Model MR411 - Chauvin Arnoux Group
Contents
1. Primary current in amperes Typical Accuracy at 50 Hz Range 150 A 10 mV A Typical Accuracy on the 1500 A Range in DC 1 10 100 1000 10 000 1 rte 0 i S amp S 1 Pal 3 S 2 lt 3 4 Primary current in amperes Typical Accuracy at 50 Hz Range 1500 A 1 mV A 19 AC DC Current Probe Models MR411 MR521 Maintenance e For maintenance use only specified replacement parts e Avoid electrical shock do not attempt to perform any servicing unless you are qualified to do so Avoid electrical shock and or damage to the instrument do not get water or other foreign agents into the case Turn the current probe OFF and disconnect the unit from all circuits before opening the case Battery Replacement When the probe is turned on the green LED should light up If it does not replace the 9V battery Completely disconnect the probe from the circuit under test and from the DMM or measuring instrument Turn the probe Off unscrew the battery compartment screw and remove cover Replace the battery and put the cover back on Do not replace the battery while the probe is in use Cleaning Clean the body of the2. 4 9 2 Definition of Measurement 90 4 455945 3 Receiving Your 5558554455 3 DOSCrIPUON 8 a 3 19 216 1116 1110161 9 75516725 777555 4 Model MR411 5444 9 Model MR521 EEA 10 DMM Display Compatibility 49 11 Operating Procedure 49 12 Making Measurements with the Model MR 12 DG Measurement ae 12 AC Measurement 54 4 13 Indicator 8119181 7 tea 13 K Olf At 13 Operation 6 detaia iinoa an 14 DC Cur
3. OUTPUT 600A 1 mV A 60A 10 mV A AC DC CURRENT PROBE Model MR 411 PJAEMC Figure 3 14 AC DC Current Probe Models MR411 amp MR521 Measuring the DC Component of an AC DC Waveform for Model MR411 e Conductor carrying 300A DC 25 0A AC e DMM placed in DC volts mode e DMM displays 300 0mV with the probe in the 600A 1mV A range 300 A DC 60A 10 mV A AC DC CURRENT PROBE Model MR 411 Figure 4 15 AC DC Current Probe Models MR411 MR521 Measuring the AC Component of an AC DC Waveform for Model MR521 e Conductor carrying 900A AC 20A DC e Voltmeter placed in AC volts mode e Voltmeter displays 900 0mV with probe in the 1500A 1mV A range 600V CAT III 1500A OUTPUT 1500A 1 150A 10 AC DC CURRENT PROBE Model MR 521 900 A AC INSTRUMENTS Figure 5 16 AC DC Current Probe Models MR411 amp MR521 Tips For Getting the Best Accuracy The Models MR411 and MR521 are capable of measuring DC and low frequency currents over a wide range Here are some key considerations for getting the most accuracy from your display instrument e When using the Models MR411 and MR521 with a DMM or other meter it is important to select the range that provides the best resolution e Make sure that probe jaw mating surfaces are f
4. or two bus bars 1 96 x 0 19 50 x 5mm Dimensions 9 31 x 3 82 x 1 73 236 5 x 97 x 44mm Weight 160z 480g AC DC Current Probe Models MR411 MR521 Common Specifications MR411 amp MR521 ELECTRICAL Frequency Range DC to 10kHz at 3dB Load Impedance gt 100k9 100 pF Insertion Impedance 0 39MQ 50 Hz 58MQ 1000Hz Working Voltage 600Vrms Common Mode Voltage 600Vrms Influence of Adjacent Conductor lt 10mA A at 50Hz at 23mm from the probe Influence of Conductor in Jaw Opening 0 5 reading DC to 440Hz Battery 9V alkaline NEDA 1604A IEC 6LR61 recommended Low Battery Green LED when battery voltage gt 6 5V Battery Life Approx 100H typical Overload Indication Red LED indicates input greater than the selected range Auto Off 10 minutes may be disabled at power up by pressing Zero button while turning on green LED blinks three times to indicate that auto off is disabled MECHANICAL Operating Temperature Range 14 to 131 F 10 to 55 C Storage Temperature Range 40 to 176 F 40 to 80 C Temperature Influence 40mA 10K typical lt 300ppm K or 0 3 10 K AC DC Current Probe Models MR411 amp MR521 Operating Relative Humidity 10 35 C 90 5 RH without condensation 40 55 C 70 5 RH without condensation RH Influence 10 35 C 90 RH at reference Temperature lt 0 5 MR411 lt 0 1 MR521 Altitude Operating 0 to 2000m Non operating 0 t
