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AEMC instruments 1015, User Manual

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AEMC instruments 1015 User Manual Download Page 19

Megohmmeter Model 1015 

19 

4.4 RESISTANCE MEASUREMENTS

•  Set the switch to the 1000 

Ω

 position. The measurement is done 

automatically; 

you do not need to press the yellow button.

•  Read the value on the white scale (0 to 10) 

Ω

, then multiply the reading by 

100 to get the actual value measured.

•  Return to 

OFF

 after use.

Summary of Contents for 1015

Page 1: ...E N G L I S H Megohmmeter Model 1015 User Manual ENGLISH MEGOHMMETERS WITH AEMC INSTRUMENTS ...

Page 2: ...742 2346 This documentation is provided as is without warranty of any kind express implied or otherwise Chauvin Arnoux Inc has made every reasonable effort to ensure that this documentation is accurate but does not warrant the accuracy or completeness of the text graphics or other information contained in this documentation Chauvin Arnoux Inc shall not be liable for any damages special indirect in...

Page 3: ...at the time of purchase or obtained by returning the instrument to our repair and calibration facility for a nominal charge The recommended calibration interval for this instrument is 12 months and begins on the date of receipt by the customer For recalibration please use our calibration services Refer to our repair and calibration section at www aemc com Serial Catalog 1403 01 Model 1015 Please f...

Page 4: ... 4 1 SAFETY CHECK VOLTAGE TEST 12 4 2 INSULATION RESISTANCE TESTING MΩ RANGE 12 4 2 1 Test Voltage 12 4 2 2 Spot Testing 13 4 2 3 Ratio Testing 13 4 2 4 Tips For Successful Insulation Resistance Testing 14 4 2 5 Insulation Measurement Connections 14 4 2 6 Insulation Resistance Measurements on Motors 17 4 3 CONTINUITY MEASUREMENTS 18 4 4 RESISTANCE MEASUREMENTS 19 5 MAINTENANCE 20 5 1 BATTERY TEST ...

Page 5: ...rmation to acknowledge This product complies with the Low Voltage Electromagnetic Compatibility European directives 73 23 CEE 89 336 CEE In the European Union this product is subject to a separate collection system for recycling electrical and electronic components in accordance with directive WEEE 2002 96 EC Definition of Measurement Categories CAT CAT IV corresponds to measurements performed at ...

Page 6: ... prevent electrical shock to themselves and to others AEMC considers the use of rubber gloves to be an excellent safety practice even if the equipment is properly operated and correctly grounded When testing capacitance samples make sure that they have been properly discharged and that they are safe to touch Dielectric insulation samples should be short circuited for at least five times the amount...

Page 7: ...user manual 1 3 1 Accessories and Replacement Parts Lead set of 2 5 ft silicone color coded red black with 4 mm straight right banana plugs rated 1000 V CAT IV UL Cat 5000 94 Clip Safety Alligator black 1000 V CAT IV 15 A UL V2 Cat 5000 99 Probe black test probe rated 1000 V CAT IV 15 A UL V2 Cat 5000 97 Carrying Case Cat 2119 02 Fuses set of 5 1 6 A Cat 2970 22 Order Accessories and Replacement P...

Page 8: ...s a range of green for a good battery and a range of red or lower for a defective battery A built in battery tester is provided by simply pressing the yellow push button when the selector switch is in the OFF position Voltmeter safety check with a range of 0 to 600 VAC is standard and works when the selector switch is in the 500 V position or the 1000 V posi tion 2 2 FEATURES Measures insulation a...

Page 9: ...CONTROL FEATURES Figure 2 1 Line terminal 2 Earth Ground terminal 3 Mechanical zero adjustment screws 4 4 position rotary switch 5 Protective rubber housing 6 Push to test button 7 Battery check and indication display 1 2 3 4 5 6 7 ...

Page 10: ... Discharging Time Auto 1 s µF CONTINUITY TESTS Range 0 to 10 Ω 0 to 10 Ω Short Circuit Current 200 mA Open Circuit Voltage 4 5 to 6 5 V Accuracy 3 full scale RESISTANCE TESTS Range 0 to 1000 Ω Short Circuit Current 2 mA Open Circuit Voltage 4 5 to 6 5 V Accuracy 3 full scale VOLTAGE TESTS Safety Check Voltage Range 0 to 600 VAC Frequency 45 to 400 Hz Accuracy 3 of full scale Input Impedance 300 kΩ...

Page 11: ... 3 3 SAFETY SPECIFICATIONS IEC 1010 1 Safety requirements for electrical equipment for measure ment control and laboratory use VDE 0413 1 Insulation testers VDE 0413 4 Ohmmeters VDE 0100 Specifications for the creation of high current installations of nominal voltage less than 1000V IEC 801 Electromagnetic compatibility for measurement and control equipment in industrial processes Part 2 Sections ...

