AC CURRENT OSCILLOSCOPE PROBE E N G L I S H User Manual
Contents
1. aaa aaa aaa aaa wia 3 1 4 1 Accessories and Replacement Parts 3 2 PRODUCT FEATURES 4 2 4 Description eei ti et E eter eec hen 4 2 2 Compatibility iz n ed d 4 2 3 Control Features eene 5 3 SPECIFICATIONS 6 3 1 Electrical Specifications 6 3 2 Mechanical Specifications 7 3 3 Environmental Specifications 7 3 4 Safety Specifications u u u 7 3 5 Typical Response Curves nenn 8 4 OPERATION Mm 10 4 1 Current Measurement ee seo a aaa aaa ae 10 5 MAINTENANCI 11 530 Maintenance ar Man er ran 11 5 2 Cleaning eda ke die Eike ee 11 Repair and Calibration 12 Technical and Sales Assistance rrn rsrnrsrrerrrrn renn 12 Limited Warranty o Br iin 13 Warranty RepalfS 2 riter engeren er 13 CHAPTER 1 INTRODUCTION N WARNING Z These safety warnings2. n MN261 OSCILLOSCOPE PROBE B AEN Es 2 MN 261 LE 3 AEMC ENGLISH User Manual AEMG 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 anominal 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 2115 82 Model MN261 Please fill in the appropriate date as indicated Date Received Date Calibration Due Chauvin Arnoux Inc d b a AEMC Instruments INSTRUMENTS www aemc com Rn un Table of Contents 1 INTRODUCTION 2 1 1 International Electrical Symbols a 2 1 2 Definition of Measurement Categories 3 1 3 Receiving Your Shipment uu 3 1 4 Ordering Information
3. 15 of mV output Range 200A 40Hz to 1kHz 3 of mV output 1 to 10kHz 12 of mV output 6 AC Current Oscilloscope Probe Model MN261 3 2 Mechanical Specifications Dimensions 5 47 x 2 00 x 1 18 139 x 51 x 30mm Weight 6 5 oz 150g Maximum Cable Diameter 0 78 20mm Jaw Opening 0 83 21mm max Maximum Conductor Size 0 78 20mm Envelope Protection IP 40 IEC 529 Drop Test 1m IEC 68 2 32 Mechanical Shock 100g IEC 68 2 27 Vibration 10 55 10Hz 0 15mm IEC 68 2 6 Output 6 ft 2m insulated lead with insulated BNC Connector 3 3 Environmental Specifications Operating Temperature RH 14 to 131 F 10 to 55 C RH 8596 Storage Temperature 40 to 158 F 40 to 70 C Influence of Temperature lt 0 15 10K Influence of Humidity 10 to 90 0 296 Altitude lt 2000m 3 4 Safety Specifications p C cus Indoor Use LISTED E192383 Electrical Double insulation or reinforced insulation between the primary or second ary and the outer case of the handle per EN 61010 2 032 Common Mode Voltage 600V Category III Pollution Degree 2 Dielectric Strength 5550V 50 60Hz between primary secondary and the outer case of the handle Electromagnetic Compatibility EN 50081 1 Class B EN 50082 2 Electrostatic discharge IEC 1000 4 2 Radiated field IEC 1000 4 3 Fast transients IEC 1000 4 4 Magnetic field at 50 60 Hz IEC 1000 4 8 Specifications are subject to change without notice AC
4. Current Oscilloscope Probe Model MN261 7 3 9 Typical Response Curves 10mV A Range Accuracy in Phase in Accuracy vs Frequency 2 00 100 A 200A 0 00 2 00 4 00 6 00 8 00 10 00 10 00 100 00 1000 00 10000 00 100000 00 Frequency in Hz Phase Shift vs Frequency 15 00 100 A 200 A 10 00 5 00 0 00 5 00 10 00 15 00 20 00 25 00 10 00 100 00 1000 00 10000 00 100000 00 Frequency in Hz AC Current Oscilloscope Probe Model MN261 100mV A Range Accuracy vs Frequency 5 00 0 00 20A 5 00 10 00 15 00 4 Accuracy in 20 00 25 00 30 00 10 00 100 00 1000 00 10000 00 100000 00 Frequency in Hz Phase Shift vs Frequency 40 00 10A 20A 30 00 20 00 10 00 Phase in 10 00 20 00 30 00 40 00 10 00 100 00 1000 00 10000 00 10
5. 0000 00 Frequency in Hz AC Current Oscilloscope Probe Model MN261 9 CHAPTER 4 OPERATION 4 4 Current Measurement WARNING Always connect the probe to the instrument before clamping onto the circuit under test Connect the Model MN261 to the proper input channel on the oscilloscope Begin with the least sensitive range on the current probe 10mV A Select the 0 5V Division range on the oscilloscope Clamp the probe on the conductor to be measured and read the current flowing directly on your oscilloscope Remember to unclamp the probe from the conductor before disconnect ing it from your meter or instrument You may also use your oscilloscope to amplify the signal while using the 1mV A probe range which offers the best accuracy and least phase shift NOTE It is possible to change the range on the current probe with out removing the probe from the current carrying conductor but it is important to remember not to exceed the permissible peak ratings of 340mV peak or 680mV peak to peak maximum The peak ratings by range are 34A peak 100mV A and 340A peak 10mV A 10 AC Current Oscilloscope Probe Model MN261 5 1 A 5 2 CHAPTER 5 MAINTENANCE Maintenance WARNING 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 For maintenance use only specified factory replacement parts T
6. 9 MAN 100144 v6 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
7. are provided to ensure the safety of person nel and proper operation of the instrument Connect the probe to the oscilloscope or voltage measuring instrument before clamping the probe around a conductor Never use the probe on circuits rated higher than 600V Cat III Never leave the probe clamped around a conductor while not connected to an oscilloscope or voltage measuring instrument Carefully center the conductor inside the probe jaws and ascer tain that the probe is perpendicular to the conductor Avoid if possible the proximity of other conductors which may create noise Check the magnetic mating surfaces of the probe jaws these should be free of dirt rust or other foreign matter Do not use a probe which is cracked damaged or has defec tive leads International Electrical Symbols reinforced insulation Use only specified replacement parts when servicing the instrument This symbol on the instrument indicates a WARNING and that the operator must refer to the user manual for instructions before operat ing the instrument In this manual the symbol preceding instructions indicates that if the instructions are not followed bodily injury instal lation sample and product damage may result 1 1 D This symbol signifies that the instrument is protected by double or 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