5. clamp with a cloth lightly moistened with soapy water Wipe clean with a cloth moistened with clean water and dry Do not use solvent Warranty The Models MR411 and MR521 are warranted to the owner for a period of one year from the date of original purchase against defects in manufacture This limited warranty is given by AEMC Instruments not by the distributor from whom it was purchased This warranty is void if the unit has been tampered with abused or if the defect is related to service not performed by AEMC Instruments Full warranty coverage and product registration is available on our website at www aemc com warranty html Please print the online Warranty Coverage Information for your records What AEMC Instruments will do If a malfunction occurs within the one year period you may return the instrument to us for repair provided we have your warranty registration information on file or a proof of purchase AEMC will at its option repair or replace the faulty material 20 AC DC Current Probe Models MR411 amp MR521 Repair and Calibration To ensure that your instrument meets factory specifications we recommend that it be submitted to our factory Service Center at one year intervals for recalibration or as required by other standards or internal procedures For instrument repair and calibration You must contact our Service Center for a Customer Service Authorization number CSA This will ensur
6. distortion of 0 5A 30A m 50Hz level 4 aptitude criteria A Emissions in accordance with EN 50081 1 Radiated emission through the case to EN 55022 1994 class B Conducted emission to EN 55022 1994 class B AC DC Current Probe Models MR411 amp MR521 MR411 T Figure 1 Jaws 7 Green light on when battery Conductor voltage gt 6 5V Automatic zero DC button 8 Red light overrange and incorrect zero adjustment Safety banana plug 4mm Lead 5ft 1 5m Range selection switch e On Off e 600A 14 e 60A 10 9 Protective non slip guard 21 Opo NP AC DC Current Probe Models MR411 MR521 Oy ON MR521 Y H 4 x Figure 2 Jaws 7 Green light on when battery Conductor voltage gt 6 5V Automatic zero DC button 8 Red light overrange and incorrect zero adjustment Safety banana plug 4mm Lead 5ft 1 5m Range selection switch e On Off e 1500A 1 e 150A 10mV A 9 Protective non slip guard 10 AC DC Current Probe Models MR411 amp MR521 DMM Display Compatibility The Models MR411 and MR521 current probes are compatible with any multimeter voltmeter or other voltage measuring instrument which has the following features e Input jack that accepts 4mm safety banana plug e Range and resolution capable of displaying 1mV of output p
7. the value of the current Indicator Lights Green LED and Red LED The green LED indicates that the probe is on and that the battery is good The green LED will not light under low battery conditions Replace the 9V battery if the green LED is not lit The red LED indicates a momentary or continuous overload of the instrument Readings taken while the red LED is on or flashing should be considered inaccurate Momentary or continuous currents exceeding 60A peak on the 60A range or 600A peak on the 600A range for the Model MR411 and 150A peak on the 150A range or 1500A on the 1500A range for the Model MR521 will trigger the red LED Auto Off The Models MR411 and MR521 have an Auto Off feature which turns off the instrument after 10 minutes if no control has been used When the probe is switched off by this automatic function the switch must first be set to the off position before the probe may be powered up again Auto off may be disabled at power up by the user Simply press the auto zero button at the same time as moving the switch from the OFF position to one of the ranges The green LED blinks three times to indicate that the auto off is disabled 2105 AC DC Current Probe Models MR411 MR521 Operation Examples DC Current Measurement Example for Model MR411 e Conductor carrying 25A DC in the direction of the arrow e DMM placed in DC volts mode e DMM displays 250 0mV with the probe in the 60A 10mV A range
