IDEAL INDUSTRIES Welder 61-340 User's Manual
Contents
1. P _ Press the SELECT button to select the PE function The DVM display should display OL 3 Insert a Si diode with correct polarity and rne Nia The meter display should read within 0 5 0 7Vdc 4 Reverse polarity on the Si diode The meter display should read OL Checking the Continuity Function for 61 340 61 342 To check the diode test function do the following VQ 1 Connect the DVM Digital Voltage Meter to the n Hz 4 and COM inputs on the meter Q Pt 2 Turn the meter s rotary switch to 4 a Press the SELECT button to select the function b The DVM display should display OL 3 Insert a 500 resistor a The meter inner beeper will sound Form Number TM61340 2 Rev 2 November 2007 Page 20 Testing the Frequency Function for 61 340 61 342 To verify the accuracy of the meter s frequency function do the following V QQ 1 Connect the calibrator to the 1 Hz4 and COM inputs on the meter 2 Note The accuracy of the calibrator s frequency function must be appropriate for the specified accuracy of the meter 3 Set the rotary switch to Hz 4 Set the calibrator or function generator for the square wave voltage and frequency for steps 1 6 of Table 7a 5 Compare the reading on the meter display with the display reading shown in Table 7a 6 Ifthe display reading falls outside of the range shown in Table 7a the meter does not meet specification Table 72. Testing the AC A function for 61 340 61 342 1 Connect the calibrator to the 10A and COM inputs on the meter 2 Turn the rotary switch to Al a Press the SELECT button to select the AC function b Press the REL button to make the display is zero 3 Apply the inputs for steps 1 4 in Table 4c 4 For each input compare the reading on the meter display to the reading for your meter in Table 4c 5 Ifthe display reading falls outside of the range shown in Table 4c the meter does not meet specification Table 4c AC A Test sep Source Frequency Reading 3 000A 400Hz 2 920 to 3 080 10A 10A 400Hz 9 70 to 10 30 Form Number TM61340 2 Rev 2 November 2007 Page 18 Testing the Resistance Function for 61 340 61 342 To verify the accuracy of the resistance function do the following V Q gt 1 Connect the calibrator to n Hz 4 and COM on the meter Q gt F 2 Turn the rotary switch to 4 a Press the SELECT button to select the Q function 3 Apply the inputs for step 1 7 in Table 5 4 Compare the meter display readings to the display readings in Table 5 5 If the display reading falls outside of the range shown in Table 5 the meter does not meet specification Table 5 O Resistance Test step Range source Reading 4MQ 3 000MQ 2 968 to 3 032 40MQ 30 00MQ 29 35 to 30 65 Lead resistance on the 400Q range is not included in error e 298103082 E 2935103065 Testing the Capacitance Function
3. 0 10A Accuracy AC 40Hz to 1KHz 0 08 Basic DC 0 02 Basic Frequency Source 1 00Hz 10MHz Accuracy 0 001 Amplitude 0 5V p p 5 0V p p square wave Accuracy 5 Resistance Range 10 100MO Accuracy 0 03 Basic Capacitance Range 1pF 10mF Accuracy 0 10 Basic Form Number TM61340 2 Rev 2 November 2007 Page 11 Basic Maintenance A Warning To avoid shock remove the test leads and any input signals before opening the case or replacing the battery or fuses Opening the Meter Case A Caution To avoid unintentional shock circuit always place the uncovered meter assembly on a protective surface When the case of the meter is open circuit connections are exposed 1 Disconnect test leads from any live source turn the rotary switch to OFF and remove the test leads from front terminals 2 For battery replacement follow instructions under Replacing the Battery section 3 For fuse replacement follow instructions under Fuse Replacement section Replacing the Battery The 61 340 61 342 meter are both powered by 9V types are NEDA 1604 JISOO6P IEC 6F22 1 Remove the rubber holster Remove the screw on the battery cover and open the battery cover Remove the old battery and install the new battery Return the battery cover and reinstall the battery cover screw Replace the rubber boot O e w N Battery and Fuse Replacement Figure 1 Form Number TM61340 2 Rev 2 November 2007 Pag
