10 00A then the inner beeper sounds constantly indicating the value surpass the range th ba i tuna LL aa AM L We We N7 47h l I l PLAN O 0 Q x Select A i j AC n e A j P EP iP NL o r o a 1 g A r A o 1 SI Cadac Hf L p I Figure3 12 AC Current Measurement Measuring Frequency and
26. ion provided Typical locations include plug and the connecting electric equipments home appliance convenient tools domestic plug plugs 10m distant from type 3 circuit 20m distant from type 4 circuit www tmatlantic com Chapter 2 Getting Acquainted Introduction Study this chapter to be acquainted with all the features and functions of the meter Turning the Meter On To turn the meter on press to power on and press again for more than 2 seconds to power off When the power is turned on the source starts to make self diagnosis internally and displays on full screen After this appropriate operation should be carried out Attention Power on To ensure the correct operation of the meter with power on It is good practice to turn off the power supply pausing 5 seconds and then restart the meter Automatic Power Off The meter will go into automatic power off mode if you have not changed the rotary switch position or pressed a button for a set period The automatic power off is preset to 10 minutes From the Setup menu see Chapter 5 Changing the Default Settings users can decide whether they want to use the function of the automatic power off or not Backlight On To turn the backlight on press O to turn on and press again to turn off Automatic backlight off The automatic backlight off is preset to 30s If user doesn t turn off backlight within 30s the meter will turn off backlight automatically Fro
27. lly subtract the capacitance of the meter ae aoe and the leads 100uF luF 4 5 Frequency Count Accuracy Function Range Resolution Accuracy Remark 50 00Hz 0 01Hz 0 1 3 500 0Hz 0 1Hz 0 1 3 Frequency 5 000KHz 1Hz 0 1 3 Display updates 3 times second at 50 00KHz 0 01KHz 0 1 3 gt 10Hz 100 0 KHz 0 1KHz 0 1 3 Duty cycle ratio 0 1 99 0 1 1 TC Measurement Function Input Range Resolution Accuracy Remark By using ITS 90 temperature scale Note The accuracy does not include the 0 5 2 lt 100 error of internal temperature K Oey l 0 5 1 gt 100 compensation caused by a sensor The range of the internal temperature compensation sensor is 2 RTD Measurement Function Input Range Resolution Accuracy Remark By using Pt100 385 temperature scale Pt100 200 to 700 1 0 5 2 Measuring current ImA Note attached lead resistance is excluded Diode Test Range Frequency Accuracy Short Circuit current Open Circuit voltage Less than 0 2mA 1 000V 0 001V 10 ice 1 1V tol 6V typical value Continuity Check Range Frequency Accuracy Short Circuit current Open Circuit voltage 010 eer if the value is less than 50Q 130uA typical value lt 0 45V DR www tmatlantic com Peak hold Range Accuracy Response time DCV 100 Counts gt Ims Notice of the Instruction Manual The present operation instruction is subject to change without notice The content of the operation instruction is regarded as corr
28. m the Setup menu see Chapter 5 Changing the Default Settings users can decide whether they want to use the function of the automatic backlight off or not Low Battery Indicator The battery indicator in the upper right corner of the display notifies you that the batteries are low and should be replaced AWarning To avoid false readings which could lead to possible electric shock or personal injury replace the batteries as soon as the battery indicator appears If the battery indicator appears it will lead to the shut up of the storage function Outer Structure See Figure 2 1 Input Jack Figure2 2 and Table2 1 explain the input jacks Rotary Switch Figure2 3 and Table2 2 explain the measuring functions of the rotary function switch positions Display Unit Figure 2 4 and Table 2 3 explains the meaning of the every displaying unit Communication interface You could use the USB_DMM and the DMMVIEW_A software to transfer the content stored in the meter and real time measuring value to a PC See Chapter 4 Using Memory amp Communications Features Pushbutton Figure2 5 and Table 2 4 show the pushbutton function www tmatlantic com Communication interface Display screen START i SETUP SAVE A Howo Rancel Re _a _ Il LOGGING COMP CLR l J en iam Figure 2 1 0uter Structure A AC
