AEMC MiniFlex Current Probe Manual PDF
Contents
1. 0 Ree 4 4 10 1Hz 10Hz 100 Hz 1000Hz 10000 Hz 100000 Hz 10 MiniFlex Flexible AC Current Probe 3 1 2 Amplitude Error Diameter 45mm Amplitude error in dB Y a aii T T N P a Sto Sve t 3 0 5 Phase error in degrees _ s 1 10 10K MiniFlex Flexible AC Current Probe 11 CHAPTER 4 OPERATION 41 Compatibility The MiniFlex is compatible with any Oscilloscope AC voltmeter or other voltage measuring instrument with an input impedance greater than 1MQ To achieve the best overall accuracy use the MiniFlex with an Oscillo scope set to AC mode with an accuracy of 0 75 or better 4 2 Tips for Making Precise Measurements e When using the MiniFlex with an Oscilloscope it is important to select the range that provides the best resolution Failure to do this may result in measurement errors For best results select the highest MiniFlex output signal possible and the most sensitive meter range for this output Make sure the Oscilloscope or measuring instrument can accurately measure mVAC For best accuracy center the MiniFlex around the conductor to be measured The overall measurement accuracy is the sum o2. Drop Test Per IEC 68 2 32 Vibration Per IEC 68 2 6 Mechanical Shock Per IEC 68 2 27 Weatherproofing IP 50 ENVIRONMENTAL Operating Temperature Range 14 to 131 10 to 55 C Storage Temperature Range 40 to 158 F 40 to 70 C Influence of Temperature Sensor 10 to 100 C lt 0 5 of Reading per 10 C Module 10 to 55 C lt 0 5 of Reading per 10 C Relative Humidity 10 to 90 RH 0 1 typical 0 3 max Altitude Operating 0 to 2000m working voltage derating above Non operating 0 to 12 000m SAFETY Double Insulation Yes per IEC 1010 2 32 CE Rated Yes Safety Rating EN 61010 1000V CAT IIl 600V CAT IV Pollution Level 2 Immunity and Emission Industrial environment Electromagnetic Compatibility Satisfies the EMC and LVD directives required for CE marking and product standard IEC 61326 1 Ed 97 A1 Ed 98 Specifications are subject to change without notice MiniFlex Flexible AC Current Probe 31 Typical Response Gurves 311 Frequency Error Model MF 300 6 2 10 HF Diameter 45mm Model MF 300 10 2 10 HF Diameter 70mm 30A Range 30 20 Hy p E IL 10 PR 0 10 1 Hz 10 Hz 100 Hz 1000 Hz 10000 Hz 100000 Hz 300A Range 30 96 20 96 10
3. E edt tbe Rb 16 MiniFlex Flexible AC Current Probe 1 CHAPTER 1 INTRODUCTION WARNING A These safety warnings are provided to ensure the safety of person nel and proper operation of the instrument Read this instruction manual completely and follow all the safety information before attempting to use or service this instrument Safety is the responsibility of the operator The MiniFlex must be used only by qualified personnel using applicable safety precautions Wear protective clothing and gloves as required 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 ALWAYS de energize the circuit before wrapping the MiniFlex around bare conductors bus bars or near live parts Do not wrap on live conductors ALWAYS connect the electronic module to the display device before wrapping the MiniFlex around the sample being tested ALWAYS inspect the module sensor sensor cable and output terminals prior to use Replace any defective parts immediately Use only factory parts NEVER use the MiniFlex on electrical conductors rated above 1000V CAT Ill 600V CAT IV 2 MiniFlex Flexible AC Current Probe 1 1 International Electrical Symbols This symbol signifies that the instrument is protected by double or reinforced i
4. Low phase shift for power measurements Insensitive to DC measures only AC component on DC AC signals Excellent linearity Lightweight Sensor is resistant to oils and aliphatic hydrocarbons EN 61010 1000V CAT Ill 600V CAT IV CE Mark MiniFlex Flexible AC Current Probe 23 Control Features Figure 1 Flexible sensor 5mm Sensor opening device Shielded cord BNC output connector Green ON OFF indicator oa Ro N Range selection switch Model MF 300 6 2 10 HF 30 300A Model MF 300 10 2 10 HF 300 300A 7 Optional BNC female Banana male connector MiniFlex Flexible AC Current Probe CHAPTER 3 SPECIFICATIONS REFERENCE CONDITIONS Quantity of influence Reference values Temperature 23 5 C Relative humidity 20 to 75 RH Frequency of the signal measured 40 to 400Hz Type of signal Sinusoidal External electric field lt External DC magnetic field earth field lt 40A m External AC magnetic field None Position of the conductor Centered in the measurement coil Shape of the measurement coil Nearly circular Input impedance of the display device connected to housing 21MQ MODEL __ 300 6 2 10 HF MF 300 10 2 10 HF ELECTRICAL Range 30 300A Signal Output 100mV 10mV A Frequency Range 5 to 1MHz 3db Frequency Limitation none Influence Of Conductor Positioning 1 5 typical 3 max Influence Of Conductor Positioning 0