4. reading 5 digits 1 4000A A AOE 500mA 250V Fast 40 00mA 10uA 2 0 reading 5 digits Blow Fuse 400 0mA a Overload Protection pA mA Input 500mA 250V Fast Blow fuse 61 340 61 342 4b AC Current 61 340 61 342 Input Protection 4 000A 0 001mA 2 5 reading 5 digits 10A 250V Fast Blow 10 00A 0 01mA 40Hz 400Hz Fuse Overload Protection A Input 10A 250V fast blow fuse AC Conversion Type AC conversions are True RMS responding calibrated to the sine wave input 1 The specified accuracy is for sine wave at full scale and non sine wave at half scale with crest factor up to 2 Caution Do not make high current measurements on the 10A scale for longer that 15 seconds This should be followed by a 15 minute cool down period Exceeding 15 seconds may cause damage to the meter and or the test leads Form Number TM61340 2 Rev 2 November 2007 Page 6 5 Resistance for 61 340 61 342 Over voltage Range Resolution O aceway 3 protection 400 00 4 1 2 reading 5 digits 4 000K0 40 00KQ 100 1 0 reading 2 digits 600Vrms 400 0KO 1000 4 000MO 1 2 reading 2 digits 40 00MQ 10KQ 2 0 reading 5 digits Open circuit Voltage 0 44V approx 1 lt 5 digit of reading rolling 2 lt 2 of reading rolling 6 Diode Check and Continuity for 61 340 61 342 Range Resolution Accurac mon Lee TOA APAN J y Current Circuit Voltage Not specified lt 1mA a
5. A function then press RANGE button to select 10Arange 2 Using a small flat tipped screwdriver adjust VR4 until the display reads 0 to 3 digits 3 Press RANGE button to select 4A range and adjust VR5 until the display reads same as the digits at AC 10A range 0 to 3 digits mS 4 Set the rotary switch to position Vi for the AC Volts Function V Q gt 5 Set the output of the calibrator for 3 000V at 60Hz and connect to Hz4 and com input terminals on meter Form Number TM61340 2 Rev 2 November 2007 Page 23 6 Using a small flat tipped screwdriver adjust VRtr until the display reads 2 995 to 3 005Volts 7 Disconnect the AC calibrator from the meter C TEMP Calibration Adjust VR3 1 Set the rotary switch to the F C position 2 Set the output of the calibrator to 300 C A m 3 Connect the calibrator temperature output to the F C land COM input terminals 4 Using a small flat tipped screwdriver to adjust VR3 for a 300 C 1 C 299 to 301 display Form Number TM61340 2 Rev 2 November 2007
6. for 61 340 61 342 The meter measures capacitance by charging the capacitor with a known direct current measuring the resultant voltage and calculating the capacitance If the same capacitance is measured on an impedance bridge a different reading may result This variance is likely to be greater at higher frequencies To verify the accuracy of the capacitance measuring function do the Following V Q gt 1 Apply the capacitor to the n Hz 4 and COM inputs on the meter For steps 1 through 7 in Table 6 Q PF 2 Turn the rotary switch to 4 a Press the SELECT button to select the function b Press the REL button to make the display is zero 3 Compare the reading on the meter display to the reading in Table 6 4 Note The meter selects the proper range automatically Each measurement takes about one second per range readings gt 40 00uUF will take 2 5 to 30 seconds 5 Ifthe display reading falls outside of the range shown in Table 6 the meter does not meet specification Form Number TM61340 2 Rev 2 November 2007 Page 19 Table 6 Capacitance Test step Rano soues roang 2008 03 006 2505103096 uF 7 905 10 3 096 Te tom tour soos Checking the Diode Test Function for 61 340 61 342 To check the diode test function do the following V Q 1 Connect the DVM Digital Voltage Meter to the n Hz 4 and COM inputs on the meter Q or Forward Bias 2 Turn the meter s rotary switch to 4