29. rd issued by IEC Fuse Protection for mA or uA inputs Fuse Protection for A input Physical Specifications 0 5 A 250 V FAST Fuse 10 A 250 V FAST Fuse Display LCD Digital 4000 counts primary display 4000 counts secondary display updates 3 second Analog 41 segments updates 10 second Operating Temperature 5 C to 50 C Storage Temperature 10 C to 55 C Relative Humidity 0 C to 30 C lt 75 30 C to 40 C lt 50 Battery Type 4xAAA alkaline battery NEDA LR03 Size 205x95x42mm plus protector Weight About 500g plus protector Calibration Interval 1 Year Basic Specifications Function Ranges Description DC Voltage 0 to 1000V AC Voltage averaging converter 0 to 750V Basic Accuracy DC Voltage 0 2 AC Voltage 0 5 DC Current AC Voltage averaging converter 0 to 10A constant measurement shall be limited within15s and log less than 15min 0 to 10A constant measurement shall be limited within15s and log less than 15min Resistance 0 to 40MQ Capacitance 0 tol00uF Diodes Open circuit Voltage 1 1V tol 6V Short circuit Voltage less than 0 2mA Typical Value Continuity Beeps lt 50Q Open Circuit Voltage lt 0 45V Short Circuit Voltage 130uA typical value TC K Type Test 200 C to 950 C 328 to 1472 RTD Pt100 Type Test 200 C to 700 C 328 to 1292 Frequency 0OHz to 100kHz
30. splay readings as deviations in dB decibels above or below an established level Set up dB measurements with the following procedure 1 Make an ac volt measurement to be used as a reference point 2 Press to select dB The dBm value appears in the primary display and the ac volts reading appears in the secondary display 3 Press O again to turn dB off Normally dB is measured as dBm which is a measure of decibels relative to 1 milliwatt The meter assumes a resistance of 600 in making this calculation This resistance can be set for any value for50Q 759 930 1009 1509 3002 600Q 800Q 1200Q 2400Q using the meter s setup capabilities see Chapter 5 to change the resistance oo Figure 3 2 dBm Measurements Note If dBm is displayed check that the reference resistance value closely matches the impedance of the system being measured dB is calculated with the following formula dBm 20x log Vr For dBm Vr is the voltage across the reference resistance at ImW For example Vr would be 0 7746 V with a 600 Q reference resistance Measuring DC Voltage See Figure 3 3 Set the rotary switch to V position and DC V will be on display Insert the black lead into COM terminal and the red lead to into the OV terminal Connect the leads to the tested power Read the measuring results from the screen Pe 14 www tmatlantic com
31. t S 1 l ntE Press blue button to select the set digits interval time ai carts o second Use Cv or LA_ to change the numerical value of the set digits LILI COMP mode Set upper or lower outer save value YES or upper or lower inner NO save R value NO selection ax a Use Cy or LA to select Restore factory Press GAUE appears in the primary display to indicate return to the FCEY default factor default DA 293 www tmatlantic com Chapter 6 Maintenance Introduction This section provides some basic maintenance procedures Repair calibration and servicing not covered in this manual must be performed by qualified personnel For maintenance procedures not described in this manual contact a Service Center General Maintenance Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents Take off the battery if you will not use the meter for a long time Dirt or moisture in the terminals can affect readings and can falsely activate the Input Alert feature Clean the terminals as follows 1 Turn the meter off and remove all test leads 2 Shake out any dirt that may be in the terminals 3 Soak a new swab with alcohol Work the swab around in each terminal Testing the Fuses A Warning To avoid electrical shock or personal injury remove the test leads and any input signals before replacing the battery or fuses To pre
32. t of capacitance Nanofarad Microfarad Millifarad C F Degrees Celsius default or Fahrenheit For ac volts functions reading is shown in decibels of power above or below 1 mW dBm dBm AC DC Alternating current direct current Display the duty cycle ratio of signals when measuring frequency Bar Graph HA The polarity indicator both ends of the bar graph show the polarity of the input the arrow right of the bar graph indicates an overload condition 41000 Range display Digits display range in use O 11 888 Time displays In addition it could be used to temperature display as well Unit displays Table 2 3 Display Unit cont O 15 NO Unit Meaning O 12 te Elapsed Time Display 8888 Secondary Display and could be used to show the sequence number of the stored information O 13 kHz EN ra Unit Display of the secondary display MVSQ O 14 MEM Readings are being recorded in manual stored mode A888 e Primary Display 3 3 4 digital Continuity test function is selected O 16 gt 30 V ac and or dc may be present at the input terminals Relative measured value Diodes Test O 17 B gt In Calibration mode www tmatlantic com Pushbutton Figure 2 5 Pushbutton START SETUP oj ees LOGGING Table 2 Description SAVE COMP i 4 Pushbutton Yellow Button Function Description Note
