AEMC Instruments AEMC SL261 Current Transformer Manual
Contents
1. gain in dB 100 1000 10000 100000 gt Frequency in Hz 0 1 2 range 100 mV A range 10 mV A 3 4 frequency response 5 measurement current 1A sine Frequency phase in 100 10000 100000 0 gt 10 Frequency in Hz 50 100 range 10 mV A phase graph measurement current 1A sine 150 range 100 mV A 1 800 561 8187 www GED com information itm com 10 AC DC Current Oscilloscope Probe Model SL261 eee Typical Specification 0 2 4 6 8 Uncertainty 10 12 14 16 1 800 561 8187 www GED com information itm com AC DC Current Oscilloscope Probe Model SL261 11 CHAPTER 4 OPERATION 4 1 Zero Adjustment The probe has a zero adjustment that should be adjusted before measure ment Alternatively you may zero with the oscilloscope instead 4 2 Current Measurement WARNING Always connect the probe to the instrument before clamping onto the circuit under test Connect the Model SL261 to the proper input channel on the oscil loscope e Begin with the least sensitive range on the current probe 10mV A e Select the 0 5V Division range on the2. m AC DC CURRENT SL261 OSCILLOSCOPE PROBE 1 800 561 8187 www it com information itm com CAY MARAD d ENGLISH User Manual INSTRUMENTS Ne I 43 j Statement of Compliance N NE 43 N Jt Chauvin Arnoux Inc d b a AEMC Instruments K certifies that this instrument has been calibrated K y using standards and instruments traceable to i He international standards oe XE N Me We guarantee that at the time of shipping your ae NA instrument has met its published specifications X i N A 43 An NIST traceable certificate may be 1 requested at the time of purchase or obtained i WO by returning the instrument to our repair and x ii calibration facility for a nominal charge XO K 1e The recommended calibration interval for this E e instrument is 12 months and begins on the date of a y receipt by the customer For recalibration please y use our Calibration services Refer to our repair a NG and calibration section at www aemc com M i i N 3 x Serial Ve He Catalog 1201 51 iI NO MC Model SL261 1 Ap y NO Ne i Please fill in the appropriate date as indicated l X Date Received Y 5 ve K Date Calibration Due K iji XO aN Chauvin Arnoux Inc No d b a AEMC Instruments 1 ag Wa INSTRUMENTS WWW aemc com A 1 800 561 8187 www Ie fM com information itm com SS E Se Se E Se EN Table of Contents 1 INTRODUCTION ccccscssseeesseess
3. com information itm com 2 AC DC Current Oscilloscope Probe Model SL261 1 1 International Electrical Symbols This symbol signifies that the instrument is protected by double or rein forced insulation 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 A current sensor This symbol signifies that application around and removal from HAZARDOUS LIVE conductors is per mitted Probe fitted with an electronic output limiter providing protection against voltage surges caused by the accidental opening of the probe secondary circuit to 30V max peak In conformity with WEEE 2002 96 EC bf SS Pia 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 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 a
4. ace the battery while probe is in use To replace the battery e Disconnect the probe from the circuit and the oscilloscope e Turn the probe OFF e Unscrew the battery compartment screw and pull out the battery com partment cover e Replace the battery and put the cover back on 1 800 561 8187 www GED com information itm com AC DC Current Oscilloscope Probe Model SL261 15 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 for calibration we need to know if you want a standard calibration or a calibration traceable to N 1 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 tracea
5. ble 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 MATE Na nat ahin Inat imanta ta ave Dawhavauiah MA addAeann 1 800 561 8187 www GED com information itm com 16 AC DC Current Oscilloscope Probe Model SL261 Limited Warranty The AC DC Current Oscilloscope Probe Model SL261 is warranted to the own er 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 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 ma