8. conductor 0 78 20mm 3 Two position switch 4 6 5ft 2m output cable 5 Arrow indicates direction of current flow Current flows in a positive direction when it travels from supply to load AC Current Oscilloscope Probe Model MN261 CHAPTER 3 SPECIFICATIONS 3 1 Electrical Specifications Reference conditions 23 C 3 K 20 to 75 RH 48 to 65Hz external magnetic field lt 40A m no DC component no external current carrying conductor test sample centered Current Range 0 1 to 24Arms 0 5 to 240Arms Output Signal mV output signal 2 range switch selectable on handle 100mV A 0 1 to 24Arms 10mV A 0 5 to 240Arms Load Impedance gt 1MQ lt 100pF Range 10mV A 2V at 200A Primary Current 0 5 to 10A 10 to 40A 40 to 100A 100 to 240A Accuracy lt 3 5 5mV lt 3 5mV lt 2 5 5mV lt 1 5 5mV Phase Shift N A lt 6 lt 4 lt 3 Overload 240A for 10mn ON 30mn OFF Range 100mV A 2V at 20A Overload 120A continuous Accuracy 2 50mV Phase Shift not specified Frequency Range with current derating 40Hz to 10kHz 3dB See Typical Response Curves 3 5 Load Impedance 100kO min Working Voltage 600V Cat III Common Mode Voltage 600V Cat III Influence of Adjacent Conductor lt 15mA Aac 50Hz Influence of Conductor Position in Jaw Opening 0 5 of Reading 50 60Hz Influence of Frequency Range 20A 40Hz to 1kHz 10 of mV output 1 to 10kHz
9. 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 12 AC Current Oscilloscope Probe Model MN261 Limited Warranty The Model MN261 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 This warranty is void if the unit has been tampered with abused o
10. na Female BNC Adaptor XF SS Cat 2111 32 Order Accessories and Replacement Parts Directly Online Check our storefront at www aemc com for availability AC Current Oscilloscope Probe Model MN261 3 CHAPTER 2 PRODUCT FEATURES 2 1 Description The AC Current Oscilloscope Probe Model MN261 expands oscilloscope applications in industrial or power environments and is ideal for analysis and measurement of distorted current waveforms and harmonics The Model MN261 permits accurate display and measurement of currents from 0 1 to 240Arms 40Hz to 10kHz with current derating without break ing into the circuit A passive filter eliminates noise ring on rapid rising di dt waveforms and ensures accurate screen displays The probe connects directly to an oscilloscope through an insulated coax ial cable with an insulated BNC 2 2 Compatibility The Model MN261 is compatible with any analog or digital oscilloscope or other voltage measuring instrument which has the following features BNC input connector Range capable of displaying 0 2 to 0 5V per division or 2V range Minimum input impedance of 1MQ 4 AC Current Oscilloscope Probe Model MN261 2 3 Control Features 2 56 65 mm 73 18 5 mm 83 21 mm Pret x N OT t VW ww sel LE G 2 01 51 mm 1 Jaw Opening 0 83 21mm 2 Maximum dimension of
11. o 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 allow water or other foreign substances into the case Disconnect the unit from all circuits and test cables before open ing the case Use caution with metallic tools that may short battery packs power supplies etc Gleaning To clean the probe body use a soft cloth dampened in a solution of mild detergent and water To clean the core open the jaw and clean the exposed core surfaces with a cotton swab dampened with isopropyl alcohol or ethyl alcohol Lubricate the jaws mating surfaces with a light oil Do not use chemicals containing benzine benzene toluene xylene acetone or similar solvents Do not immerse the probe in liquids or use abrasive cleaners AC Current Oscilloscope Probe Model MN261 11 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 the outside of the shipping container If the instrument is returned
12. r 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 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 obtain a CSA before returning any instrument AC Current Oscilloscope Probe Model MN261 13 EJ AEMC INSTRUMENTS 08 13 9
13. that application around and removal from HAZARDOUS LIVE conductors is permitted 2 AC Current Oscilloscope Probe Model MN261 1 2 Definition of Measurement Categories Cat 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 II 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 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 equip ment appears to be damaged file a claim immediately with the carrier and notify your distributor at once giving a detailed description of any damage Save the damaged packing container to substantiate your claim 1 4 Ordering Information AC Current Oscilloscope Probe Model MN261 Cat 2115 82 Includes user manual and a product warranty and registration card 1 4 4 Accessories and Replacement Parts Male Bana
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