8. 18 to 28 C 20 to 75 RH external magnetic field lt 40 A m no DC component no external current carrying conductor test sample centered 1MQ lt 100 pF load zero adjustment prior to measurement DC only DC to 65Hz Battery voltage 9V 0 1V AC DC Current Probe Models MR411 amp MR521 MR411 Specifications cont Overload 1500A DC and 1000A AC continuous up to 1kHz Noise 60A Range DC 10 182 lt 8mV DC to 5kHz lt 12mV 0 1Hz to 5kHz lt 2mV 600A Range DC to 1kHz lt 1mV DC to 5kHz lt 1 5mV 0 1Hz to 5kHz lt 500V Rise and Fall Time 60A Range lt 100us from 10 to 90 Vout 600A Range lt 70us from 10 to 90 Vout MECHANICAL Humidity Influence 10 to 90 RH reference temperature lt 0 5 Maximum Cable Diameter One 1 18 30mm or two 0 95 24mm or two bus bars 1 24 x 0 39 31 5 x 10mm Dimensions 8 8 x 3 82 x 1 73 224 x 97 x 44mm Weight 150z 440g MR521 Specifications cont Overload 1500A DC and 1000A AC continuous up to 1kHz Noise 150A Range DC to 1kHz lt 8mV DC 10 5kHz lt 12mV 0 1Hz to 582 lt 2mV 1500A Range DC to 1kHz lt 1mV DC to 5kHz lt 1 5mV 0 1Hz to 5kHz lt 500V Rise and Fall Time 150A Range lt 100us from 10 to 90 Vout 1500A Range lt 70us from 10 to 90 Vout MECHANICAL Humidity Influence 10 to 90 RH reference temperature lt 0 1 Maximum Cable Diameter One 1 6 42mm or two 0 98 25 4mm
9. AC DC Current Probes Model MR411 Model MR521 USER MANUAL Ne WT INSTRUMENTS www aemc com g Statement of Compliance Mg lt lt Chauvin Arnoux Inc d b a AEMC Instruments Mg K certifies that this instrument has been calibrated R J using standards and instruments traceable to international standards 9 W He We guarantee that at the time of shipping your He 9 instrument has met its published specifications ie X JO NIST traceable certificate may be requested at the time of purchase or obtained Ke by returning the instrument to our repair and W calibration facility for a nominal charge He X H The recommended calibration interval for this X instrument is 12 months and begins on the date of i receipt by the customer For recalibration please i use our Calibration services Refer to our repair and AE calibration section at www aemc com 1 W Serial He Catalog 1200 68 1200 69 ji Model MR411 MR521 3 ae JY K Please fill in the appropriate date as indicated Y if Date Received M Date Calibration Due 3 JI SEBEL Chauvin Arnoux Inc B d b a AEMC Instruments Table of Contents Wallin E 2 International Electrical Symbols
10. AT 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 Both models include a 9V battery warranty card and user manual Upon receiving your shipment be 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 with a detailed description of any damage Save the damaged packing container to substantiate your claim Description The MR probes are designed to meet the latest safety and performance standards Two different hook shaped jaws are offered both permitting the user to pry into or hook onto cables will accept 2 x 500 MCM or even smaller bus bars The MR series uses Hall effect technology The electronics and batteries are self contained in the handles The output of the AC DC probes is 1mV A and 10mV A An auto zero push button ensures rapid and stable zeroing There is no output filtering True RMS with DC components is possible Phase shift is excellent making the MR series well suited for power and power quality applications Model MR411 is a portable 400A AC 600A peak 600A DC current probe Model MR521 is a portable 1000A AC 1500A peak 1500A DC current probe that accurately measures AC or DC current waveforms using Hall ef
11. R exceed the maximum voltage ratings given Safety is the responsibility of the operator NEVER open the back of the instrument while connected to any circuit or input ALWAYS connect the Model MR411 or MR521 to the display device before clamping the probe onto the sample under test ALWAYS inspect the instrument and lead prior to use Replace any defective parts immediately NEVER use the Model MR411 or MR521 on electrical conductors rated above 600V International Electrical Symbols SE This symbol signifies that the instrument is protected by double or reinforced insulation Use only specified replacement parts when servicing the instrument This symbol signifies CAUTION and requests that the user refer to the user manual before using the instrument Risk of electric shock The voltage at the parts marked with this symbol may be dangerous This is a type A current sensor This symbol signifies that application around and removal from HAZARDOUS LIVE conductors is permitted AC DC Current Probe Models MR411 amp MR521 Definition of Measurement Categories 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 C
