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AEMC-403-User Manual - Weschler Instruments

1. 23 3 6 1 Lead Resistance Compensation 23 3 7 RESISTANCE MEASUREMENT esses 24 3 8 DIODE TEST gt 3 9 CURRENT MEASUREMENT A sese 25 3 9 1 AC Measurement nennen enne 25 4 5 O ON 3 9 2 MAINS 26 3 10 STARTING CURRENT OR OVERCURRENT True InRush MEASUREMENT 5 ei tere beer e ri aa 27 3 11 FREQUENCY MEASUREMENT HZ essent 27 3 11 1 Frequency Measurement NI 27 3 11 2 Frequency Measurement 28 3 12 TEMPERATURE MEASUREMENT eene 29 3 12 1 Measurement without External 29 3 12 2 Measurement with External Sensor 29 3 13 ADAPTER FUNCTION MEASUREMENT EEN 30 SPECIFICATIONS Seege eege 31 4 1 REFERENCE CONDITIONS essent tenete nennen tenete 31 4 2 SPECIFICATIONS UNDER THE REFERENCE CONDITIONS 31 4 2 1 DC Voltage Measurement 31 4 2 2 AC Voltage Measurememt 32 423 DC Current Measurement 32 4 2 4 Current Measurement nennen 33 4 2 5 True Inrush Measurement A 33 4 2 6 Continuity Meaeuremenmt 33 4 2 7 Resistance 34 4 2 8 Eder lee 34 4 2 9 Frequency Measurements 34 4
2. Successive presses on Function First press Holds the display of the last value ET displayed Second press Returns to normal display mode the value of each new measurement is displayed m ADC Performs automatic zero correction see 3 9 2 2 oci NOTE This mode operates if the MAX MIN or HOLD modes short press are first de activated long ER Performs automatic lead resistance 2 sec compensation see 3 6 1 See 2 4 2 and 2 5 2 for the ER button functionality in combination with the and buttons 13 22 YELLOW BUTTON SECOND FUNCTION This button is used to select the type of measurement AC DC and the second functions marked in yellow next to the relevant positions of the switch It can also be used to modify the default values in the configuration mode see S 3 4 NOTE This button is invalid in the MAX MIN HOLD and AREL modes Successive Function Selects AC or DC Depending on your choice the screen displays AC or DC Cycles through the continuity 9 Q and diode test modes and returns to the continuity test Selects C or F as the temperature unit E 23 BUTTON Successive presses on Function Enables disables the backlighting of the display HE NOTE The backlighting is automatically disabled at the end of 2 minutes 14 2 4 BUTTON 2 4 1 Normal Mode This butt
3. to 1200 C 9 76 0 to 1831 8 F 1832 to 2192 F Specified Measurement 1 to 100 of the 0 to 100 of the Range measurement range measurement range 1 R 3 1 R 3 C 196 5 4 1 5 4 8 0 1 C 1 Note 1 The stated external temperature measurement accuracy does not take the accuracy of the K thermocouple into account Note 2 Use of the thermal time constant 0 7 C If there is a sudden variation of the temperature of the clamp by 10 C for example the clamp will be at 99 cnst 5 of the final temperature after 0 7min Cx10 Cx5 35 min the time constant of the external sensor must be added to this value Specific Specifications in MAX MIN mode 10Hz to 1kHz e Accuracy add 196 R to the values of the table above e Capture of the extreme approximately 100ms 35 4 2 11 Adapter Function Measurement 4 2 11 1 In DC mode Measurement Range 1 0 0 to 999 9mV 1 00 to 9 99V Specified Measurement Range 2 0 to 100 of the measurement range Accuracy 1 R 8cts Resolution 0 1mV 10mV Input Impedance 10MQ 4 2 11 2 In AC mode Measurement Range 1 5 0 to 999 9mV 1 00 to 9 99V Specified Measurement 1 to 10096 of the 0 to 100 of the Range 2 measurement range measurement range 5 0 to 99 9mV Accuracy 2 us 22 1 R 3 t 1 R 8cts Resolution 0 1mV 10mV Input Impedance 10MQ Note 1 The basic display is 10 000 counts The position of
4. 2 10 Temperature Measurement 35 4 2 11 Adapter Function 36 4 3 ENVIRONMENTAL CONDITIONS esee 36 4 4 MECHANICAL SPECIFICATIONS EE 37 45 POWERSUPPELY 5 ARR al ee aereas 37 4 6 COMPLIANCE WITH INTERNATIONAL STANDARDS 37 4 ENVIRONMENTAL VARIATIONS esee 38 MAINTENANDGE cz nere e EERSTEN 39 5d WARNING nine cited reed cete tet cer oce Red nes 39 5 2 CLEANING EE 39 5 3 REPLACEMENT OF THE BATTERIES seen 39 REPAIR AND CALIBRATION eene enne enne nnne nnne 40 TECHNICAL AND SALES 5 5 40 LIMITED WARRANTY 41 WARRANTY REPAIRS nennen nnn 41 Thank you for purchasing a Model 403 Clamp on Meter For best results from your instrument and for your safety read the enclosed operating instructions carefully and comply with the precautions for use These products must be only used by qualified and trained users Meanings of the symbols used on the device CAUTION Risk of Danger Indicates a WARNING and that the operator A must refer to the user manual for instructions before operating the instrument in all cases where this symbol is marked Risk of electric shock The voltage at the part
