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IDEAL INDUSTRIES, INC. 
TECHNICAL MANUAL 
MODELS: 61-312 

61-314 

 

The Service Information provides the following information: 

 

Precautions and safety information 

 

Specifications 

 

Basic maintenance (cleaning, replacing the battery and fuses) 

 

Performance test procedures 

 

Calibration and calibration adjustment procedures 

 

 

 

 

 

Form Number:  TM61312-4 

Revision: 2. Date:  August 2007 

 
Form Number TM61312-4 

Rev 2 Aug 2007 

 

Summary of Contents for 61-312

Page 1: ... following information Precautions and safety information Specifications Basic maintenance cleaning replacing the battery and fuses Performance test procedures Calibration and calibration adjustment procedures Form Number TM61312 4 Revision 2 Date August 2007 Form Number TM61312 4 Rev 2 Aug 2007 ...

Page 2: ... and Environmental C 8 Certifications and Compliances 8 Required Equipment 9 Basic Maintenance 10 Opening the Meter Case 10 Replacing the Battery 10 Replacing Fuses 11 Fuse Replacement 11 Cleaning 11 Performance Tests 12 Testing the Display 12 T unction esting the Voltage F 13 T ns esting the DC Current Functio 14 T 14 esting the AC Current Functions 15 Testing the Resistance Function 16 T ontinui...

Page 3: ...NDUSTRIES INC web site at www idealindustries com Precautions and Safety Information Us pr pr In Ca Th e the meter only as described in the Service Manual If you do not do so the protection ovided by the meter may be impaired Read the Safety Information page before servicing this oduct this manual a Warning identifies conditions and actions that pose hazard s to the user a ution identifies conditi...

Page 4: ...r 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 s marked on the meter El outside the range specified for that connector Av or loss of life do not connect or disconnect probes or test leads while they are connected to a voltage source Do hock do not operate this product in wet or damp conditions Use ...

Page 5: ...yed Low battery indicator is indicated Automatic power off time Automatic backlight off 15minutes Power source 1 5V AAA 2 battery for 61 312 9 0V battery types NEDA 1604 JIS006P IEC6F22 fo 61 314 r Maximum input voltage 600Vrms CAT II between V and COM Maximum floating voltage 600Vrms CAT II between any terminal and earth ground Maximum input current 400mA between mA and COM Overload protection mA...

Page 6: ...e protection 4 000V 1mV 40 00V 10mV 400 0V 100mV 600V 1V 50 60Hz 1 2 5 40 400Hz 1 5 5 600V rms Input Impedance 4 5MΩ AC in Conversion Type 61 312 Average sensing rms indication calibrated to the sine wave put 2b AC Volts 61 314 only Range Resolution Accuracy Over voltage Protection 4 000V 1mV 40 00V 10mV 400 0V 100mV 600V 1V 50 60Hz 1 2 8 40 400Hz 1 5 8 600V rms Input Impedance 4 5MΩ AC onding ca ...

Page 7: ...ds e 4a AC micro amp and milli amps Current 61 312 61 314 Range Resolution Accuracy Input Protection 400 0µA 0 1μA 4000µA 1μA 40 00mA 10μA 400 0mA 0 1mA 1 5 reading 5 digits 1 40Hz 400Hz 500mA 250V Fast Blow Fuse Overload Protection mA Input 500mA 250V Fast Blow fuse 61 312 61 314 4b AC Current 61 312 61 314 Range Resolution Accuracy Input Protection 4 000A 001mA 10 00A 01mA 2 0 reading 5 digits 1...

Page 8: ...O Co re verload Protection Not specified ntinuity Built in buzzer sounds when resistance is less than approximately 30 Ω with a sponse time of approximately 100 msec 7 Capacitance for 61 312 61 314 Range Resolution Accuracy Over voltage Protection 4 000nF 1 1pF 40 00nF 10pF 3 reading 5 digits 400 0nF 100pF 4 000μF 1nF 40 00μF 10nF 100μF 100nF 3 reading 5 digits 4 000mF 1 1μF 40 00mF 1 10μF 5 readi...

Page 9: ...9 Temperature Type K thermocouple for 61 312 61 314 Range Resolution Accuracy Overload protection 20 to 300 ºC 1º 1 0 4 301 to 750 ºC 1º 3 0 5 4 to 572 ºF 1º 1 0 4 573 to 1382ºF 1º 3 0 5 Not Specified 10 Auto Power Off APO If Pr Pr the meter idles for more than 15 minutes the meter automatically turns the power off 11 Data Hold ess the HOLD button to freeze the reading in the display H will appear...

Page 10: ...service entrance CAT III Distribution level mains fixed installation CAT II Local level mains appliances portable equipment teleco CAT I Signal level special equipment or parts of equipment mmunication electronics Pollution Degree 2 Do not operate in environments where conductive Pollutants may be present E o ecifications A Radiated and Conducted Emissions atic Discharge electrical equipment for C...

Page 11: ...ipment Required Characteristics Recommended Model Calibrator AC Voltage Range 0 750V AC Accuracy 0 07 Basic Frequency Range 40 1KHz Accuracy 2 DC Voltage Range 0 1000V DC Accuracy 0 006 Basic Current Range 0 10A Accuracy AC 40Hz to 1KHz 0 08 B DC 0 asic 02 Basic Source 5 00Hz 100MHz 0 5V p p 1 0V p p square wave e 1Ω 100MΩ 0 03 Basic 0 10 Basic Frequency Accuracy 0 001 Amplitude Accuracy 5 Resista...

