CLAMP-ON METER E N G L I S H User Manual
Contents
1. These meters are designed to measure and display amps and volts at the same time They are also auto ranging and provide the best measurement range and resolution for troubleshooting The Models 670 and 675 are sized for comfortable one handed operation The tapered and hooked jaw design facilitates maneuvering in crowded wiring and breaker panels making it easy to select conductors The jaw opening accommodates one 750kcmil cable or two 350kcmil cables The large and easy to read 9999 count LCD features comprehensive user information symbols such as low battery polarity overload and an analog bargraph for easy trend readings Both models are equipped with a Data Hold function that freezes the measurement for later viewing Min Max and Peak function for capture of signals The Model 670 and 675 are True RMS clamp on meters that provide RMS measurements for today s non linear electrical environments 6 Clamp on Meter Models 670 and 675 2 2 Model 670 675 Control Features J gt er pr r p CREME MOREL EZ He k 1 Jaw Assembly Model 670 1 65 42mm Model 675 1 58 40mm Safety Barrier Anti slip Guard Lever for Jaw Opening Closing Button Functions see 2 4 LCD Display Positive red Input and COM black Input Data Hold Button Rotary Range Selector Switch OND O PE ON Clamp on Meter Models 670 and 675 7 23 LCD Display AUTO HOLD MI2. Caution To protect yourself against in transit loss we rec ommend you insure your returned material NOTE All customers must obtain a CSA before returning any instrument 28 Clamp on Meter Models 670 and 675 G AEMC INSTRUMENTS 05 09 99 MAN 100335 v3 Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA www aemc com
3. Notify your dis tributor 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 Save the damaged packing container to substantiate your claim 1 4 Ordering Information TRMS Clamp on Meter Model 670 Cat 2117 49 Includes meter set of test leads red black with safety needle tips K type thermocouple one 9V battery soft carrying case and a user manual TRMS Clamp on Meter Model 675 Cat 2117 50 Includes meter set of test leads red black with safety needle tips K type thermocouple one 9V battery soft carrying case and a user manual 1 4 1 Accessories and Replacement Parts Soft Carrying Case Cat 2118 89 K type Thermocouple Cat 2118 90 Color coded Leads 5 ft w 2mm safety needle tip Cat 2140 68 Clamp on Meter Models 670 and 675 5 CHAPTER 2 PRODUCT FEATURES 2 1 Description The AEMC Models 670 and 675 are general purpose professional clamp on meters that measure up to the toughest standards These meters offer a complete set of measurement ranges AC Amps DC Amps 675 only AC Volts DC Volts Ohms Continuity with beeper Frequency from V or A and Temperature and are in compliance with international safety and quality standards to ensure professional and reliable measuring tools
4. Turn the rotary range switch to the A amp range Press the lever to open the jaws Clamp the jaws around the conductor to be measured If reading is unstable and is hard to read push the HOLD button and read the measurement WARNING If overload DL is displayed unclamp the meter immediately Clamp on Meter Models 670 and 675 15 4 2 AC Voltage and Current Measurement Simultaneously Turn the rotary range switch to the AAC or WAC range Connect the test probe tips to the voltage to be measured Press the lever to open the jaws Clamp the jaws around the conductor to be measured Voltage and current measurements will be displayed simultaneously If reading is unstable and is hard to read push the HOLD button and read the measurement WARNING If overload GL is displayed unclamp the meter immediately 16 Clamp on Meter Models 670 and 675 43 DC Current Measurement 675 only NOTE Remove the test leads before measuring current if DC voltage is not going to be measured at the same time Turn the rotary range switch to the Ab range If needed the display may be zeroed Press and hold down the HOLD b