Page 12: ...nnect and read on the voltage scale 600 VAC max You do not need to press the yellow button to measure voltage NOTE If measuring voltage on a DC circuit the pointer will deflect but the measurement may be inaccurate 4 2 INSULATION RESISTANCE TESTING MΩ RANGE After checking for a live circuit see Safety Check above connect the megohmmeter Several connection examples are illustrated in Figures 3 thro...

Page 13: ...ould be considered It is not unusual for a winding to be 10 to 100 times the recommended minimum value IEEE Std 43 1974 Recommended Practice for Testing Insulation Resistance of Rotating Machinery but this varies with tem perature and humidity 4 2 3 Ratio Testing In time resistance reading Dielectric Absorption Ratio readings are taken at 30 and 60 seconds to obtain the dielectric absorption ratio...

Page 14: ...ce temperature see IEEE Std 43 1974 Temperature Correction Curve Know what you are testing Isolate the piece of equipment from other circuitry Watch trends rather than relying on single spot readings 4 2 5 Insulation Measurement Connections Figure 3 shows the connections to measure the insulation of one conduc tor to the other conductors The cable should be disconnected at both ends to avoid leaka...

Page 15: ...0 V 1000 Ω AEMC I N S T R U M E N T S MEGOHMMETER MODEL 1015 Battery Check 10 Ω 10 Ω 0 1 0 5 1 5 10 50 100 500 1000 0 1 2 3 4 5 6 7 8 9 10 0 100 200 300 400 500 600V 600V 6 MΩ Cable Insulation Conductor Under Test OFF MΩ 1000 V MΩ 500 V 1000 Ω AEMC I N S T R U M E N T S MEGOHMMETER MODEL 1015 Battery Check 10 Ω 10 Ω 0 1 0 5 1 5 10 50 100 500 1000 0 1 2 3 4 5 6 7 8 9 10 0 100 200 300 400 500 600V 6...

Page 16: ...500 600V 600V 6 MΩ Tested Winding Transformer Grounding Lug OFF MΩ 1000 V MΩ 500 V 1000 Ω AEMC I N S T R U M E N T S MEGOHMMETER MODEL 1015 Battery Check 10 Ω 10 Ω 0 1 0 5 1 5 10 50 100 500 1000 0 1 2 3 4 5 6 7 8 9 10 0 100 200 300 400 500 600V 600V 6 MΩ Figure 7 shows the connections for measuring the insulation of a three phase line to ground by connecting the jumpers between phases This gives a...

Page 17: ...le other times the end bells must be removed to get at the lead wires of the coils By connecting the meg ohmmeter as shown the phase insulation resis tance value can now be determined Read between phases A and B then B and C then C and A OFF MΩ 1000 V MΩ 500 V 1000 Ω AEMC I N S T R U M E N T S MEGOHMMETER MODEL 1015 Battery Check 10 Ω 10 Ω 0 1 0 5 1 5 10 50 100 500 1000 0 1 2 3 4 5 6 7 8 9 10 0 10...

Page 18: ...lue If the second value is different from the preceding one add up the two readings and divide by two The reason for taking two different readings is to comply with the international standard VDE 0413 4 If your work does not require you to conform to this standard only one measurement is necessary Return to OFF after use NOTE For better measurement accuracy on the 10 Ω and the 10 Ω ranges measure ...

Page 19: ...S Set the switch to the 1000 Ω position The measurement is done automatically you do not need to press the yellow button Read the value on the white scale 0 to 10 Ω then multiply the reading by 100 to get the actual value measured Return to OFF after use ...

Page 20: ... BATTERY TEST Check that the batteries are in good working condition prior to using the instrument With the switch in the OFF position press the yellow button The batteries are good if the needle is in the green zone The batteries need replacement if the needle is in the red zone or lower The average battery life is 1000 insulation measurements of 10 s on the MΩ 500 V range for R 500 kΩ 200 insula...

Page 21: ...5 V Reverse the above procedure to install the back cover and the shock proof housing To close the back stand flush with the back cover apply light pressure at Point A in Figure 11 Figure 11 5 2 CLEANING WARNING Before cleaning disconnect all inputs to prevent possible electric shock The instrument should be cleaned periodically to keep the LCD clear and prevent the buildup of dirt and grease arou...

Page 22: ... outside of the shipping container If the instrument is returned for calibration we need to know if you want a standard calibration or a cali bration traceable to N I S T includes calibration certificate plus recorded calibration data Ship To Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 800 945 2362 Ext 360 603 749 6434 Ext 360 Fax 603 742 2346 E mail repair ...

Page 23: ...arranty registration information on file or a proof of purchase AEMC Instruments will repair or replace the faulty material at our discretion REGISTER ONLINE AT www aemc com warranty html 5 5 1 Warranty Repairs What you must do to return an Instrument for Warranty Repair First send an email to repair aemc com requesting a Customer Service Authorization Number CSA from our Service Department You wi...

Page 24: ...AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 603 749 6434 800 343 1391 Fax 603 742 2346 www aemc com 02 23 99 MAN 100089 v16 Chauvin Arnoux Inc d b a AEMC Instruments All Rights Reserved ...

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