33. to HOLD mode to determine that circuits are without power Auto HOLD mode freezes the present reading in the primary display The is displayed New readings now appear in the secondary display See Figure 2 7 When the meter detects a new stable reading gt 10 change from last stable reading it beeps and displays the new reading in the primary display ret it Dc hml aml EERREGGEEE l I I 0 t 0818 Figure 2 7 A H Mode If you remove the test leads open the input the meter retains the last frozen primary display You cannot initiate Auto HOLD while MAX MIN REL TC RTD dBm DC mV AC mV Diodes continuity Capacitance Frequency or Duty cycle ratio function is active Peak HOLD Mode A H Note Peak HOLD mode is only available in DCV V In Peak HOLD mode the meter detects refresh and displays the peak value in DCV V and display GG See figure 2 8 10 www tmatlantic com mo l a Lit to BERERATENO I I l l ANIN ULC LI Figure 2 8 P H Mode Peak HOLD mode could capture the signals of an imminent of a positive polarity as short as 1 ms except that the accuracy is low In Peak HOLD mode press to calculate the relative value and the screen will show symbol A and the relative peak value Press to clear the value off and the new peak value would be captured Using Relative Mode REL In measurement mode press C enter into relative mode
34. tween two points The polarity of ac alternating current voltage varies over time while the polarity of direct current voltage is constant over time Ranges available in volts functions are dBm e Vv 400 0mV 4 000V 40 00V 400 0V 750V e V 4 000V 40 00V 400 0V 1000V mv 40 00mV 400 0mV Measuring AC Voltage See Figure 3 1 dBm Set the rotary switch to Y position and AC V will be on display Insert the black lead into COM terminal and the red lead to into the QPFV terminal Connect the leads to the testing power Read the measuring results from the screen see ra Press to display the frequency and duty cycle ratio of the tested signals i WI eaaa gt y yo yp x S dBm E A mA Eri j a m p y Je o j vev ion 7 A I a A mApA COM OV f A YAO AMAG T Figure 3 1 AC Voltage Measurement 13 www tmatlantic com AWarning Do not apply more than DC 1000 V or AC 750 rms voltage the meter will possible be damaged though the value could be displayed Indicator f is on display for safety note when 30 V ac and or dc voltage present at the input terminals The meter beeps constantly if the input voltage is more than AC 750V rms which is over the meter s range dBm Measurements in AC Volts Functions See Figure 3 2 The ac volts functions allow you to di
35. ult operating configuration of the meter by changing setup options made at the factory Many of these setup options affect general meter operations and are active in all functions Others are limited to one function or group of functions Selecting Setup Options To enter the Setup mode turn the meter on and pressras In the Setup mode each setup option appears in the secondary display and the default value appears in the primary display Press ms to change the setup option Press to store the set value SAVE on the primary display indicates the maintained item has been stored To exit the Setup mode power off Table 5 1 Changing the Default Settings Factory Selection Function Default Set Range 0 to 60min 10min for each change 10 APOE Power off time Set zero to cancel auto power off function U minutes Use C7 or LA to increment or decrement digit Set Range 0 to 9000s 30s for each change 30 bLOF Backlight time Set zero to cancel auto backlight function 1 Use C7 or LA to increment or decrement digit seconds AS dBm reference Use Cv or CA to select reference value 502 75Q 93Q 100Q 150Q 6002 TAR value 3009 6002 8009 12009 24002 Set Range 0 to 3000 min SEAR LOS mode P i butt to select the set digit 9 starting time ress blue button to select the se igits 7 minute Use Cv or LA_ to change the numerical value of the set digits Set Range 0 to 7200S i LOG mode g
36. vent damage or injury install ONLY specified replacement fuses with the amperage voltage and speed ratings To check the fuse proceed as follows 1 Set the rotary switch on mA 2 Insert the black lead to COM jack and red lead to mA jack 3 Using an ohmmeter check the resistance between the meter tested leads If the resistance is about 1Q the fuse is good An open reading means that fuse F1 is blown 4 Set the rotary switch on A Insert the black lead to COM jack and red lead to A jack 6 Using an ohmmeter check the resistance between the meter tested leads If the resistance is about 0 01Q the fuse is good An open reading means that fuse F2 is blown Table 6 1 Fuse Specifications os Fl 10A 250V FAST 6x25mm F2 0 5A 250V FAST 5x20mm Replacing the Fuses A Warning To avoid electrical shock or damage to the meter only use replacement fuses specified in Table 6 1 Referring to Figure 6 1 replace the meter s fuses as follows 1 Turn the rotary switch to OFF and remove the test leads from the terminals 2 Take off protector of the meter Then remove the battery access door by using a standard blade screwdriver to turn the battery door screws one quarter turn counterclockwise 3 Remove either fuses by gently prying one end loose then sliding the fuse out of its bracket 4 Install ONLY specified replacement fuses with the amperage voltage and speed ratings 5 Reinstall the battery door Secure the door
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