5. be measured The device selects AC or DC automatically according to which measured value is larger The AC or DC symbol displays blinking in auto detect mode To select AC or DC manually press the yellow button to toggle between them The symbol corresponding to the choice will then display The measured value is displayed on the screen 22 3 6 CONTINUITY TEST Warning Before performing the test make sure that the circuit is off and all capacitors have been discharged 1 Set the switch to EI the e symbol is displayed 2 Connect the black lead to the COM terminal and the red lead to the terminal 3 Connect the test probes or the alligator clips to the circuit or component to be measured An audible signal is emitted if there is continuity resistance value is below the maximum threshold see 3 4 1 and the measured value is displayed on the Screen 3 6 1 Lead Resistance Compensation Warning Before the compensation is executed the MAX MIN and HOLD modes must be de activated To perform automatic compensation of the test lead resistance proceed as follows Short circuit the leads connected to the meter 2 Hold the C9 button down until the display unit indicates the lowest value The device measures the resistance of the leads 3 Release the ER button The correction and the symbol are displayed The value displayed is stored NOTE The correction value is stored only if it
6. desired choice is reached 2 Clamp the jaws around the conductor to be measured The measured value is displayed on the screen 26 3 10 STARTING CURRENT OR OVERCURRENT True InRush MEASUREMENT To measure a starting current or overcurrent proceed as follows 1 Set the switch to correct the DC zero see 53 9 2 then clamp the jaws around the conductor to be measured Perform a long press on the button The InRh symbol is displayed along with the triggering threshold The clamp then awaits detection of the True InRush current is displayed and the A symbol flashes After detection and acquisition for 100 ms the RMS value of the True InRush current is displayed Pressing the GJ button will display the PEAK PEAK values subsequently A long press on the button or a change of function on the rotary switch will exit the True InRush mode NOTE The triggering threshold in A is 10A if the initial current is zero starting of installation For an established current overload in an installation see 83 4 3 3 11 FREQUENCY MEASUREMENT HZ The frequency measurement is available in V and A for AC measurements The measurement is based on a count of zero crossings positive going edges 3 11 1 Frequency Measurement V To measure the frequency in voltage proceed as follows 1 2 Set the switch to and press the ve button The Hz symbol is displayed Select by pres
7. electrical measuring instrument that combines the following functions Current measurement Measurement of InRush current overcurrent True InRush Voltage measurement Frequency measurement Continuity test with buzzer Resistance measurement Diode test Temperature measurement Adapter function for use with external transducers measurement devices Item Designation See 4 Jaws with centering marks 3 5 to see connection principles 3 12 1000v CAT IV SAX 2 2 Physical Guard 3 Rotary Function Switch 1 1 4 Function Buttons 2 5 Backlit Display 1 3 6 Input Terminals 1 4 7 Trigger 5 6 Figure 1 Clamp on Meter Model 403 11 THE ROTARY SWITCH The rotary switch has six positions To access the D I CS functions set the switch to the desired function The functions are described in the table below 6 5 4 3 2 1 Figure 2 The Function Rotary Switch Item Function See 1 OFF mode Turns the clamp on meter off 3 3 2 AC DC voltage measurement V 3 5 3 Continuity test 3 6 Resistance measurement Q 3 7 Diode test 3 8 4 AC DC current measurement A 3 9 5 Temperature measurement C F 3 12 6 Adapter function 3 13 12 THE FUNCTION BUTTONS Figure 3 The Function Buttons Item Function See 1 Holds the last value on the display 2 1 Zero correction Apc 3 9 2 Lead resistance compensation in the continu
8. emitted to enter configuration mode The display unit indicates the stored scale factor value The default stored value is 10 The possible values are in order 1 10k 100k 100m 10m 1m 100 10 see 3 13 2 change the value of the scale factor press the yellow button The currently active scale factor is displayed Each press of the yellow button displays the next value in the list above Once the scale factor displayed has been chosen turn the switch to another position The value chosen is stored and a double beep is emitted 21 3 4 6 Default Configuration To reset the clamp on meter to its default parameters factory configuration 1 Inthe OFF position hold the gt yellow button down while turning the switch to a until the full screen display ends and a beep is emitted The rSt symbol is displayed 2 After 2 s the clamp on meter emits a double beep then all of the digital symbols of the screen are displayed until the yellow button is released The default parameters are then restored e Continuity detection threshold 400 e InRush triggering threshold 10 e Temperature measurement unit C e Adapter function scale factor 10 3 5 VOLTAGE MEASUREMENT V To measure voltage proceed as follows 1 Set the switch to 2 Connect the black lead to the COM terminal and the red lead to the terminal 3 Connect the test probes or the alligator clips to the circuit to