7. not effect on frequency diode and continuity test function Press this button less than 2 seconds the meter enter relative measuring state and A symbol appear on LCD 15 Hz DUTY When you make frequency AC voltage or AC current measurement press this button to switch Hz or duty cycle test mode 16 MAX MIN Press MAX MIN button the meter enter Maximum value Minimum value record mode and MAX MIN symbol appear on LCD the LCD will display the maximum value or minimum value science pressing the button always Press MAX MIN more than 2 seconds button again to exit this mode and MAX MIN symbol disappear on display This button do not effect on diode and continuity test function capacitance measurement frequency measurement Form Number TM61340 2 Rev 2 November 2007 Page 9 Physical and Environmental Characteristics Characteristics Description 180mm H x91mm W x43mm D with holster Dimensions HxWxD 7 1 H x 3 6 W x1 7 D Weight with battery amp holster 0 379Kg 13 4 oz Environmental characteristics Description Temperature operating 0 to 40 C Non Operating 20 to 60 C lt 75 R H Humidity operating lt 70 R H Altitude 6561 7 Ft 2000m Indoor Use Indoor Use Certifications and compliances Safety Complies with UL 61010B 1 V Q UL 61010B 1 UL 61010 B 2 031 EU 61010 1 Inout Safety Rati i ss sre ee EN61010 2 031 Cat IV 600Volts Cat III 1000V C
8. AT IV Service drop to service entrance CAT II 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 Pollution Degree 2 Pollutants may be present Meets the 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 specifica tions as listed in the official Journal of the European Communities EC Declaration En 55011 Class A Radiated and Conducted of Conformity Emissions En 50082 1 Immunity IEC 801 2 Electrostatic Discharge IEC 801 3 RF Radiated En 61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Form Number TM61340 2 Rev 2 November 2007 Page 10 Required Equipment Required equipment is listed in Table B If the recommended models are not available equipment with equivalent specifications may be used Repairs or servicing should be performed only by qualified personnel Table B Required Equipment Equipment Required Characteristics Recommended Model Calibrator AC Voltage Range 0 750V AC Fluke 5500 or Wavetek Accuracy 0 07 Basic 9100 Calibrator or equipment Frequency Range 40 1KHz Accuracy 2 DC Voltage Range 0 1000V DC Accuracy 0 006 Basic Current Range
9. IDEAL INDUSTRIES INC TECHNICAL MANUAL MODEL 61 340 MODEL 61 342 Multimeter Service Information The Service Information provides the following information e Precautions and safety information Specifications Basic maintenance cleaning replacing the battery and fuses Performance test procedures Calibration and calibration adjustment procedures a aia J j iels 61 340 toun un TOD A gt o em i tt ih i wuss Form Number 1TM61340 2 Revision 2 Date November 2007 Form Number TM61340 2 Rev 2 November 2007 TABLE OF CONTENTS Introduction Precautions and Safety Information Symbols Safety Specifications General Specifications Measurement Characteristics Voltage Specifications Current Specifications Resistance Diode Continuity Capacitance Specifications Frequency Temperature Specifications Auto Power Off Data Hold Backlight SELECT RANGE REL Hz DUTY MAX MIN Physical and Environment Characteristics Certifications and Compliances Required Equipment Basic Maintenance Opening the Meter Case Replacing the Battery Replacing Fuses Fuse Replacement Cleaning Performance Tests Testing the Display Testing the Voltage Function Testing the DC Current Functions Testing the AC Current Functions Testing the Resistance Function Testing the Capacitance Diode Continuity Functions Testing the Frequency Function Testing the DUTY CYCLE Function Testing the Temp
10. a Frequency Test Testing the Duty Cycle Function for 61 340 61 342 To verify the accuracy of the meter s frequency function do the following V Q 1 Connect the calibrator to the n Hz 4 and COM inputs on the meter 2 Note The accuracy of the calibrator s frequency function must be appropriate for the specified accuracy of the meter 3 Set the rotary switch to HZ a Press the Hz DUTY button to select the DUTY CYCLE function 4 Set the calibrator or function generator for the square wave voltage and frequency as Table 7b a Compare the reading on the meter display with the display reading shown in Table 7b 6 Ifthe display reading falls outside of the range shown in Table 7b the meter does not meet specification Table 7b Duty Cycle Test Form Number TM61340 2 Rev 2 November 2007 Page 21 Testing the Temperature Function for 61 340 61 342 To verify the accuracy of the meter s temperature function do the following uA mA Connect the calibrator to the F C and COM inputs on the meter Set the rotary switch to the F C as instructed in Table 8 Set the calibrators temperature output to the source values in Table 8 for steps 1 7 Compare the reading on the meter display with the display reading shown in Table 8 If the display reading falls outside of the range shown in Table 8 the meter does not meet specification A co Table 8 Temperature Test sep Range soucs Rea