5. RE MiniFlex AC CURRENT SENSOR High frequency response M F 300 6 2 1 0 H F for Oscilloscopes M F 300 1 0 2 4 0 H F JA Mi ENGLISH User Manual AEMC Statement of Compliance Chauvin Arnoux Inc d b a AEMC Instruments certifies that this instrument has been calibrated using standards and instruments traceable to international standards We guarantee that at the time of shipping your instrument has met its published specifications An NIST traceable certificate may be requested 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 2126 83 2126 84 Model MF 300 6 2 10 HF MF 300 10 2 10 HF Please fill in the appropriate date as indicated Date Received Date Calibration Due MC 2 5777777777 8 _ Chauvin Arnoux Inc B d b a AEMC Instruments i INSTRUMENTS www aemc com Table of Gontents 1 INTRODUCTION 2 1 1 International Electrical 3 1 2 Definition of Measurement Cat
6. j 0 In Sensor Against Handle 4a typical 6 max External Conductor Influence 35dB to 40dB on contact Accuracy 1 0 3A Common Mode Rejection 100dB typical 80dB min Max peak factor at nominal 1 5 Residual noise at 0 Arms 2 0 3A Max phase shift at 50 Hz 2 5 Max offset voltage mVpc 50 5 Max output voltage Vpeak 45 Output impedance 1 Power Source 9V alkaline battery 6LF22 Battery Life 140 hrs continuous operation or 10 000 one minute measurements Battery Indicator When Green LED starts blinking remaining life is approx 8 hours When LED is 0FF the battery needs to be replaced 1 Peak factor PF Vpeak Vrms 2 The residual noise affects the measurement uncertainty according to the formula I measured x 0 01 residual noise measured global uncertainty I measured 7 0 If the current measured is zero the uncertainty is equal to the residual noise 8 MiniFlex Flexible AC Current Probe MF 300 6 2 10 HF MF 300 10 2 10 HF MECHANICAL Module Output Coaxial cable terminated by an insulated female BNC connector Module Dimensions 4 0 x 2 5 x 1 1 103 x 64 x 28mm Module Weight 7 oz 200g Sensor Diameter 5mm Sensor Length 6 152mm 10 250mm Max Conductor Size 1 77 45mm 2 95 70mm Connection Cable Length 6 5 ft 2m Flammability Rating Sensor UL94VO Housing UL94V2
7. all the cir cuits before opening the case Battery Replacement The battery must be replaced when the green indicator flashes or remains off when the instrument is switched on 51 2 14 Disconnect everything connected the instrument and set the switch to OFF Use a screwdriver to unscrew the two screws on the housing Replace the old battery with a new one 9V alkaline or lithium bat tery of type 6LF22 Close the housing making sure that it is completely and correctly closed then screw both screws back in Cleaning It is important to keep the sensor latch mating surfaces clean to prevent foreign matter from entering the closing The sensor may be gently cleaned with a soft cloth soap and water Dry immediately after cleaning Avoid water penetration into the electronic module Make sure the sensor electronic module and all leads are com pletely dry before any further use MiniFlex Flexible AC Current Probe Repair and Calibration To ensure that your instrument meets factory specifications we recommend that it be scheduled back 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 ensure that when your instrument arrives it will be tracked and processed promptly Please write the CSA on
8. 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 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 or 603 749 6309 E mail repair aemc com Or contact your authorized distributor Costs for repair standard calibration and calibration traceable to N I S T are available NOTE You 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 team 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 E mail techsupport aemc com www aemc com NOTE Do not ship Instruments to our Foxborough MA address MiniFlex Flexible AC Current Probe 15 Limited Warranty The MiniFlex is 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 pur chased Thi
9. transformer composed of a flexible sensor and an electronic module It is design to measure from 5Hz to 1MHz The flexible sensor permits measurements on conductors where standard clamp on probes could not be used In particular it can be installed in confined spaces places where access is difficult or even wrapped around irregular shapes The MiniFlex HF is lightweight It does not use magnetic cores like stan dard transformers The transformation principle is based on an air core It presents virtually no load to the system under test has a low phase shift and excellent frequency response from 5Hz to 1MHz at 3db and cannot be damaged by overloads The sensor assembly is insulated for 1000V CAT Ill 600V CAT IV The MiniFlex HF meets EN 61010 and is CE marked The MiniFlex HF has an mV output proportional to the current measured for direct readings on oscilloscopes DMMs data loggers and power or harmonic meters TRMS measurements are taken when connected to a TRMS meter The MiniFlex HF is insensitive to DC currents and only the AC component of the measured signal is measured The flexible sensor is available in lengths of 6 and 10 MiniFlex Flexible AC Current Probe 5 2 2 Features Measures from 0 5Arms to 300Arms Accuracy 1 of Reading 0 3A TRMS measurements when connected to a TRMS instrument No core saturation or damage if overloaded 9V battery for typical 140 hour continuous operation 1MHz frequency response