9. is 20 Above 20 the value displayed blinks and is not stored 23 3 7 RESISTANCE MEASUREMENT Q Warning Before making a resistance measurement make sure that the circuit is off and all capacitors have been discharged Set the switch to and press the yellow button Q symbol is displayed Connect the black lead to the COM terminal and the red lead to the terminal Connect the test probes or the alligator clips to the circuit or component to be measured The measured value is displayed on the screen NOTE To measure low resistance values first perform lead resistance compensation see 3 6 1 3 8 DIODE TEST sr Warning Before performing the diode test make sure that the circuit is off and all capacitors have been discharged 1 Set the switch to and press the yellow button twice The gt symbol is displayed Connect the black lead to the COM terminal and the red lead to the terminal Connect the test probes or the alligator clips to the component to be tested 24 The measured value is displayed on the screen 4 Reverse the leads on the diode and repeat the test 3 9 CURRENT MEASUREMENT A The jaws are opened by pressing the trigger on the body of the meter The arrow on the jaws of the clamp on meter see the diagram below should point in the presumed direction of current flow from the generator to the load Make sure that the jaws have clo
10. is defective the temperature displayed blinks f there are large variations of the initial temperature environment of the meter and the measurement environment the measurement must be preceded by a stabilization time 29 3 43 ADAPTER FUNCTION MEASUREMENT This function makes it possible to connect any adapter or sensor that converts a measured electrical or physical quantity into a voltage either DC or AC A direct immediate reading is obtained without applying a conversion factor The measurement mode AC or DC the default must be chosen manually using the yellow button The scale factor for the adapter or sensor must be chosen in advance in the instruments set up 83 4 5 The table below indicates the various adapter sensor sensitivities that allow a direct reading once the scale factor has been chosen Adapter Sensor Scale Factor to be Sensitivity Programmed 10 mV kX 0 01 mV X 10k 100 mV kX 0 1 mV X 100 k 1 mV X 1 10 mV X 10 100 mV X 100 1000 mV X 1 mV mX 1m 10 mV mX 10m 100 mV mX 100 m NOTE The value represented as X is valid for any quantity humidity RH illumination lux speed m s flow GPM etc 1 Connect the black lead to the COM terminal and the red lead to the terminal Set the switch to E Select the AC or DC mode Connect the adapter according to its directions for use 30 4 SPECIFICATIONS 4 4 REFERENCE CONDITIONS Quantities of Influe
11. of new MAX MIN values 2 4 3 Access to the True Inrush Mode set switch to This button allows measurement of the True Inrush current starting current or overcurrent in steady state operation for AC or DC current Successive presses on MAX MIN Function First press Enters the True InRush m mode Inrh is displayed for 3s the backlighting blinks The triggering threshold is displayed for 5s the backlighting is steady long 2 sec s displayed and the A symbol flashes backlighting turns off After detection and acquisition the InRush current measurement is displayed after the calculations stage backlighting off NOTE The A symbol flashes to indicate surveillance of the signal Second press Exits the True InRush mode returns to simple current measurement short lt 2 sec Displays the PEAK value of the current D Displays the PEAK value of the current Note A short press is functional only if a True InRush value has been detected Displays the RMS True InRush current NOTE The A AC and PEAK values flash during this sequence 16 2 5 BUTTON This button is used to display the frequency measurements of a signal NOTE This button is not functional in the DC mode 2 5 1 Normal Mode Successive presses on ms Function 29 Displays EX The frequency of the signal measured The present
12. voltage V or current A measurement 2 5 2 Hz Function Activation of the HOLD Mode Successive presses n CS Function Holds the last frequency reading EX Successively displays the last held frequency then the voltage or the current NOTE Pressing the Dutton a second time returns to realtime measurement updates 17 2 6 BUTTON This button is used to display and store the reference value in the unit of magnitude measured or to display the differential and relative values in 96 Successive presses on Function short HAGA Enters the AREL mode to store then display the reference value The ARef symbol is displayed Displays the differential value current value reference A The AREL symbol is displayed Displays the relative value in 96 current value reference A The AREL and symbols are displayed Displays the reference The ARef symbol is displayed Displays the current value The ARef symbol blinks long gt 2 sec EEEE Exits from the AREL mode NOTE The Relative mode AREL function can also be used with the functions of the MAX MIN mode 18 3 USE 3 4 INSTALLING THE BATTERIES Insert the batteries supplied with the device as follows 1 Using a screwdriver unscrew the battery compartment cover item 1 from the back of the housing 2 Insert the 4x1 5V AA batteries supplied item 2 observing polariti