Page 12: ... to OFF and remove th 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 e 61 312 Meter is powered by 2 AAA 1 5V batteries e 61 314 Meter is powered by 1 9V battery types are NEDA 1604 JIS006P IEC 6F22 1 Remove the rubber holster 2 Remove th...

Page 13: ...1 Remove the rubber holster 2 Remove the two screws on the battery cover and open the battery cover 3 Remove the two screws under the battery cover 4 Unsnap or remove the old battery and remove the back case cover 5 Replace the defective fuse with the standard rated fuse for this meter 6 Return the back case cover Reinsert the case screws a It is recommended you replace the old battery s with new ...

Page 14: ... may need to power up and down several times to co LCD Graphics 61 312 61 314 e following performance tests verify the complete operability of the meter and check the curacy of each meter function against the meter s specifications r operating instructions see the 61 312 61 314 Digital Multimeter Instruction Ma erating temperature of 18 C to 28 C and a maximum of 80 relative humidity p cessary mer...

Page 15: ... display reading falls outside of the range shown in Table 1 the meter does not meet specification Table 1 DC Voltage Test Step Range Input Reading 1 400mV 300 0mV 297 2 to 302 8 2 400mV 4 0mV 3 6 to 4 4 3 400mV 300 0mV 297 2 to 302 8 4 4V 3 000V 2 972 to 3 028 5 40V 30 00V 29 72 to 30 28 6 400V 300 0V 297 2 to 302 8 7 600V 600V 591 to 609 6 Turn the rotary switch to position V Press the SEL Butto...

Page 16: ...h to µA a Press the SEL Button to select the DC function 3 Apply the inputs for steps 1 through 3 in Table 3a 4 For each input compare the reading on the meter display to the reading for your m in Table 3a eter t 5 If the display reading falls outside of the range shown in Table 3a the meter does no meet specification Table 3a DC microamperes Test Step Range Source Reading 1 400µA 4 0µA 3 5 to 4 5...

Page 17: ... falls outside of the range shown in Table 3c the meter does no meet specification Table 3c DCA Test Step Range Source Reading 1 4A 3 000A 2 959 to 3 041 2 10A 10 00A 9 80 to 10 20 To Testing the AC microampere Function for 61 312 and 61 314 verify the accuracy of AC and DC current measurement functions do the following 1 1 Connect the calibrator to the VΩ Hz and COM inputs on the meter 2 Turn the...

Page 18: ...meter display to the reading for your m in Table 4b eter t 5 If the display reading falls outside of the range shown in Table 4b the meter does no meet specification Table 4b AC mA Test Step Range Source Frequency Reading 1 40mA 30 00mA 60Hz 29 50 to 30 50 2 40mA 30 00mA 400Hz 29 50 to 30 50 3 400mA 300 0mA 60Hz 295 0 to 305 0 4 400mA 300 0mA 400Hz 295 0 to 305 0 Testing the AC A function for 61 3...

Page 19: ...on the meter 2 Turn the rotary switch to Ω 3 Apply the inputs for steps 1 through 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 Ω Resistance Test Step Range Source Reading 1 400Ω 4 0Ω 3 6 to 4 4 2 400Ω 300 0Ω 296 6 to 303 4 3 4kΩ 3 000KΩ 2 966 to...

Page 20: ...y Each measurement takes about one second per range Readings 40 00μF will take 5 to 10seconds t 4 If the display reading falls outside of the range shown in Table 6 the meter does not mee specification Table 6 Capacitance Test Step Range Source Reading 1 40nF 10 000nF 9 65 to 10 35 2 40nF 30 00nF 29 05 to 30 95 3 400nF 300 0nF 290 5 to 309 5 4 4µF 3 000µF 2 905 to 3 095 5 40 00µF 30 00µF 29 05 to ...

Page 21: ...Hz 3 Set the calibrator or function generator for the square wave voltage and frequency for steps 1 through 6 of Table 7 4 Compare the reading on the meter display with the display reading shown in Table 7 5 If the display reading falls outside of the range shown in Table 7 the meter does not meet specification Table 7 Frequency Test Step Range Source Level Reading 1 10Hz 9 0Hz 3V rms 8 969 to 9 0...

Page 22: ...in Table 8 3 Set the calibrator temperature output to the source values in Table 8 steps 1 through 7 4 Com pare the reading on the meter display with the display reading shown in Table 8 Table 8 Temperature Test ge Source Reading 5 If the display reading falls outside of the range shown in Table 8 the meter does not meet specification Step Ran 1 ºC 20 ºC 24 to 16 2 ºC 0 ºC 4 to 4 3 ºC 300 ºC 293 t...

Page 23: ...0 0mV and connect to V Ω Temp and COM input t 3 Usin R1 until the display reads 299 5 to 300 5mV 4 Disconnect the DC calibrator from the meter B AC V Calibration Adjust VR2 n V erminals on meter g a small flat tipped screwdriver adjust V 1 Set the rotary switch to positio Press the SEL button For the AC Volts put of the calibrator for 3 000V at 60Hz and connect to V Ω Temp and COM crewdriver adjus...

Page 24: ...erature output to the V Ω Temp and COM input 4 Using a small flat tipped screwdriver adjust VR5 for a 300 ºC 1 ºC 299 to 301 display ºF Calibration Adjust VR4 1 Set the rotary switch to the ºF position 2 Set the output of the calibrator to 32 ºF 3 Connect the calibrator temperature output to the V Ω Temp and COM input 4 Using a small flat tipped screwdriver adjust VR4 for a 32 ºF 1ºF 31 to 33 disp...

Page 25: ...Form Number TM61312 4 Rev 2 Aug 2007 Page 23 ...

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