datasheet - AEMC Instruments
Contents
1. 1kHz to 3kHz lt 2 of mV output 150A Range 40Hz to 1kHz lt 0 7 of mV output 1kHz to 3kHz lt 0 7 of mV output Influence of Temperature lt 200 ppm K or 0 2 of mV output per 10 Influence of Humidity 10 to 90 RH lt 0 2 of mV output per 10 K 18 to 28 C MECHANICAL SPECIFICATIONS Operating Temperature 14 to 131 F 10 to 55 C Storage Temperature 40 to 158 F 40 to 70 C Operating Relative Humidity 10 to35 C 85 RH without roll off above 35 C Maximum Cable Diameter One 0 78 20mm bus bar 20 x 5 mm Case Protection IP 40 IEC 529 Drop Test Test per IEC 68 2 32 1 0 m drop on 38mm of Oak on concrete Test per IEC 68 2 27 Vibration Test per IEC 68 2 6 Dimensions 5 47 x 2 00 x 1 18 139 x 51 x 30mm Weight 180g 6 502 Polycarbonate Material Jaws Polycarbonate with 10 fiberglass charge Red UL 94 VO Case Polycarbonate 920A Gray Opening Operations Life gt 50 000 Output Double reinforced insulated 5 ft 1 5m lead with safety 4mm banana plug SAFETY SPECIFICATIONS ce o g Electrical Double insulation or reinforced insulation between the primary or secondary and the outer case of the handle conforms to IEC 1010 2 32 Common Mode Voltage 600V Category Ill Pollution Degree 2 Electromagnetic Compatibility Emissivity EN61326 1 Class B Electrostatic discharge IEC 1000 4 2 Radiated field IEC 1000 4 3 Fast transients2. AC Current Probe Model MN379 User Manual DESCRIPTION The MN379 Catalog 2153 01 is the latest in compact AC current probes Designed to meet the most stringent demands in industry and electrical contracting it also meets the latest safety and performance standards The probe has a measurement range up to 120Arms a range and resolution capable of displaying 10mV of output per amp of measured current a voltmeter accuracy of 0 5 or better to take full advantage of the accuracy of the probe and an input impedance of 1MQ WARNING The safety warnings are provided to ensure the safety of personnel and proper operation of the instrument Read the instruction completely Use caution on any circuit potentially high voltages and currents may be present and may pose a shock hazard Do not use the probe if damaged Always connect the current probe to the measuring device before it is connected around the conductor Do not use on non insulated conductor with a potential to ground greater than 600V CAT III pollution 2 Use extreme caution when clamping around bare conductors or bus bars Before each use inspect the probe look for cracks in housing or output cable insulation Do not use clamp in wet environment or in locations that hazardous gases exist Do not use the probe anywhere beyond the tactile barrier INTERNATIONAL ELECTRICAL SYMBOLS m This symbol signifies that the current probe is protected by double or reinforced insul
3. IEC 1000 4 4 Magnetic field at 50 60Hz IEC 1000 4 8 ORDERING INFORMATION AC Current Probe MN379 Cat 2153 01 Includes a user manual Accessories Banana plug adapter to non recessed plug Cat 1017 45 Adapter Banana Female BNC Male XM BB 0 Cat 2118 46 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 MN379 Connect the black lead of the current probe to common and the red lead to the AC voltage input on your DMM or other voltage measuring instrument The AC current probe has an output of 200mV A and 10mV A This means that with the probe in the 10mV A position for 100A AC in a conductor around which the probe is clamped 1V AC will come out of the probe leads to your DMM or instrument Select the range which corresponds to the measured current If the current magnitude is unknown start with the probe in the 10mV A position and if the current is lt 5 amps the probe can be switched to the 200mV A position for the higher resolution Clamp the probe around the conductor With the probe in the 10mV A position take the reading on the meter and multiply it by 100 to obtain the measured current e g 160mV reading 160 x 100 16 000mA or 16A The 5A range is design to measure on 5A current transformer The output is 1V rms for 5A measured Enter a scale factor in the meter if possib
4. ation Use only factory specified replacement parts when servicing the instrument A 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 CATI 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 that 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 with the carrier and notify your distributor at once giving a detailed description of any damage GJ AEMG INSTRUMENTS 2 56 65 mm 83 21 mm q a TY LON aN MS
5. ie n 73 18 5 mm aie Tactical Barrier keep hands below this barrier ww 6 4 2S 2 00 51 mm ELECTRICAL SPECIFICATIONS Nominal Range 5A 100A Measurement Range 5A 0 005 to 6A 100A 0 1 to 120A Transformation Ratio Voltage output Output Signal 5A 200mV A 100A 10mV A Accuracy and Phase Shift 5A Range Accuracy Ip 0 005A_ 0 05A 0 5A 5A is 1 5 6 Vs 0 02mV 1 5 1 1 Phase 6 5 5 145 4 100A Range Accuracy Ip 0 1A 1A 10A 100A 1 Vs 0 02mV 1 1 1 Phase 3 2 2 2 22 22 Reference conditions 18 C to 28 C 20 to 75 RH external magnetic field lt 40 A m 48 to 65Hz sine wave distortion factor less than 1 no DC component no external current carrying conductor test sample centered Load impedance gt 1MQ Frequency Range 40 to 10kHz Limit Operating Conditions 200A MAX to 1kHz Derating above 1kHz 200A x 1 F F in kHz Working Voltage 600Vrms Common Mode Voltage 600Vrms Influence of Adjacent Conductor lt 15mA A at 50Hz Influence of DC on AC signal 5A Range DC Current lt 1A lt 3 100A Range DC Current lt 10A lt 10 Influence of Conductor Position in Jaw 0 5 of mV output 50 60Hz Influence of Frequency 5A Range 40Hz to 1kHz lt 0 7 of mV output
6. le for direct reading For best accuracy 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 Failure 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 Warning e For maintenance use only original factory replacement parts e To avoid electrical shock do not attempt to perform any servicing unless you are qualified to do so e 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 calib
7. ration 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 360 603 749 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 ee 09 AN 100373 v1 05 1
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