6. bration Test per IEC 68 2 6 frequency range 10 Hz to 55 Hz amplitude 0 15mm Handle Lexan 920A UL 94 V2 Dimensions 9 09 x 1 42 x 2 64 231 x 36 x 67mm Weight 11 6 oz 330g with battery Color Light gray Output Lead Insulated coaxial cable with insulated BNC connector Cable Length 6 5 foot 2m 1 800 561 8187 www GED com information itm com 8 AC DC Current Oscilloscope Probe Model SL261 3 3 Environmental Specifications Operating Temperature 0 to 50 C 32 to 122 F Storage Temperature 30 to 80 C 22 to 176 F Operating Relative Humidity 10 to 30 C 85 5 RH without condensation 40 to 50 C 45 5 RH without condensation Influence of Temperature lt 0 2 per C Altitude Non operating 0 to 12 000m Operating 0 to 2000m 3 4 Safety Specifications CE We Electrical Double insulation or reinforced insulation between the primary or secondary and the outer case of the handle per EN 61010 2 032 600V CAT III Pollution Degree 2 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 1 800 561 8187 www GED com information itm com AC DC Current Oscilloscope Probe Model SL261 9 3 5 Typical Response Curves
7. cation Red LED 0 ee 13 5 MAINTENANCE ccccssccesceessseeessessneesssneenseesssneeeseeessneeessoesaneeeas 14 9 1 Maitena Ne iniaa a aE 14 52 CICAMIAG ss ccccccneeeteccecceececeeceateeeecestacesnccssneedneesseaasedeeniadeee eves 14 5 3 Replacing the Batteries eeeeeeeeeeeeeeeeeeeeeneeeeeeeeaeees 15 Repair and Callibration ccccccccccceeceeeeeeeeeeeseeeeaeeeeeeeeeeeeeeeteneeensaees 16 Technical and Sales Assistance 0 cece eceeeeeeeeeeeeeeeeeeteeeeaeeeeeeeanees 16 Learnt Warani y srera E EE 17 1 800 561 8187 www GED com information itm com CHAPTER 1 INTRODUCTION AN WARNING The safety warnings are provided to ensure the safety of personnel and proper operation of the instrument Read the instruction completely e 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 hazard ous gases exist Do not use the probe anywhere beyond the tactile barrier 1 800 561 8187 www GED
8. e 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 e For maintenance use only specified 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 allow water or other foreign substances into the case Disconnect the unit from all circuits and test cables before open ing the case 5 2 Cleaning e 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 isopropanol or ethyl alcohol fotocol or ethanol Lubricate the jaws mating surfaces with a light oil e Do not use chemicals containing benzine benzene toluene xylene acetone or similar solvents Do not immerse the probe in liquids or use abrasive cleaners 1 800 561 8187 www GED com information itm com 14 AC DC Current Oscilloscope Probe Model SL261 5 3 Replacing the Batteries CAUTION Risk of electric shock Disconnect all input s from the unit or remove the probe from any conductor before opening the battery cover to change the batteries If the green battery indication LED does not light up when the probe is turned on the batteries will need to be replaced Do not repl
9. ement of currents from 100mA to 100Arms DC to 100kHz without breaking into the circuit The probe uses Hall effect technology to measure AC and DC signals The probe connects directly to an oscilloscope through a 2 meter coaxial cable with an insulated BNC 2 2 Compatibility The Model SL261 is compatible with any analog or digital oscilloscope or other voltage measuring instrument which has the following features BNC input connector e Range capable of displaying 0 2 to 0 5V per division e Minimum input impedance of 1MQ 1 800 561 8187 www GED com information itm com AC DC Current Oscilloscope Probe Model SL261 5 2 3 Features Current Flow for DC Measurements or Supply to Load for AC Measurements Zero Adjust Knob Power Indication LED Range Selection Switch Keep hands below this point Peak Overload Indication LED Battery Compartment Battery Screw Compartment Cover WARNING Always keep hand on the handle part of the probe 1 800 561 8187 www GED com information itm com 6 AC DC Current Oscilloscope Probe Model SL261 CHAPTER 3 SPECIFICATIONS 3 1 Electrical Specifications Reference conditions 23 C 5 C 20 to 75 RH DC to 1kHz probe zeroed 1 minute warmup batteries at 9V 0 1V external magnetic field lt 40 A m no DC component no external current carrying conductor 1MQ 100pF load conductor centered in jaw Current Range 100mV A 100mA to 10A peak 10mV A 1 to 100A pea
10. k Output Signal 1000mV peak max AC Current Accuracy After calibration and for one year zero probe before making measurement Range Accuracy Phase Shift iene IOA ce 3 of reading 50mA lt 1 5 from DC to 65Hz 10mV A z 500mA to 40A peak 4 of reading 50mA TOMVJA lt 1 from DC to 65Hz m 15 max at 100A 40A to 100A peak Frequency Range DC to 100kHz 3dB with current derating Noise Range 10mV A 480V Range 100mV A 3mV Slew Rate Range 10mV A 20mV us Range 100mV A 0 3V us Load Impedance gt 1MQ 100pF Insertion Impedance 50 60 Hz 100mV A 3us 1Nm V A N N10 1 800 561 8187 www GED com information itm com AC DC Current Oscilloscope Probe Model SL261 7 Rise or Fall Time Range 100mV A 3us Range 10mV A 4us Working Voltage 600Vrms max Common Mode Voltage 600Vrms max Influence of Adjacent Conductor lt 0 2mA AAC Influence of Conductor Position in Jaw 0 5 of reading at kHz Battery 9V alkaline NEDA 1604A IEC 6LR61 Low Battery Green LED when 2 6 5V Overload Indication Red LED indicates input greater than the selected range Typical Consumption 8 6mA Battery Life 55 hours typical 3 2 Mechanical Specifications Zero Adjustment 20 turn potentiometer Maximum Cable Diameter 0 46 11 8 mm Case Protection IP20 per IEC 529 Drop Test 1 0m on 38mm of oak on concrete test according to IEC 1010 Mechanical Shock 100G test per IEC 68 2 27 Vi
