aemc_instruments_jm8.. - Fluke
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1. Common Mode Voltage 600V Category III Pollution 2 ORDERING INFORMATION Current Probe JM861 00 Cat 2110 90 Includes a user manual and a product warranty and registration card Accessories Banana BNC Connector XF SS 4 mm banana plug 00 Cat 2111 32 Shop for AEMC products online at www D ata LoggerStore com 1 877 766 5412 OPERATION Please make sure that you have already read and fully understand the WARNING section on page 1 Making Measurements with the AC Current Probe Model JM861 Connect the black and red terminals to the Volt AC range of your DMM or voltage measuring instrument Select the appropriate voltage range If the current magnitude is unknown select the highest range 3000A AC 3V AC on the switch probe located inside the handle Clamp the probe around the conductor to be tested If the reading is less than 300 mV or 30 mV select the lower range until you obtain the best resolution Read the value display on the DMM in mV and divide it by the range selected If reading 2 59 V on the 10 mV AC A AC range the current flowing through the probe is 2590 mV 10 259A AC e For best accuracy carefully center the conductor inside the probe jaw avoid if possible the proximity of other conductors which may create noise Tips for Making Precise Measurements e When using a current probe with a meter it is important to select the range that provides the best resolution Failure2. 360 or 603 749 6434 Ext 360 Fax 603 742 2346 or 603 749 6309 repair aemc com Or contact your authorized distributor Costs for repair standard calibration and calibration traceable to N I S T are available NOTE All customers must obtain a CSA before returning any instrument TECHNICAL AND SALES ASSISTANCE If you are experiencing any technical problems or require any assistance with the proper use or application of this instrument please call our technical hotline 800 343 1391 508 698 2115 Fax 508 698 2118 Chauvin Arnoux Inc d b a AEMC Instruments techsupport aemc com www aemc com Shop for AEMC products online at www D ata LoggerStore com 1 877 766 5412 ne 99 VAN 100060 v4 06 07
3. AC Current Probe Model JM861 User Manual DESCRIPTION The JM861 Catalog 2110 90 is designed for use in industrial environments The squared jaws permit multiple conductor or bus bar positioning The Model JM861 accurately measures AC current waveforms and has proportional mV output for direct readings on oscilloscopes Three position slide switch on the handle selects ranges The JM861 offers an insulated 6 5 ft coaxial cable with insulated BNC connector rated 600V rms The Model JM861 is compatible with any AC Voltmeter multimeter or other voltage measuring instrument with an input impedance greater than 1MQ 47 pF To achieve the stated accuracy use the JM861 with a voltmeter having an accuracy of 0 75 or better WARNING These safety warnings are provided to ensure the safety of personnel and proper operation of the instrument Read the instruction manual completely and follow all the safety information before attempting to use or service this instrument Use caution on any circuit Potentially high voltages and currents may be present and may pose a shock hazard Read the Safety Specifications section prior to using the current probe Never exceed the maximum voltage ratings given Safety is the responsibility of the operator ALWAYS connect the current probe to the display device before clamping the probe onto the sample being tested ALWAYS inspect the instrument probe probe cable and output terminals prior t
4. o use Replace any defective parts immediately NEVER use the current probe on electrical conductors rated above 600V in overvoltage category III CAT III Use extreme caution when clamping around bare conductors or bus bars INTERNATIONAL ELECTRICAL SYMBOLS 0 This symbol signifies that the current probe is protected by double or reinforced insulation Use only factory specified replacement parts when servicing the instrument AN This symbol signifies CAUTION and requests that the user refer to the user manual before using the instrument This is a type A current sensor This symbol signifies that application around and removal from HAZARDOUS LIVE conductors is permitted DEFINITION OF MEASUREMENT CATEGORIES Cat l For measurements on circuits not directly connected to the AC supply wall outlet such as protected secondaries signal level and limited energy circuits Cat Il For measurements performed on circuits directly connected to the electrical distribution system Examples are measurements on household appliances or portable tools Cat Ill For measurements performed in the building installation at the distribution level such as on hardwired equipment in fixed installation and circuit breakers Cat IV For measurements performed at the primary electrical supply lt 1000V such as on primary overcurrent protection devices ripple control units or meters RECEIVING YOUR SHIPMENT Upon receiving your shipment make sure tha