5. 15 5 oz 440g with battery Protection Index of Housing IP30 according to EN 60529 Ed 92 Clamp on Meter Models 670 and 675 13 3 3 Environmental Specifications Altitude 2000 meters Operating Temperature 14 to 122 F 25 to 50 C 80 RH non condensing NOTE If the meter is to be used below 32 F 0 C we suggest that the battery be replaced to ensure proper results Storage Temperature 14 to 140 F 25 to 60 C lt 80 RH 3 4 Safety Specifications EN 61010 1 Ed 2001 EN 61010 2 032 Ed 2002 600V CAT IV 1000V CAT III Pollution Degree 2 C Electromagnetic Compatibility per NF EN 61326 Compliant with electromagnetic compatibility standard NF EN 61326 1 07 97 A1 10 98 A2 09 2001 Radiated and conducted emission NF EN 55022 Radiated Immunity criterion B NF EN 61000 4 3 Conducted Immunity criterion A NF EN 61000 4 6 Electrostatic discharges criterion A NF EN 61000 4 2 Transients criterion B NF EN 61000 4 4 Shock waves criterion A NF EN 61000 4 5 Note Certain high power radio electric frequencies are under certain conditions capable of interfering with the metrological integrity of the meter Specifications are subject to change without notice 14 Clamp on Meter Models 670 and 675 CHAPTER 4 OPERATION 4 1 AC Current Measurement NOTE Remove the test leads before measuring current if AC voltage is not going to be measured at the same time
6. 23 LCD Display 8 24 Button Functions 2 4 1 HOLD Button 2 4 2 Correction of Zero in DC measurement 2 4 3 Auto Power OFF 2 4 4 DISPLAY Button 2 4 5 MIN MAX Function 500ms 10 2 4 6 Peak Function 1ms 10 2 4 7 Backlight Button 10 SPECIFICATIONS 11 3 1 Electrical Specifications 11 3 2 Mechanical Specifications 13 3 3 Environmental Specifications 14 3 4 Safety Specifications 14 OPERATION 15 4 1 AC Current Measuremernt 15 4 2 AC Voltage and Current Measurement Simultaneously 16 4 3 DC Current Measurement 675 only 17 4 4 AC Volt Measurement 18 4 5 DC Volt Measurement 19 4 6 Resistance Measurement 20 4 7 Continuity Measurement 21 4 8 Temperature Measuremern t 22 4 9 Frequency Measurement Using Voltage INput neant agan ada 23 4 10 Frequency Measurement Using Current Input u lasu suya 24 5 MAINTENANCE 25 5 107 Warning ere hice uuu uA 25 5 2 Cleaning iac ciinas ce ieee 25 5 3 Battery Re
7. on Meter Models 670 and 675 27 Limited Warranty The Models 670 and 675 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 For full warranty coverage detail and registration go to www aemc com What AEMC Instruments will do If a malfunction occurs within the one year period you may return the instrument to us for repair or replacement free of charge provided we have your registration information on file or 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 Chauvin Arnoux Inc d b a AEMC Instruments Service Dept 15 Faraday Dr Dover NH 03820 USA Phone 800 945 2362 or 603 749 6434 Ext 360 Fax 603 742 2346 or 603 749 6309 repair aemc com
8. 670 675 User Manual AEMC INSTRUMENTS 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 2117 49 2117 50 Model 670 675 Please fill in the appropriate date as indicated Date Received Date Calibration Due G AEMC INSTRUMENTS Chauvin Arnoux Inc d b a AEMC Instruments www aemc com Table of Contents 1 INTRODUCTIONN 3 1 4 International Electrical Symbols 4 1 2 Definition of Measurement Categories 4 1 3 Receiving Your Shipment 1 4 Ordering Information 1 4 1 Accessories Replacement Parts 5 PRODUCT FEATURES 6 2 1 Description 2 anual tesi 6 2 2 Model 670 675 Control Features 7
9. ATIONS The tolerances assigned to the values or declared limits constitute only the values guaranteed by the manufac turer Values without a tolerance are for information only The symbol DL is displayed when the input signals exceed the limit values possible in each measurement range The symbol GL is displayed in C F measurement when there is no input signal open circuit 3 1 Electrical Specifications Reference Conditions 23 C 3 C 48 to 65Hz no DC component sinusoidal FC 2 10 to 100 of range no external alternative magnetic field no electrical field conductor centered in jaws in A AC Amperes Range Measuring Range Resolution Accuracy 100A 0 00 to 99 994 0 01A 1 5 5cts 50 to 60Hz 2 0 5cts 50 to 500Hz 1000A 100 to 1000 A 0 1A 4 5 5cts 500Hz to 3kHz Overload 1000Arms DC Amperes Model 675 only Range Measuring Range Resolution Accuracy 100A 0 00 to 99 994 0 01A 1 2 5cts 1000A 100 0 to 999 9A 0 1A 2 5 5cts 1400A 1000 to 1400A 1A Overload 1400Apc Clamp on Meter Models 670 and 675 11 AC Volts Range Measuring Range Resolution Accuracy 1 0 5cts 50 to 60Hz 1000V 0 0 to 999 9V 0 1V 1 2 5cts 50 to 500Hz 2 5 5cts 500Hz to 3kHz Input Resistance 1MQ Overload 1000Vrms DC Volts Range Measuring Range Resol