11. again to exit this mode and symbol disappear on display As data hold function this button do not effect on diode and continuity test function The secondary function of this button is backlight enable and disable If you press it more than 2 seconds the backlight will be turn on and press it more than 2 seconds again will make the backlight off 12 SELECT There are several functions at one rotary switch position press SELECT button to select function you want It allowable to select AC or DC voltage AC or DC current Resistance Diode Audible continuity or capacitance C or F temperature measurement 13 RANGE When power on meter at auto range mode press RANGE button you can select measurement range you want Range is run up with times of pressing RANGE button until its max then return the min range Press RANGE button more than 2 seconds the meter return to auto range This button do not effect on frequency duty cycle capacitance diode amp continuity test and temperature measurement Form Number TM61340 2 Rev 2 November 2007 Page 8 14 REL Press this button the meter enter relative measuring state and A symbol appear on LCD The result of the relative measurement is the difference between measuring value and reference value The reference value is produced same as momentary reading value when pressing this button press it again to exit this state and A symbol disappear on display and this button do
12. curacy Over voltage protection 400 0mV 0 8 reading 3 digits 0 8 reading 1 digits 1000VDC or 750VAC Input Impedance 10MO 2 AC Volts 61 340 61 342 Range Resolution Accuracy Over voltage protection 1 0 5 1000VDC or 750VAC Input Impedance 10M0 AC Conversion Type 61 340 Average sensing rms indication calibrated to the sine wave input 61 342 AC conversion is True RMS responding calibrated to a sinusoidal waveform Crest Factor C F Peak RMS For non sinusoidal waveform C F gt 2 add 1 to accuracy Frequency response 40 400Hz 3a DC micro amp and milli amps for 61 340 61 342 Input Protection 400 0uUA 0 1uA 0 8 reading 2 digits 4000pA 500mA 250V Fast 40 00mA 10uA Blow Fuse 0 8 reading 3 digits Overload Protection anu 500mA 250V Fast Blow fuse 61 340 61 342 Form Number TM61340 2 Rev 2 November 2007 Page 5 3b DC Current 61 340 61 342 Input Protection 4 000A ae 001A 10A 250V Fast BI 1 5 reading 5 digits ast Dow 10 00A 001A 01A Fuse Overload Protection A Input 10A 250V Fast Blow fuse 61 340 61 342 Caution Do not make high current measurements on the 10A scale for longer that 15 seconds This should be followed by a 15 minute cool down period Exceeding 15 seconds may cause damage to the meter and or the test leads 4a AC micro amp and milli amps Current 61 340 61 342 Input Protection 400 0uA 0 1uA 1 5
13. ding 1382 reer Form Number TM61340 2 Rev 2 November 2007 Page 22 Calibration Procedure Recalibrate your meter It is 1 recommended that the multimeter be calibrated once each year Perform calibration at an ambient temperature of 23 C 2 C and a relative humidity of lt 70 Disconnect the test leads and turn the meter off Remove the test leads from the front terminals Position the meter face down Remove the battery cover screw and the 2 bottom case cover screws Lift the end of the bottom case cover until it gently unsnaps from the case top at the end nearest the LCD A DC V Calibration Adjust VR1 1 Set the rotary switch to position V for the DC Volts function V Q p Set the output of DC calibrator for 300 0mV and connect to Hz4 and COM input terminals on meter Using a small flat tipped screwdriver adjust VR1 until the display reads 299 5 to 300 5mV Disconnect the DC calibrator from the meter B AC V Calibration Adjust VR2 Model 61 340 1 rd Set the rotary switch to position V gt for the AC Volts function V Q 4 2 Set the output of the calibrator for 3 000V at 60Hz and connect to HZ4 and COM input terminals on meter 3 Using a small flat tipped screwdriver adjust VR2 until the display reads 2 995 to 3 005Volts 4 Disconnect the AC calibrator from the meter Model 61 342 1 Set the rotary switch to position A and press SELECT button to select AC