5. rying conductor test sample centered Load impedance 2 1MQ 47 pF Accuracy Per IEC 185 Ampere Second Product 90 A S Frequency Range 10 to 50 kHz current derating above 5 kHz for continuous use Load Impedance 1 MO 47 pF Working Voltage 600V AC Common Mode Voltage 600V AC Influence of Adjacent Conductor 0 005A A AC Influence of Conductor in Jaw Opening 1 0 1A of reading Influence of Frequency from 10Hz to 10kHz 1 dB on all ranges Influence of DC Voltage 0 05 per A DC MECHANICAL SPECIFICATIONS Operating Temp 14 to 122 F 10 to 50 C Storage Temp 40 to 176 F 40 to 80 C Influence of Temperature lt 0 1 per 10 K Jaw Opening 3 54 90 mm Maximum Conductor Size Cable 2 52 max 64mm Bus bar 1 97 x 5 31 50 x 135 mm 2 52 x 3 94 64 x 100 mm Envelope Protection IP 20 IEC 529 Drop Test 500 mm IEC 68 2 32 Mechanical Shock 100 g IEC 68 2 27 Vibration 10 55 10 Hz 0 15 mm IEC 68 2 6 Polycarbonate Material Handles 10 fiberglass charged polycarbonate UL 94 VO Jaws ABS UL 94 V2 Dimensions 4 72 x 12 40 x 1 89 120 x 315 x 48 mm Weight 2 65 Ibs 1200 g Colors Dark gray handles with red jaws Output Insulated 6 5 ft 2 m coaxial cable with insulated BNC connector rated 600V rms SAFETY SPECIFICATIONS ce ol Electrical Double insulation or reinforced insulation between primary or secondary and outer case of handle upon IEC 1010 2 32
6. t the contents are consistent with the packing list Notify your distributor of any missing items If the equipment appears to be damaged file a claim immediately Shop for AEMC products online at www DataLoggerStore com 1 877 766 5412 E AEM INSTRUMENTS 2 52 64 mm p Cable max Pi 1 97 x 5 31 50 x 135 mm or 2 52 x 3 94 64 x 100 mm Bus Bar max ELECTRICAL SPECIFICATIONS Accuracy and Phase Shift Current Range 30A RANGE 1 to 30A AC continuous cycle 90A peak to peak Primary current 1 5A 6A 30A 1 to 300A AC continuous cycle 900A peak to peak Accuracy 2 1 mV 1 to 2400A AC continuous cycle 9000A peak to peak Ph hift 20 10 5 1 to 2400A AC continuous cycle for the asesni full temperature range 3000A if temperature is lt 35 C or 95 F 300A RANGE Output Signal Primary current 15A 60A 300A 10 mV AC A AC 0 3V at 30A Accuracy 2 0 5 mV 1 mV AC A AC 0 3V at 300A Phase shift 3 1 5 1 0 1 mV AC A AC 0 3V at 3000A Shop for AEMC products online at www DataLoggerStore com 1 877 766 5412 3000A RANGE Primary current 150A 600A 3000A Accuracy 2 0 2 mV Phase shift 3 1 5 1 Reference conditions 23 C 3 K 20 to 85 RH 48 to 65 Hz external magnetic field lt 40 A m no DC component no external current car
7. to do this may result in measurement errors e Make sure that probe jaw mating surfaces are free of dust and contamination Contaminants cause air gaps between the jaws increasing the phase shift between primary and secondary It is very critical for power measurement MAINTENANCE A Warning e For maintenance use only original replacement parts To avoid electrical shock do not attempt to perform any servicing unless you are qualified to do so To avoid electrical shock and or damage to the instrument do not get water or other foreign agents into the probe Cleaning To ensure optimum performance it is important to keep the probe jaw mating surfaces clean at all times Failure to do so may result in error in readings To clean the probe jaws use very fine sand paper fine 600 to avoid scratching the jaw then gently clean with a soft oiled cloth REPAIR AND CALIBRATION You must contact our Service Center for a Customer Service Authorization number CSA This will ensure that when your instrument arrives it will be tracked and processed promptly Please write the CSA on the outside of the shipping container If the instrument is returned for calibration we need to know if you want a standard calibration or a calibration traceable to N I S T includes calibration certificate plus recorded calibration data Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive e Dover NH 03820 USA Tel 800 945 2362 Ext
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