10. btain a CSA before returning any instrument EJAEMC INSTRUMENTS 05 10 99 MAN 100349 v3 Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 603 749 6434 Fax 603 742 2346 www aemc com
11. egories 3 1 3 Receiving Your Shipment u u 4 1 4 Ordering Information en 4 1 4 1 Accessories and Replacement 5 4 2 PRODUCT FEATURES 5 2 4 Description teer ae e EE ee belge Miser ete 5 22 cd nu t e n dede te 6 2 3 Control Features died ted eere necs 7 3 SPECIFICATIONS 8 3 1 Typical Response 10 3 1 1 Frequency Efor urna ap nein ne 10 3 1 2 Amplitude Erfot irte eet Heres 11 4 OPERATION enne nnnm nnn annua nn 12 41 12 4 2 Tips for Making Precise Measurements 12 4 3 Making 5 eene 13 5 MAINTENANCIE 14 S eei erede te ed eoo e 14 5 1 1 Battery 14 5 12 Gleaning iere ee eee 14 Repair and 15 Technical and Sales Assistance 15 Limited Warranty t ee ee ge e d ete tls 16 Waranty Repa
12. f the MiniFlex accu racy and the displaying instrument accuracy 12 MiniFlex Flexible AC Current Probe 43 Making Measurements Connect the electronic module to the AC Volt range of a Oscilloscope input or measuring instrument Select the highest range on the Mini Flex OOO OOO c OOO co Press the sensor s yellow opening device to open the flexible coil Wrap the coil around the conductor to be tested If possible within range select the lowest range to obtain the best resolution Donot exceed specified current range for the output Read the displayed value on the Oscilloscope and divide it by the range selected i e if reading 2 59V with the 10mV A output range the cur rent flowing through the probe is 2590mV 10 259A For best accuracy carefully center the conductor inside the flexible core and if possible avoid being in the proximity of other conductors which may create noise and interference particularly near the latch MiniFlex Flexible AC Current Probe 13 5 1 Aw 5 1 1 CHAPTER 5 MAINTENANCE Maintenance arning For maintenance use only specified 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 case Turn the instrument OFF and disconnect the unit from
13. nsulation This symbol on the instrument indicates a WARNING and that the operator must refer to the user manual for instructions before operating the instrument In this manual the symbol preceding instructions indicates that if the instructions are not followed bodily injury installation sample and product damage may result Risk of electric shock The voltage at the parts marked with this symbol may be dangerous This symbol refers to a type B current sensor Do not apply around or remove from HAZARDOUS LIVE conductors without additional protective means de energizing the circuit or wearing protective clothing suitable for high voltage Work Battery Compliance with the Low Voltage amp Electromagnetic Compatibility European directives 73 23 CEE amp 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 H gt PE rN 1 2 Definition of Measurement Categories I 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 dis
14. s warranty is void if the unit has been tampered with abused or if the defect is related to service not performed by AEMC Instruments For full and detailed warranty coverage please read the Warranty Coverage Information which is attached to the Warranty Registration Card if enclosed or is available at www aemc com Please keep the Warranty Coverage Information with your records What AEMC Instruments will do Ifa 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 Instruments will at its option repair or replace the faulty material REGISTER ONLINE AT www aemc com Warranty Repairs What you must do to return an Instrument for Warranty Repair First request a Customer Service Authorization Number CSA by phone or by fax from our Service Department see address below then return the instrument along with the signed CSA Form Please write the CSA on the outside of the shipping container Return the instrument postage or shipment pre paid to 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 or 603 749 6309 E mail repair aemc com Caution To protect yourself against in transit loss we recommend you insure your returned material NOTE You must o
15. tribution 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 MiniFlex Flexible AC Current Probe 3 1 3 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 car rier and notify your distributor at once giving a detailed description of any damage Save the damaged packing container to substantiate your claim 14 Ordering Information MiniFlex 30 300A 6 100mV 10mV A High Frequency for use with any BNC Oscilloscope Cat 2126 83 MiniFlex 30 300A 10 100mV 10mV A High Frequency for use with any BNC Oscilloscope Cat 2126 84 Both models include a 9V battery warranty and registration card and a user manual 1 4 1 Accessories and Replacement Parts Adapter BNC female 4mm Banana male Cat 2119 94 Order Accessories and Replacement Parts Directly Online Check our Storefront at www aemc com store for availability 4 MiniFlex Flexible AC Current Probe CHAPTER 2 PRODUCT FEATURES 2 4 Description The MiniFlex HF is a compact flexible AC current
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