14. e 12 Replacing Fuses A Warning To avoid electrical shock remove the test leads and any input signals before replacing the battery or fuses To prevent damage or injury INSTALL ONLY quick acting fuses with the following Volt Amp current interrupt rating F340 500mA 250V Fast Blow Fuse F342 10A 250V Fast Blow Fuse Fuse Replacement The 61 340 and 61 342 are fused in both the uA mA input and 10 amperes input ports UA mA input port is fused by a F340 500mA 250V FAST BLOW fuse 10 A input port is fused by F342 10A 250V FAST BLOW fuse 1 Remove the rubber holster Remove the screw on the battery cover and open the battery cover Remove the two screws at the bottom of back cover and a screw under the support stand Take out the old battery and remove the back case cover Replace the defective fuse with the standard rated fuse for this meter D Gi oN Return the back case cover reinsert the case screws a Itis recommended you replace the old battery with new battery Return the battery cover and reinstall the battery cover screw 8 Replace the rubber boot A Use only a fuse with the amperage interrupt voltage and speed rating specified Cleaning A Warning To avoid electrical shock or damage to the meter never allow water inside the case To avoid damaging the meter s housing never apply solvents to the meter Form Number TM61340 2 Rev 2 November 2007 Page 13 Performance Tests The following performance tests
15. e accuracy of AC and DC ren measurement functions do the following m 1 Connect the calibrator to the F C and COM inputs on the meter all 2 Turn the rotary switch to HA a Press the SELECT button to select the AC function b Press the REL button to make the display is zero 3 Apply the inputs for steps 1 6 in Table 4a 4 For each input compare the reading on the meter display to the reading for your meter in Table 4a 5 Ifthe display reading falls outside of the range shown in Table 4a the meter does not meet specification Table 4a AC microampere Test step Range Souce Freavency Reading a es oa O o S oona Cs oona soou 0 zosows0s0 e ooun soou 0 Form Number TM61340 2 Rev 2 November 2007 Page 17 Testing the AC milliampere lace or 61 340and 61 342 Am 1 Connect the calibrator to the F C and COM inputs on the meter ai ul 2 Turn the rotary switch to mA a Press the SELECT button to select the AC function b Press the REL button to make the display is zero 3 Apply the inputs for steps 1 4 in Table 4b 4 For each input compare the reading on the meter display to the reading for your meter in Table 4b 5 Ifthe display reading falls outside of the range shown in Table 4b the meter does not meet specification Table 4b ACmA Test step Range Soueo Frequency Reading 30 00mA a0oriz 20 500 306s 400 mA 300 0mA 293 5 to 306 5 400 mA 300 0mA 400Hz 293 5 to 306 5
16. erature Function Calibration Calibration Adjustment DCV ACV DCA and Temperature Functions Form Number TM61340 2 Rev 2 November 2007 Page BR iBRlolwlrm ala o 14 15 15 16 16 17 18 18 19 20 20 21 22 22 23 Page 1 Introduction A Warning To avoid shock or injury do not perform the verification tests or calibration procedures described in the manual unless you are qualified to do so The information provided in this document is for the use of qualified personnel only A caution The 61 340 serials contain parts that can be damaged by static discharge Follow the standard practices for handling static sensitive devices For additional information about IDEAL INDUSTRIES INC and its products and services visit IDEAL INDUSTRIES INC web site at www idealindustries com Precautions and Safety Information Use the meter only as described in the Service Manual If you do not do so the protection provided by the meter may be impaired Read the Safety Information page before servicing this product In this manual a Warning identifies conditions and actions that pose hazard s to the user a Caution identifies conditions and actions that may damage the meter or the test instruments The Symbols The symbols used on the meter and in this manual are explained in Table A Table A The Symbols Risk of electric shock A see instruction card Caution information pomessuement E Equipment p