13. 2 1000 CAT IV MODEL 403 TAMS CLAMP METEN 1000V Authorized Distributor W ESCHLER INSTRUMENTS phone 800 903 9870 440 378 6580 fax 800 903 9590 440 238 0660 www Wweschler com info weschler com User Manual AE M C 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 Model Please fill in the appropriate date as indicated Date Received Date Calibration Due Chauvin Arnoux Inc GIA d b a AEMC Instruments AEMG www aemc com SSCS SSCS SCC SOS CIOS Cn SIO SI CONTENTS RECEIVING YOUR SHIPMENT scsssssssssssssssesssesssessscsssesssesssesssessseessesssessseesess 7 ORDERING INFORMATION 7 1 PRESENTATION EE 8 11 THE ROTARY SWITCH iieecsccssssssssssssssssssssessssssssesesessssssssssssnsee
14. 20 2 To change the threshold press the men yellow button The value flashes each press on the ges yellow button displays the next value To record the chosen threshold apply a long press gt 25 on the ES yellow button A confirmation beep is emitted When the desired value is displayed turn the switch to another setting The chosen threshold is stored and a double beep is emitted NOTE The starting InRush current measurement triggering threshold is fixed at 196 of the least sensitive range This value is 196 of 99 99A or 1A This threshold is not adjustable 3 4 4 Changing the Default Temperature Unit To change the measurement unit C or F 1 In the OFF position hold the EB yellow button down while turning the switch to ED until the full screen display ends and a beep is emitted The display will indicate the currently assigned unit C or F The default unit is C 2 Pressing the yellow button toggles between C and F When the desired unit is displayed turn the switch to another setting The unit chosen is stored and a double beep is emitted NOTE Pressing the yellow button during an active temperature measurement will toggle between C and F 3 4 5 Configuring the Adapter Function Scale Factor To configure the Adapter function scale factor 1 From the OFF position hold the yellow button down while turning the switch to until the full screen display ends and a beep is
15. cates OL the table above Capture of the extreme approximately 100ms Measurement Range 0 000 to 3 199 Specified Measurement Range 1 to 100 of the measurement range Accuracy t 196 R 3cts Resolution 0 001V Measurement Current 0 55mA Indication junction reversed or open circuit OL is displayed when the measured voltage gt 3 199V Note The sign is disabled for the diode test function 4 2 9 Frequency Measurements 4 2 9 4 Voltage Measurement Range 1 5 0 to 999 9Hz 25 1 to 10096 of the Geen Measurement eeben 9 range Accuracy Resolution 34 1000 to 9999Hz 10 to 19 99kHz 0 to 100 of the measurement range 10Hz 0 496 R 1ct 1Hz 4 2 9 2 Current Measurement Range 1 5 0 to 1999Hz Specified Measurement Range 1 to 10096 of the measurement range Accuracy 0 496 R 1ct Resolution 0 1Hz Note 1 n MAX MIN mode the operating range is limited to 1kHz If the level of the signal is too low 1096 of the range or V 10V or lt 10 or if the frequency is less than 5Hz the device cannot determine the frequency and displays Specific Specifications MAX MIN mode from 10Hz to 1kHz e Accuracy add 1 R to the values of the table above e Capture of the extreme approximately 100ms 4 2 10 Temperature Measurement External temperature Type of Sensor K thermocouple Nicdisuiement Rande 60 0 to 999 9 C 1000
16. 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 probe CLEANING Disconnect everything connected to the device and set the switch to OFF Use a soft cloth moistened with soapy water Rinse with a damp cloth and dry quickly using a dry cloth or forced air Dry completely before putting back into use REPLACEMENT OF THE BATTERIES The symbol indicates that the batteries low When this symbol appears on the display unit the batteries must be replaced The measurements and specifications are no longer guaranteed To replace the batteries proceed as follows 1 2 3 Disconnect the measurement leads from the input terminals Set the switch to OFF Using a screwdriver unscrew the battery compartment cover from the back of the housing see 3 1 Remove the used batteries and replace them with 4x1 5V AA batteries observing the polarities Close the battery compartment cover and screw it onto the housing 39 6 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 Authori