10. N MAX PEAK ZERO 8888 AUTO HOLD MIN MAX PEAK ZERO 60084 Icon Function AUTO Automatic Range HOLD Freezes the Display MIN Minimum Value MAX Maximum Value PEAK Peak Value ZERO ADC Zero Function 675 only DC Input AC Input Auto Power OFF Indication Low Battery o1 Continuity Beeper Enabled Q Resistance Measurement Indicator AV Current Voltage Indicator C F Degrees Celsius Fahrenheit Hz Frequency Measurement Indicator Clamp on Meter Models 670 and 675 2 4 Button Functions 2 4 1 HOLD Button The last reading may be held on the display by pressing the HOLD button The HOLD symbol will appear when this function is activated To deactivate press the HOLD button a second time 2 4 2 Correction of Zero in DC measurement This function on the Model 675 allows the user to zero out magnetization effects in DC current measurements e This operation must be performed after each high amplitude current measurement Turn the rotary switch to Apc with no conductor inserted into the clamp then press the HOLD button approxi mately 2 seconds until the display shows zero current This is also indicated by an audio beep and the symbol ZERO on the display 2 4 3 Auto Power OFF lf there is no activity for approximately 10 minutes the clamp will automatically shut down and the symbol will appear e To disable Auto Power OFF function turn
11. and 675 19 4 6 Resistance Measurement Turn the rotary range switch to the Q range Insert the red test lead to the red input jack and the black lead to the black COM input jack Bring the test probe tips into contact with the sample under test WARNING Immediately disconnect the meter if overload DL is displayed WARNING When making a resistance mea surement make sure that the power is off dead circuit and that all capacitors in the measured circuit are fully discharged 20 Clamp on Meter Models 670 and 675 47 Continuity Measurement WARNING When testing continuity make sure that there is no power in the tested sample or circuit dead circuit This may be checked by using the voltage functions Turn the rotary range switch to the Q range Insert red test lead to the red input jack and the black lead to the black COM input jack Bring the test probe tips into contact with the sample under test Ifthe resistance is less than 40Q the beeper emits a continuous sound WARNING Immediately disconnect the meter if overload GL is displayed Clamp on Meter Models 670 and 675 21 4 8 Temperature Measurement WARNING Make sure that there is no power in the tested sample or circuit dead circuit Turn the rotary ran
12. arning Remove the test leads on any input before opening the case Do not operate the clamp on meter without a battery case cover 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 instru ment do not get water or other foreign agents into the probe 5 2 Cleaning To clean the meter wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents Do not get water inside the case This may lead to electrical shock or damage to the instrument 5 3 Battery Replacement The Clamp on Meter Models 670 and 675 are powered by a 9V battery The symbol will appear on the LCD display when the supply voltage drops below proper operating range This indicates that the battery needs to be changed Clamp on Meter Models 670 and 675 25 26 The meter must be in the OFF position and discon nected from any circuit or input Place the meter face down and remove the 2 screws with a screwdriver Replace the old battery with a new 9V battery making sure of the correct positioning of the wires to prevent any pinching at closing Replace the battery compartment cover and tighten the screws Clamp on Meter Models 670 and 675 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 recalibra