17. meet specification Table 3a DC microamperes Test Step Range Source Reading 400pA 4 0uA 3 5 to 4 5 400HA 300 0uA 297 4 to 302 6 4000A 3000A 2974 to 3026 Testing the DC milli amperes runean gor 61 340 and 61 342 A m 1 Connect the calibrator to the F C and COM inputs on the meter ii ll 2 Turn the rotary switch to mA a Press the SEL button to select the DC function 3 Apply the inputs for steps 1 4 in Table 3b 4 For each input compare the reading on the meter display to the reading for your meter in Table 3b 5 Ifthe display reading falls outside of the range shown in Table 3b the meter does not meet specification Form Number TM61340 2 Rev 2 November 2007 Page 16 Table 3b DC mA Test Step Range Source Reading 30 00mA 70 73 10 3027 400mA 300 0mA 297 3 to 302 7 Testing the DC ampere Function for 61 340 and 61 342 1 Connect the calibrator to the 10A and COM inputs on the meter 2 Turn the rotary switch to A a Press the SELECT button to select the DC function 3 Apply the inputs for steps 1 2 in Table 3c 4 For each input compare the reading on the meter display to the reading for your meter in Table 3c 5 Ifthe display reading falls outside of the range shown in Table 3c the meter does not meet specification Table 3c DCA Test Step Range Source Reading 3 0008 7 950 10 3 050 10 00 3 800 10 2 Testing the AC microampere Function for 61 340 and 61 342 To verify th
18. outside of the range shown in Table 1 the meter does not meet specification Table 1 DC Voltage Test step Range pat Reng am 6 ov sooov 875103025 Turn the rotary switch to position V gt Set the calibration for the voltage and frequency from step 1 to 10 in Table 2 Compare the reading on the meter display with the display reading shown in Table 2 em ef If the display reading falls outside of the range shown in Table 2 the meter does not meet specification Form Number TM61340 2 Rev 2 November 2007 Page 15 Table 2 AC Voltage Test 400V 300mv 2956103044 6 to304 4 295 6103044 6 to304 4 D 400mV 300mV 295 6 to304 4 295 6 to304 4 3 a 3 000V 2 965 to 3 035 2 2 965 03 035 to 3 035 ESEE 3 000V 400Hz 2 965 to 3 035 2 965 to 3 035 me av sooo oor 2065102035 2065103035 Ts wav ooov oor 265030835 2065100005 ef ray ray cone sora oora Testing the DC microamperes Function for 61 340 and 61 342 To verify the accuracy of AC and DC garent measurement functions do the following m 1 Connect the calibrator to the F C and COM inputs on the meter 2 Turn the rotary switch to WA a Press the SELECT button to select the DC function 3 Apply the inputs for steps 1 3 in Table 3a 4 For each input compare the reading on the meter display to the reading for your meter in Table 3a 5 Ifthe display reading falls outside of the range shown in Table 3a the meter does not
19. pprox 2 5V approx Overload Protection Not specified Continuity Built in buzzer sounds when resistance is less than approximately 120 with a response time of approximately 100 msec 7 Capacitance for 61 340 61 342 Over voltage Poea 40 00nF 10pF REL 3 reading 10 digits 400 0nF 100pF 4 000uF 3 reading 5 digits 40 00uF 10nF 400 0uF 100nF ait tel 20 reading 5 digits 4000uF 10uF 1 In this range the reading maybe rolling within specification j Specify reading lt half full scale of range Note The meter selects the proper range automatically Each measurement takes about one second per range Readings gt 40 00uF will take 8 seconds or greater Form Number TM61340 2 Rev 2 November 2007 Page 7 8 Frequency for 61 340 61 342 Overload Range Resolution Sensitivity Accuracy protection ite iHz z cen ey ity 600V ms ee t0KH2 4 000MHz 10KHz 9 Temperature Type K thermocouple for 61 340 61 342 Overload Range Resolution Accuracy protection 50 to 750 C 3 0 3 C A Not Specified 58 to1382 F 3 0 5 F 10 Auto Power Off APO If the meter idles for more than 10 minutes the meter automatically turns the power off 11 Data Hold Backlight Press this button less than 2 seconds the meter enter data hold mode and symbol appear on LCD and the momentary value while pressing the button display on LCD Press it