17. es 3 Close the battery compartment cover and screw it onto the housing Figure 6 The Battery Compartment 3 2 TURNING THE CLAMP ON METER ON e With the rotary switch set in the OFF position turn the switch to the desired function The display lights all symbols for a few seconds see 81 3 then the screen of the function chosen is displayed e clamp on meter is now ready to make measurements 3 3 TURNING THE CLAMP ON METER OFF The clamp on meter can be turned off in two ways e Manually Turn the switch to the OFF position e Automatically After ten minutes with no activity the instrument will turn OFF Thirty 30 seconds before the device is switched off an audible signal sounds intermittently To re activate the device press any button or turn the rotary switch 3 4 CONFIGURATION As a safety measure and to avoid repeated overloads on the inputs of the device configuration operations should only be performed when the device is disconnected from all dangerous voltages 3 4 1 Configuring the Maximum Resistance for Continuity To configure the maximum resistance allowed for a continuity 1 With the switch in the OFF position hold the yellow button down while turning the switch to R I until the full screen display ends and a beep is emitted The display will indicate the value below which the buzzer is activated and the symbol is displayed The value stored by default is 400 The possible value
18. es and currents between terminals or with respect to earth Do not use the instrument if it appears to be damaged incomplete or not properly closed Before each use check the condition of the insulation on the leads housing and accessories Any element of which the insulation is deteriorated even partially must be set aside for repair or scrapped Use leads and accessories rated for voltages and categories at least equal to those of the instrument If not an accessory of a lower category lowers the category of the combined Clamp accessory to that of the accessory Observe the environmental conditions of use Do not modify the instrument and only use factory replacement parts Repairs and adjustments must be done by approved qualified personnel Replace the batteries as soon as the _ symbol appears on the display of the unit Disconnect all leads before opening the battery compartment cover Use personal protective equipment when conditions require Keep your hands away from the unused terminals of the instrument When handling the test probes alligator clips and clamp ammeters keep your fingers behind the physical guard Asa safety measure and to avoid repeated overloads on the inputs of the device configuration operations should only be performed when the device is disconnected from all dangerous voltages MEASUREMENT CATEGORIES Definitions of the measurement categories CAT II Circuits di
19. how on the display Residual current at zero 150mA Specific Specifications in MAX MIN mode from 10Hz to 1kHz and from 0 30A in AC e Accuracy with zero corrected add 1 R to the values of the table above e Capture of the extreme approximately 100ms 4 2 5 True Inrush Measurement Measurement Range 10 to 1000 10 to 1500 Specified Measurement Range 0 to 100 of the measurement range Accuracy 5 R 5cts Resolution 1A Specific Specifications in PEAK mode in True InRush from 10Hz to 1kHz e Accuracy add 1 5 R 0 5A to the values in the table above e PEAK capture time 1ms min to 1 5ms max 4 2 6 Continuity Measurement Measurement Range 0 0 to 999 90 Open circuit Voltage 8v Measurement Current 550uA Accuracy 1 8cts Buzzer Triggering Threshold Adjustable from 1 to 9990 400 is the default 33 427 Resistance Measurement 0 0 to 999 90 1 to 10096 of the measurement range Measurement Range 1 Specified Measurement Range Accuracy t Resolution 0 10 Open circuit Voltage Measurement Current 5504A 1000 to 10 00 to 99990 99 99kQ 0 to 100 of the measurement range 1 R 8cts 10 lt 8V 100 10 109 Note 1 Above the maximum display value the The and signs are not managed Specific Specifications in MAX MIN mode e Accuracy add 1 R to the values of 4 2 8 Diode test display unit indi
20. ity and 3 6 1 ohmmeter functions 2 Selects the type of measurement and configuration 22 functions AC DC 3 Enables disables display backlighting 2 3 4 Enables disables the MAX MIN mode 24 Enables disables the True InRush mode 5 Performs Frequency measurements Hz 2 5 6 Activation of AREL mode Displays differential and 26 relative values 10 13 THE DISPLAY 6 0 e gt 1 IUIS TAs 3 Max Mm r AC DC C F gt 7 Figure 4 The Display Item Function See 1 Mode selection display 2 2 Active measurement value and unit display 3 5 to 3 12 3 Display of the MAX MIN modes 2 4 4 Type of measurement AC or DC 2 2 5 Selected resistance measurement display 1 1 6 Low battery indication 5 3 7 Temperature unit display 3 4 4 1 3 1 Display Symbols Symbol Designation AC Alternating current or voltage DC Direct current or voltage AREL Relative value with respect to a reference ARef Reference value HOLD Storage of the values and display hold Max Maximum DC or RMS value Min Minimum DC or RMS value V Volt 11 Hz Hertz A Ampere CIE Temperature unit Celsius or Fahrenheit 96 Percentage Ohm m Milli prefix k Kilo prefix 0 Lead resistance compensation Continuity test gt Diode test Auto Power disabled Low bat