13. ge switch to the TEMP range To measure the temperature connect the K type thermocouple probe to the input terminals observing the polarity The main display is in degrees Celsius C by default and the secondary display in degrees Fahrenheit F The user can change the main display to degrees Fahrenheit F and the secondary display to degrees Celsius C by pressing the DISPLAY button AEM HORE u a TEMP DUAL TRMS DISPLAY 22 Clamp on Meter Models 670 and 675 4 9 Frequency Measurement Using Voltage Input e Turn the rotary range switch to the Vac range and press the DISPLAY button Insert red test lead to the red input jack and the black lead to the black COM input jack Bring the test probe tips into contact with the sample under test WARNING Immediately disconnect the meter if overload DL is displayed FPE Clamp on Meter Models 670 and 675 23 4 10 Frequency Measurement Using Current Input NOTE Remove the test leads before measuring current if AC voltage is not going to be measured at the same time Turn the rotary range switch to the A amp range and press the DISPLAY button e Press the lever to open the jaws Clamp the jaws around the conductor to be measured WARNING If overload GL is displayed unclamp the meter immediately 24 Clamp on Meter Models 670 and 675 CHAPTER 5 MAINTENANCE 5 1 A W
14. placement 25 Repair and Calibration 27 Technical and Sales Assistance 27 Limited Warranty 28 Warranty Repairs 28 CHAPTER 1 INTRODUCTION A Warning A Read the user manual before operating and follow all safety information Only use the meter as specified in this user manual Never use this meter on a circuit with volt ages greater than 600Vrms 50 60Hz CAT IV or 1000V CAT III Never measure current while the test leads are connected to the input jacks Do not operate the meter if the body or test leads look damaged Check the rotary range switch and make sure it is at the correct position before each measurement Do not perform resistance and continuity test on a live circuit Use extreme caution when measuring live systems with voltages greater than 60Vpc or 30Vac Use extreme care when working around bus bars and bare conductors Do not use the meter in over range overload conditions QL For accurate readings change the battery when the symbol appears Clamp on Meter Models 670 and 675 3 1 1 International Electrical Symbols This symbol signifies that the instrument is protected by double or reinforced insulation This symbol on the instrument indicates a WARNING and that the ope
15. rator 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 biti SS P g 1 2 CAT I CAT Il CAT Ill CAT IV 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 sig nifies that application around and removal from HAZARDOUS LIVE conductors is permitted Ground In conformity with WEEE 2002 96 EC Definition of Measurement Categories For measurements on circuits not directly con nected to the AC supply wall outlet such as protected secondaries signal level and limited energy circuits For measurements performed on circuits directly connected to the electrical distribution system Examples are measurements on household appliances or portable tools For measurements performed in the building installation at the distribution level such as on hardwired equipment in fixed installation and circuit breakers For measurements performed at the primary electrical supply lt 1000V such as on primary overcurrent protection devices ripple control units or meters Clamp on Meter Models 670 and 675 1 3 Receiving Your Shipment Upon receiving your shipment make sure that the con tents are consistent with the packing list