20. r 2007 SPECIFICATIONS Page 3 All specifications are warranted unless noted typical and apply to the 61 340 amp 61 342 Stated accuracies are at 23 C 5 C at less than 75 relative humidity and without the battery indicator displayed General specifications Characteristics Display count Numeric update rate Polarity display Over range display Low battery indicator Automatic power off time Power source Maximum input voltage Maximum floating voltage Maximum input current Overload protection mA connector Overload protection 10A connector V connector UA mA connector Temperature Coefficient Battery Life Form Number TM61340 2 Description 3 3 4 digit liquid crystal display max count 4000 2 5 times sec Automatic OL is displayed is indicated Automatic power off 10minutes 9 0V battery types NEDA 1604 JISOOG6P IEC6F22 for both 61 340 and 61 342 1000Vrms CAT III between V and COM 1000Vrms CAT III between any terminal and earth ground 400mA between uA mA and COM 500mA 250V fast blow fuse 10A 250V fast blow fuse V V Q gt F dE Hz uA mA Temp 0 1x Spec Accuracy per C lt 18 C or gt 28 C Alkaline 9V 200 hours for 61 340 Alkaline 9V 150 hours for 61 342 Rev 2 November 2007 Page 4 Measurement Characteristics Accuracy is reading number of digits at 23 C 5 C less than 75 R H 1 DC Volts for 61 340 61 342 Range Resolution Ac
21. rotected by double or reinforced insulation Form Number TM61340 2 Rev 2 November 2007 Page 2 SAFETY Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use the product only as specified For operating instructions see the 61 340 61 342 Digital Multimeter Instruction Manual Z CAUTION These statements identify conditions or practices that could result in damage to the equipment or other property A WARNING These statements identify conditions or practices that could result in personal injury or loss of life Use proper Fuse To avoid fire hazard use only the fuse type and rating specified for this product Do not operate without covers To avoid personal injury do not apply any voltage or current to the product without covers in place Do Not Exceed the maximum rated input limits as marked on the meter Electric overload Never apply a voltage to a connector on the product that is outside the range specified for that connector Avoid electric shock To avoid injury or loss of life do not connect or disconnect probes or test leads while they are connected to a voltage source Do not operate in wet damp conditions To avoid electric shock do not operate this product in wet or damp conditions Use great care when you are required to make measurements on live circuits that exceed 50V Form Number TM61340 2 Rev 2 Novembe
22. verify the complete operability of the meter and check the accuracy of each meter function against the meter s specifications For operating instructions see the 61 340 61 342 Digital Multimeter Instruction Manual Accuracy specifications are valid for a period of one year after calibration when measured at an operating temperature of 18 C to 28 C and a maximum of 75 relative humidity To perform the following tests it is not necessary to open the case no adjustments are necessary merely make the required connections apply the designated inputs and determine if the reading on the meter display falls within the acceptable range indicated If the meter fails any of these tests it needs calibration adjustment or repair Testing the Display Turning the meter on from the OFF position the meter will full display all segment and symbols Compare the display with the example in Figure 2 LCD Graphics 61 340 61 342 Figure 2 Display Test Form Number TM61340 2 Rev 2 November 2007 Page 14 Testing the Voltage Function for 61 340 61 342 To verify accuracy in the AC and DC voltage ranges do the following 1 Turn the rotary switch to V gt position V Q Connect the calibrator to the n Hz 4 and COM inputs on the meter Set the calibrator for the voltage from step 1 to 7 in Table 1 Compare the reading on the meter display with the display reading shown in Table 1 c a I If the display reading falls
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