21. mpliant with standard EN 61326 1 Compatibility Classification residential environment Free fall 2m in accordance with standard Mechanical strength IEC 68 2 32 Housing IP54 per standard IEC 60529 Level of Protection Jaws IP40 37 47 ENVIRONMENTAL VARIATIONS Condition of Measurement RUE Influence Influence Influenced Typical MAX Max 0 1 R 10 C 4 to 4131 F A 0 1 R 10 C 0 5 R 10 C 2ct Temperature 20 to 55 C TC 1 R 10 C 1 5 R 10 C 2ct ott 0 2 R 1 C 10 C 0 3 R 2 C 10 C ue 0 196 10 2ct 0 196 10 3ct Humidity 10 to 90 RH M 0 196 R 0 196 1ct 10Hz to 1kHz V 196 R 1 ict 1kHz to 3kHz 896 R 9 R 1ct Frequency 10Hz to 400Hz n 1 196 ict 400Hz 2kHz 496 R 596 R 1ct Position of A iti the conductor eode in the A 296 R 496 R ict perimeter of jaws the jaws f lt 400Hz Adjacent conductor ental external A 40 dB 45 dB 150ADC or perimeter of RMS the jaws Conductor enclosed by 0 to 500ARMS V 1ct ict the clamp Application of a voltage on 9 m Me M A 1ct 396 R 1ct the clamp 1 4 to 3 5 limited A AC 1 R Peak factor to 1500A peak V AC 195 R 396 R 1ct 1400V peak 38 5 1 5 2 5 3 5 MAINTENANCE WARNING 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
22. nce Reference Conditions Temperature 23 C 2 C Relative humidity 45 to 75 Supply voltage 6 0V 0 5V Frequency range of the applied signal 45 to 65Hz Sine wave pure Peak factor of the applied alternating signal V2 Position of the conductor in the clamp centered Adjacent conductors none Alternating magnetic field none Electric field none 4 22 SPECIFICATIONS UNDER THE REFERENCE CONDITIONS Accuracy is expressed in x of the reading R y counts ct 4 2 1 DC Voltage Measurement Measurement range Specified measurement range 0 00 to 9 99V 1 R 10cts 10 00 to 99 99V 1 R 8cts Accuracy Resolution Input impedance 0 00 to 99 99V 100 0 to 999 9V 0 to 100 of the measurement range 1 R 8cts Note 1 display indicates OL above 2000V and OL below 2000V in REL mode The and signs are managed Above 1000V a repetitive beep indicates that the voltage being measured is greater than the safety voltage for which the device is guaranteed The display indicates OL 31 4 2 2 Voltage Measurement 0 15 to 99 99V 100 0 to 999 9V Measurement range 1000V RMS 1400V peak 1 Specified measurement 0 to 100 of the measurement range range 2 0 15 to 9 99V Accuracy EA os Eu 196 43cts t 1 R 8cts Resolution 0 01V 0 1V 1V Input impedance 10MO Note 1 Above 1000V RMS a repetitive beep i
23. ndicates that the voltage being measured is greater than the safety voltage for which the device is guaranteed The display indicates OL Note 2 value between zero and the min threshold of the measurement range 0 15V is forced to show on the display Specific Specifications in MAX MIN mode from 10Hz to 1kHz and from 0 30V in AC Accuracy add 196 R to the values of the table above e Capture of the extreme approximately 100ms 4 2 3 DC Current Measurement Measurement 0 00A to 100 0A to 1000A Range 2 99 99A 999 9A to 1500A 1 Specified 0 to 100 of the measurement range measurement range Accuracy 2 1 R 10cts 1 R 3 zero corrected Resolution 0 01A 0 1A 1A Note 1 display indicates OL above 3000A and OL below 3000A in REL mode The and signs are displayed Note 2 The residual current at zero depends on the remanence It can be corrected by the DC zero function of the HOLD button 32 4 2 4 Current Measurement 0 15 to 99 99A 0 to 100 of the measurement range Measurement Range Specified Measurement Range 2 Accuracy Resolution 100 0 to 999 9A 1000A 1 1 10cts 1 R 8cts 1 5 R 3 1A Note 1 display indicates OL above 1500A in PEAK mode Note 2 AC any value between zero and the min threshold of the measurement range 0 154 is forced to s
24. on activates the detection of the MAX and MIN values of the measurements made Max and Min are the extreme mean values in DC and the extreme RMS values in AC NOTE In this mode the Auto Power Off function of the device is automatically disabled The symbol is displayed on the screen Successive presses on MAX MIN Function First press Activates detection of the MAX MIN values Second press Displays the MAX or MIN value successively e Third press Returns to the display of the present measurement without exiting from short the mode the values already detected are not erased NOTE The MAX and MIN symbols are both displayed but only the symbol of the measurement selected blinks Example If MIN has been selected MIN blinks and MAX is lit steadily Exits the MAX MIN mode The values previously recorded are then erased NOTE If the HOLD function is activated it is not possible to exit from the MAX MIN mode The HOLD function must first be disabled first long 2 sec Heu s NOTE AREL function can be used with the functions of the MAX MIN mode 15 2 4 0 MAX MIN Mode Activation of the HOLD Mode Successive presses on MAX MIN Function short HAGA e Displays the MAX MIN values detected before the button was pressed When the is pressed the last value is held on the display NOTE The HOLD function does not interrupt the acquisition