16. the rotary switch to OFF e Press and hold down the HOLD button and set the rotary switch to any position other than OFF The symbol disappears and Auto Power OFF is deactivated Clamp on Meter Models 670 and 675 9 2 4 4 DISPLAY Button When measuring voltage or AC current pressing the DISPLAY button replaces the measurement shown in the lower display with the frequency measurement of the variable shown in the main display Pressing again returns to the previous display In temperature measurement pressing DISPLAY switches the displays from C to F of the measured temperature 2 4 5 MIN MAX Function 500ms Pressing the MIN MAX button once will set the meter to MIN mode Pressing it twice will set the meter to MAX mode Pressing it three times will set the meter back to normal operation 2 4 6 Peak Function 1ms This function is used for measuring 1 ms peak values in voltage or current To activate the function press the MIN MAX PEAK button for at least 2 seconds until PEAK is displayed To exit this function press the button again for at least 2 seconds or press the HOLD button twice The clamp will then return to normal mode 2 4 7 Backlight Button Press the button once to turn the backlight on Press it again to turn it off When backlight is on the meter will automatically turn the backlight off after approximately 3 minutes 10 Clamp on Meter Models 670 and 675 CHAPTER 3 SPECIFIC
17. tion 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 ship ping container If the instrument is returned for calibration we need to know if you want a standard calibration or a calibra tion 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 Phone 800 945 2362 or 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 trace able to N I S T are available NOTE A CSA must be obtained 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 sup port hotline Chauvin Arnoux Inc d b a AEMC Instruments 200 Foxborough Blvd Foxborough MA 02035 USA Phone 800 343 1391 or 508 698 2115 Fax 508 698 2118 techsupport aemc com www aemc com NOTE Do not ship instruments to our Foxborough MA address Clamp
18. ution Accuracy 1000V 0 0 to 999 9V 0 1V 1 2cts 1400V 1000 to 1400V 1V Input Resistance 1MQ Overload 1400vDC Resistance Ohms Q Range Measuring Range Resolution Accuracy 10002 0 0 to 999 92 0 10 1 3cts 10 0002 1000 to 99990 10 3 3Vpc Vmax Protection 1000Vrms Continuity Range Beeper Activation Accuracy 1 3cts en lt 350 3 3Vbc Vmax Protection 1000Vrms Frequency Hz Function Range Resolution Sensitivity Accuracy A Hz 1000Hz 0 1Hz 3Arms 1 0 2cts V Hz 10 000Hz 1Hz 5Vrms 12 Clamp on Meter Models 670 and 675 Temperature C F Range Measuring Range Resolution Accuracy 1000 C 40 to 999 5 C 0 5 C 1 0 2 C 1200 C 1000 to 1200 C 1 C 2192 F 40 to 2192 F 1 F 1 0 4 C Low Battery Indicator is displayed when the voltage supplied by the battery is lower than the operating voltage The measurements are then guaranteed for only a short period Power supply 9V NEDA 1604 6F22 alkaline Battery Life no buzzer or backlight 35 hours 670 30 hours 675 Polarity EEE displayed when negative signal applied to input 3 2 Mechanical Specifications Digital Display 3 3 4 digits LCD dual display max reading 9999 Jaw Opening 670 1 65 42mm 675 1 58 40mm Dimension L x W x D 670 10 71 x 3 15 x 1 69 272 x 80 x 43mm 675 10 12 x 3 15 x 1 69 257 x 80 x 43mm Weight 670 17 oz 480g with battery 675
19. utton for approx 2s Clamp the jaws around the conductor to be measured The main display is Anc the secondary display is Vpc The DISPLAY button is inoperative lf reading is unstable and is hard to read push the HOLD button and read the measurement WARNING If overload DL is displayed unclamp the meter immediately Clamp on Meter Models 670 and 675 17 4 4 AC Volt Measurement WARNING Maximum Input Voltage is 600V Do not exceed this voltage to avoid electrical shock and or damage to the instrument Turn the rotary range switch to the Vac range Insert the red test lead to the red input jack and the black lead to the black COM input jack Connect the test probe tips to the voltage to be mea sured If reading is unstable and is hard to read push the HOLD button and read the measurement WARNING Immediately disconnect the meter if overload GL is displayed 18 Clamp on Meter Models 670 and 675 45 DC Volt Measurement Turn the rotary range switch to the Voc range Insert the red test lead to the red input jack and the black lead to the black COM input jack Connect the test probe tips to the voltage to be mea sured If reading is unstable and is hard to read push the HOLD button and read the measurement WARNING Immediately disconnect the meter if overload GL is displayed Clamp on Meter Models 670
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