12. e 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 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 operation or application of your instrument please call mail fax or e mail our technical support hotline Chauvin Arnoux Inc d b a AEMC Instruments 200 Foxborough Boulevard Foxborough MA 02035 USA Phone 800 343 1391 508 698 2115 Fax 508 698 2118 techsupport aemc com www aemc com NOTE Do not ship Instruments to our Foxborough MA address 21 AEMC INSTRUMENTS Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 www aemc com 99 MAN 100093 v12 04 15
13. er amp of measured current e Voltmeter accuracy of 0 3 or better to take full advantage of the probe accuracy e Input impedance of 1MQ 100pF or greater When the probe is making a measurement the current carrying conductor is not broken and remains electrically isolated from the probe output As a result the probe output common may be either floated isolated or grounded A Warning User Safety Always use a DMM voltmeter or other display appropriately rated for safety all AC DC Current Probe Models MR411 MR521 Operating Procedure Making Measurements with the Models MR411 and MR521 Plug the probe into the display device e g DMM logger Note the polarity of the probe output banana plugs red positive black negative Select the appropriate range on the display device Note that the probe s outputs are 1mV A and 10mV A AC or DC Note the maximum current capability on 10mV A range Turn display device power on Turn on the Model MR the green LED should be on and the red LED off If the green indicator does not come on or goes off before the probe has operated for 10 minutes it is necessary to replace the battery see Battery Replacement pg 20 After approximately 10 minutes of operation if none of the control buttons has been manipulated power will automatically shut off see Auto Off on next page DC Measurement Select the appropriate DC mV or V range on the DMM or mea
14. fect technology Both models have proportional mV output for direct readings on multimeters recorders loggers and other instruments accepting banana plugs AC DC Current Probe Models MR411 MR521 Specifications MR411 Specifications ELECTRICAL Current Range 60A range 0 2 to 40A AC 60A Peak 0 4 to 60A DC 600A range 0 5 to 400A AC 600A Peak 0 5 to 600A DC Output Signal 10mV A on 60A range 1mV A on 600A range Accuracy and Phase Shift 60A Range 0 5 to 40A 1 5 reading 0 5A 40 to 60A DC only 1 5 reading Phase Shift 45 10 65Hz 10 to 20A lt 3 5 20 to 40A lt 3 600A Range 0 5 to 100A 1 5 reading 1A 100 to 400A 2 0 reading 400 to 600 DC only 2 5 reading Phase Shift 45 to 65Hz 10 to 100A lt 3 100 to 400A lt 2 5 MR521 Specifications ELECTRICAL Current Range 150A Range 0 2 to 100A AC 150A Peak 0 4 to 150A DC 1500A Range 0 5 to 1000A AC 1400A Peak 0 5 to 1500A DC Output Signal 10mV A on 150A range 1mV A on 1500A range Accuracy and Phase Shift 150A Range 0 5 to 100A 1 5 reading 0 5A 100 to 150A DC only 2 5 reading Phase Shift 45 to 65Hz 10 to 20A lt 3 5 20 to 100A lt 3 1500A Range 1 to 100A 1 5 reading 1A 100 to 800A 2 5 reading 0 5A 800 to 1000A 4 reading 1000 to 1200 DC only 4 reading Phase Shift 45 to 65Hz 10 to 200A lt 3 200 to 1000A lt 2 5 Reference conditions