25. rectly connected to the low voltage installation Example power supply to household electrical appliances and portable tools CAT Ill Power supply circuits in the installation of the building Example distribution panel circuit breakers fixed industrial machines or devices CAT IV Circuits supplying the low voltage installation of the building Example power lines meters and protection devices 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 carrier and notify your distributor at once giving a detailed description of any damage Save the damaged packing container to substantiate your claim ORDERING INFORMATION Clamp on Meter Model 403 eene Cat 2139 21 Includes set of 2 color coded silicone insulated test leads test probes and alligator clips K thermocouple with 4mm integrated adapter soft carrying case 4x1 5V AA batteries and user manual Replacement Parts K thermocouple with 4mm Integrated Cat 2139 71 Soft Carrying Cat 2139 72 Set of 2 Color coded Silicone Test Leads Test Probes amp Alligator Clips Cat 2152 05 1 PRESENTATION The Clamp on Meter Model 403 is a professional
26. s marked with this symbol may be dangerous Refers to a type A current sensor This symbol signifies that application around and removal from HAZARDOUS LIVE conductors is permitted 1 5 V battery The CE marking indicates compliance with European directives Double insulation or reinforced insulation 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 AC Alternating current AC and DC Alternating and direct current Ground Earth IE 2 EH 15 0 PRECAUTIONS FOR USE This device complies with safety standards IEC 61010 1 and 61010 2 032 for voltages of 1000V in category IV at an altitude of less than 2000m indoors with a degree of pollution not exceeding 2 These safety instructions are intended to ensure the safety of persons and proper operation of the device operator and or the responsible authority must carefully read and clearly understand the various precautions to be taken in use f this instrument is used other than as specified the protection it provides may be compromised thereby endangering you Do not use the instrument in an explosive atmosphere or in the presence of flammable gases or fumes Do not use the instrument on networks of which the voltage or category exceeds those mentioned Do not exceed the rated maximum voltag
27. s range between 10 and 9990 2 change the threshold press the yellow button The right hand digit flashes each press on the yellow button increments it To shift to the next digit apply a long press gt 2s to the yellow button When the desired value is displayed turn the switch to another setting The detection threshold chosen is stored and a double beep is emitted 3 4 2 Auto Power OFF The Auto Power OFF feature is enabled by default To disable it perform the following 1 In the OFF position hold the button down while turning the switch to until the full screen display ends and a beep is emitted The symbol is displayed 2 When the button is released the device is the voltmeter function in the normal mode 3 To return to Auto Power OFF turn the clamp on meter OFF and then back ON again 3 4 8 Configuring the Current Threshold for True InRush Measurement To configure the triggering current threshold of the True InRush measurement 1 In the OFF position hold the button down while turning the switch to until the full screen display ends and a beep is emitted The display will indicate the percentage overshoot to apply to the measured current to determine the measurement triggering threshold The value stored by default is 1096 representing 11096 of the established current measured The possible values are 5 10 20 50 70 100 150 and 200
28. sed correctly after clamping around the conductor NOTE The measurement results are optimal when the conductor is centered in the jaws aligned with the centering marks The device selects AC or DC automatically according to which measured value is larger The AC or DC symbol displays blinking in auto detect mode 3 9 1 Measurement For an AC current measurement proceed as follows 1 Set the switch to and select AC by pressing the yellow button The AC symbol is displayed 2 Clamp the jaws around the conductor to be measured The device selects AC or DC automatically The measured value is displayed on the screen 25 3 9 2 DC Measurement Set the switch to EJ and select DC if the display does not indicate 0 the DC zero must be corrected first Step 1 Correction of DC Zero Important The clamp must not be closed on the conductor during the DC zero correction Hold the clamp in the same position during the whole procedure so that the correction value will be exact Press the button until the device emits a double beep and displays a value near 0 The correction value is stored until the clamp is powered down NOTE The correction is effected only if the value displayed is 10A otherwise the value displayed blinks and is not stored The clamp must be recalibrated see 5 3 Step 2 Make a Measurement 1 The switch is set to Dl Select DC by pressing the yellow button until the