11. neessseeesseessseeesseenseeessneesseeesaneeenas 2 1 1 International Electrical SyMbOIS ccc ceeeeeeeeeeeeeeeeeeeeneees 3 1 2 Definition of Measurement Categories a se 3 1 3 Receiving Your SHipMent eee eeeeeeeeeeeeeeeeeeeseeeeeeeeeeeaees 3 1 4 Ordering Information aiaa 4 1 4 1 Accessories and Replacement Parts ccee 4 2 PRODUCT FEATURES nsssssssnunnnunnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nn 5 21 DESGriptiON eana E AEEA 5 2 2 Compatibility 0 cece ee eeeeeee eee eeeaaeeeeeeenaeeeeeeeiaeeeenenaees 5 2 9 POAUUPES sic savasccesctanatarsaidendssiescedcedengteaecersail A tae eleapieraievaatae 6 3 SPECIFICATIONG cccssecssseeesseensneessseeeseeesseeeeesessseeesseenseeessneess 7 3 1 Electrical Specifications ceececeeeeeceeceeceeeeeeeeeeeeetcneeeeeeeeees 7 3 2 Mechanical Specifications cceeeeeeeeceecceeeeeeeeteeeeeeeenaees 8 3 3 Environmental Specifications ccccececcceceeeeeeeeeeeeseteeees 9 3 4 Safety Specifications 2 0 ccc eeeeeee eee eeeeeeeeeeeeeeeeeeeeeeees 9 3 5 Typical Response Curves ccceeeeeeeeceecaeeeeeeeeeeeeeteeesenaeees 10 4 OPERATION ccssccssseeeseeessneessneesneesssneenoeesssneeeseeessneeessoesnneeenas 12 AT Zero ACJUSTMENE cninn h 12 4 2 Current Measurement ccccccceceeeeeeeeeeeeceneeeeeeteeeteeeeees 12 4 3 Battery Indication Green LED 13 4 4 Peak Overload OL Indi
12. 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 discon necting it from your meter or instrument You may also use your oscilloscope to amplify the signal while using the 100mV A probe range which offers the best accuracy and least phase shift i NOTE It is possible to change the range on the current probe without remov ing the probe from the current carrying conductor but it is important to remember not to exceed the permissible peak ratings of 1000mV peak or 2000mV peak to peak maximum The peak ratings by range are 10A peak 1 800 561 8187 www GED com information itm com 12 AC DC Current Oscilloscope Probe Model SL261 4 3 Battery Indication Green LED The probe has a battery condition LED To ensure proper readings with your current probe be sure that the green LED is lit during measurement If not replace the 9V battery 4 4 Peak Overload OL Indication Red LED The SL261 offers an overload indicator If the red LED illuminates during measurement this indicates that the peak value exceeds the instrument response level and that the output is distorted Switch the probe to a higher range if possible 1 800 561 8187 www GED com information itm com AC DC Current Oscilloscope Probe Model SL261 13 CHAPTER 5 MAINTENANCE 5 1 Maintenance WARNING e To ensur
13. t 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 equipment appears to be damaged file a claim immediately with the car 1 800 561 8187 www GED com information itm com PIA wuvy uiy UU PUI VU ty CUNO yu viani AC DC Current Oscilloscope Probe Model SL261 3 1 4 Ordering Information AC DC Current Probe Model SL261 10A 100MV A 100A 10MV A BNC 0 ccceececeeesteeeeeeeeee Cat 1201 51 Includes a user manual and a product warranty and registration card 1 4 1 Accessories and Replacement Parts Adapter BNC Adapter for use with AC DC Current Probe Model SL261 amp Meters 8220 amp 8335 ccecceeeeeeeeeees Cat 2140 40 1 800 561 8187 www GED com information itm com 4 AC DC Current Oscilloscope Probe Model SL261 CHAPTER 2 PRODUCT FEATURES 2 1 Description The SL261 AC DC Current Oscilloscope Probe expands oscilloscope applications in industrial automotive or power environments and is ideal for analysis and measurement of distorted current waveforms and har monics The probe permits accurate display and measur
14. y 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 aA as 1 800 561 8187 www lDcom information itm com AC DC Current Oscilloscope Probe Model SL261 17 GJ AEMG INSTRUMENTS 05 11 99 MAN 100042 v10 1 800 561 8187 www GED com information itm com Pur anauay winyo WuVvel I Vyvey YUN I une YYY mu uToT oan Yvy Ptemeut www aemc com
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