15. o 12 000m Zero Adjustment Automatic zero 10 A by simple push button increments of 25 to 40mA Red LED goes on at push of the button and turns off when zero is reached no need to the hold button down Case protection IP30 per IEC529 Drop Test 1 0m on 38mm of oak on concrete test according to IEC 1010 Mechanical Shock 100G test per IEC 68 2 27 Vibration Test Per IEC 68 2 6 Frequency Range 5 to 15Hz amplitude 1 5mm 15 to 25Hz amplitude 1mm 25 to 55Hz amplitude 0 25mm Handle UL94 VO Jaws UL94 VO Color Dark gray with red jaws Output Double reinforced insulated 5ft 1 5m with safety 4mm banana plug AC DC Current Probe Models MR411 MR521 SAFETY Double insulation or reinforced insulation between primary secondary and outer case of handle per IEC 1010 2 032 CE 600V Category Ill Pollution 2 7850V DC dielectric between primary or secondary and outer hand held case Electromagnetic Compatibility Susceptibility in accordance with EN 50082 2 and EN 50082 1 Electrostatic discharge IEC 1000 4 2 Test voltages 4kV level 2 in contact aptitude criteria B 8kV level 3 in the air aptitude criteria B Radiated Field IEC 1000 4 3 1995 With max interference of 5 of the measurement range 3V m level 3 aptitude criteria A Fast transients IEC 1000 4 4 1995 Test voltage 1kV level 2 aptitude criteria B Magnetic fields at the frequency of the network to IEC 1000 4 8 1995 With a max
16. ree of dust and contamination e Beware of short circuit currents Large in rush DC currents which can occur when power is first applied in a circuit and large high current transients may cause varying degrees of residual readings If in doubt of a particular reading remove the probe from the conductor under test and check to see that the display device returns to zero If not it will be necessary to rezero the probe 17 AC DC Current Probe Models MR411 MR521 Typical Response Curves Model MR411 Typical Accuracy on the 60 A DC Range 0 1 10 100 Error in Primary current in amperes Typical Accuracy at 50 Hz Range 60 A 10 mV A Typical Accuracy on the 600 A DC Range 1 10 100 1000 p ee Error in Primary current in amperes Typical Accuracy at 50 Hz Range 600 A 1 mV A 18 AC DC Current Probe Models MR411 amp MR521 Typical Response Curves Model MR521 Typical Accuracy on the 150 A Range in DC 1 10 100 1000 eo 1 Accuracy in
17. rent Measurement Example MR411 14 Measuring the DC Component of AC DC Waveform MR411 15 Measuring the AC Component of AC DC Waveform MR521 16 Tips for Making Precise Measurement ccccseceeeeseeeeeeeeeeteeeeeeeees 17 Typical RESPONSE Curves eeeceeeececeeeeeeneeceeeee eae 18 Maintenance iianvees aan 20 WINING ea eri 20 Battery 6 8 1 5 20 Et aae 20 Warranty a a 20 Repair and Calibration 5 55 995 59 555999555995 inside back cover Technical and Sales Assistance 5 9 inside back cover AC DC Current Probe Models MR411 MR521 A 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 before using the Model MR411 or MR521 NEVE
18. suring instrument Zero the probe With the probe disconnected from test samples no conductor in probe jaw window press the auto zero button The red LED comes on for approximately three seconds to indicate that the probe is zeroing If the red LED remains lit this indicates that zero has not been attained repeat the zeroing operation For best accuracy especially on low level measurement it is recommended that you zero the probe before each measurement Clamp the probe around the conductor to be tested The DMM or display device should now display the measured conductor current A positive reading indicates current flowing in the direction of the arrow located on the side of the jaw A negative reading indicates current flow in the opposite direction of the arrow Apply the conversion ratio 1mV A or 10mV A to get the value of the current sge AC DC Current Probe Models MR411 amp MR521 AC Measurement Select the appropriate AC mV or V range on the DMM or measuring instrument The DC zero adjustment is not required when measuring AC current with a voltmeter that is AC coupled The DC zero adjustment is required if you are using a voltmeter that is DC coupled Select the appropriate mV AC or V AC range on the DMM or measuring instrument Clamp the probe around the conductor 1 to be tested The display device should now display the measured conductor current Apply the conversion ratio 1mV A or 10mV A to get
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