29. sing the yellow button until the desired choice is reached Connect the black lead to the COM terminal and the red lead to the terminal Connect the test probes or the alligator clips to the circuit to be measured 27 The measured value is displayed on the screen 3 11 2 Frequency Measurement A 1 Set the switch to press the button The Hz symbol is displayed 2 Select AC by pressing the yellow button until desired choice is reached 3 Clamp the jaws around the conductor to be measured The measured value is displayed on the screen 28 3 12 TEMPERATURE MEASUREMENT 3 12 1 Measurement without External Sensor 1 Setthe switch to ED The temperature blinking displayed is the internal temperature of the device It will be equal to the ambient temperature after a sufficiently long thermal stabilization time at least one hour 3 12 2 Measurement with External Sensor The device measures the temperature using a K thermocouple 1 Connect the K thermocouple to the COM and input terminals of the device observing the red and black banana plug telae Set the switch to ED Place the K thermocouple on the element or environment to be measured It must not be at a dangerous voltage 1000V A Veoh ec S The temperature will be displayed on the screen To change the unit to either F or C press the F yellow button NOTE If the external sensor
30. tery indicator 1 3 Measurement Capacity Exceeded OL The OL Over Load symbol is displayed when the display capacity is exceeded 1 4 THE TERMINALS The terminals are used as follows Item 1 2 Figure 5 The Terminals Function 1 COM black Input Terminal Jack 2 Positive red Input Terminal Jack 12 2 THE BUTTONS The buttons respond differently to short long and sustained presses The QE and keys provide additional functions as well as the detection and acquisition of parameters complementary to the basic measurements e Each of these buttons can be used independently of the others or in conjunction with each other This makes navigation simple and intuitive when reviewing measurement results e Itis possible for example to either look up in turn sequence the MAX MIN etc values of the RMS voltage alone then display relative values in parallel In this section the amp icon represents the possible positions of the switch for the button s functionality 21 This button is used to Store and look up the last values acquired specific to each function V A T according to the specific modes previously activated MAX MIN Hz AREL The present display is then maintained while the detection and acquisition of new values continues Perform automatic lead resistance compensation see 3 6 1 Perform automatic zero correction in ADC see 3 9 2
31. the decimal count and the display of multiples m and k depend on the programming of the scale factor e In DC the display indicates OL above 9999 counts and OL below 9999 counts The and signs are managed polarity e In AC the display indicates OL above 9999 counts Note 2 The max bandwidth is 1kHz Specific specifications in MAX MIN mode from 10Hz to 1kHz e Accuracy add 1 R to the values of the table above e Capture of the extreme approximately 100ms 4 3 ENVIRONMENTAL CONDITIONS Conditions Operating Storage Temperature 4 131 F 40 to 158 F 20 to 55 C 40 to 70 C Relative Humidity RH lt 90 up to 131 F 55 C lt 90 up to 158 F 70 36 4 4 MECHANICAL SPECIFICATIONS Rigid polycarbonate shell with over molded elastomer Housing covering UL94 V1 Polycarbonate Jaws Opening 1 9 48mm Clamping diameter 1 9 48mm LCD display unit Screen Blue backlighting Dimension 1 6 x 1 9 41 x 48mm Dimension 10 7 x 3 6 x 1 6 272 x 92 x 41mm Weight 1 32 Ibs 600g with the batteries 4 5 POWER SUPPLY Batteries 4x1 5V AA LR6 Battery life gt 350 hours without backlighting Auto Power Off After 10 minutes with no switch and or button activity 4 6 COMPLIANCE WITH INTERNATIONAL STANDARDS Compliant with standards IEC 61010 1 Electric Safety IEC 61010 2 30 and IEC 61010 2 32 1000V CAT IV Electromagnetic Co
32. tstiesssssesessesen 9 12 THE FUNCTION BUTTON 10 1383 THE DISPLAY 11 1 3 1 Display Symbols A 11 1 3 2 Measurement Capacity Exceeded OU 12 d rnit 12 2 THE BUTTONS inris eontra 13 RR 13 2 2 YELLOW BUTTON SECOND FUN 14 OMS fu te RR 14 24 WilisurTON 2 4 1 Normal Mode 2 4 8 MAX MIN Mode Activation of the HOLD Mode 2 4 3 Access to the True Inrush Mode EM set to 3 2 5 2222 2 54 Normal Mode 2 5 2 Hz Function Activation of the HOLD Mode 17 2 6 BUTTON 18 19 3 1 INSTALLING THE BATTERIES sese 3 2 TURNING THE CLAMP ON METER ON 3 8 TURNING THE CLAMP ON METER OFF 34 OONFIGURATION iere rn terne rante Pra eere dera 3 4 1 Configuring the Maximum Resistance for Continuity 20 3 4 2 Auto Power 20 3 4 3 Configuring the Threshold for True InRush Measurement 20 3 4 4 Changing the Default Temperature 21 3 4 5 Configuring the Adapter Function Scale Factor 21 3 4 6 Default 22 3 5 VOLTAGEMEAGUDEMENTIN 22 3 6 CONTINUITY TEST eat entier
33. zation 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 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 7 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 40

AEMC-403-User Manual - Weschler Instruments

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