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3.7 RESISTANCE MEASUREMENT

Ω

Warning:

Before making a resistance measurement, make sure that the circuit is

off and all capacitors have been discharged.

1. Set the switch to

and press the

(yellow) button. The

Ω

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.

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

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

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 component to be

tested.

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Содержание 203

Страница 1: ...203 CLAMP ON METER User Manual ENGLISH ...

Страница 2: ...2 ...

Страница 3: ... Function Activation of the HOLD Mode 17 2 6 BUTTON 18 3 USE 19 3 1 INSTALLING THE BATTERY 19 3 2 TURNING THE CLAMP ON METER ON 19 3 3 TURNING THE CLAMP ON METER OFF 19 3 4 CONFIGURATION 20 3 4 1 Configuring the Maximum Resistance for Continuity 20 3 4 2 Auto Power OFF 20 3 4 3 Configuring the Current Threshold for True InRush Measurement20 3 4 4 Changing the Default Temperature Unit 21 3 4 5 Conf...

Страница 4: ...AC Voltage Measurement 32 4 2 3 DC Current Measurement 32 4 2 4 AC Current Measurement 33 4 2 5 True Inrush Measurement 33 4 2 6 Continuity Measurement 33 4 2 7 Resistance Measurement 34 4 2 8 Diode test 34 4 2 9 Frequency Measurements 34 4 2 10 Temperature Measurement 35 4 2 11 Adapter Function Measurement 36 4 3 ENVIRONMENTAL CONDITIONS 37 4 4 MECHANICAL SPECIFICATIONS 37 4 5 POWER SUPPLY 37 4 6...

Страница 5: ... instrument in all cases where this symbol is marked Risk of electric shock The voltage at the parts 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 9V battery The CE marking indicates compliance with European directives Double insulation or reinforced insulation In the ...

Страница 6: ...e 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 t...

Страница 7: ...ibutor 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 203 Cat 2139 12 Includes set of 2 5 ft 1 5m needle tip color coded leads with 4mm right angle plug K thermo...

Страница 8: ...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 1 Jaws with centering marks see connection principles 3 5 to 3 12 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 F...

Страница 9: ...s are described in the table below 1 Figure 2 Function Rotary Switch Item Function See 1 Adapter function 3 13 2 Temperature measurement C F 3 12 3 AC DC current measurement A 3 9 4 Continuity test Resistance measurement Ω Diode test 3 6 3 7 3 8 5 AC DC voltage measurement V 3 5 6 OFF mode Turns the clamp on meter off 3 3 6 5 4 3 2 ...

Страница 10: ...on in the continuity and ohmmeter functions 2 1 3 9 2 3 6 1 2 Selects the type of measurement and configuration functions AC DC 2 2 3 Enables disables display backlighting 2 3 4 Activation of ΔREL mode Displays differential and relative values 2 6 5 Performs Frequency measurements Hz 2 5 6 Enables disables the MAX MIN mode Enables disables the True InRush mode 2 4 ...

Страница 11: ...ype of measurement AC or DC 2 2 6 Temperature unit display 3 4 4 7 Selected resistance measurement display 1 1 1 3 1 Display Symbols Symbol Designation AC Alternating current or voltage DC Direct current or voltage REL Relative value with respect to a reference Ref Reference value Storage of the values and display hold Max Maximum DC or RMS value Min Minimum DC or RMS value V Volt Hz Hertz 2 3 4 5...

Страница 12: ...tinuity test Diode test Auto Power Off disabled Low battery indicator 1 3 2 Measurement Capacity Exceeded OL The OL Over Load symbol is displayed when the display capacity is exceeded 1 4 TERMINALS The terminals are used as follows 1 2 Figure 5 Terminals Item Function 1 COM black Input Terminal Jack 2 Positive red Input Terminal Jack ...

Страница 13: ...his button is used to Store and look up the last values acquired specific to each function V A Ω T Adp according to the specific modes previously activated MAX MIN Hz ΔREL 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 Successive presses on...

Страница 14: ...ee 3 4 NOTE This button is invalid in the MAX MIN HOLD and ΔREL modes Successive presses on Function Selects AC or DC Depending on your choice the screen displays AC or DC Cycles through the continuity Ω and diode test modes and returns to the continuity test Selects C or F as the temperature unit 2 3 BUTTON Successive presses on Function Enables disables the backlighting of the display NOTE The b...

Страница 15: ...plays the MAX or MIN value successively Third press Returns to the display of the present measurement without exiting from 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 long 2 sec Exits the MAX MIN mode The values previousl...

Страница 16: ...ress Enters the True InRush mode Inrh is displayed for 3s the backlighting blinks The triggering threshold is displayed for 5s the backlighting is steady is 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 signa...

Страница 17: ...n Function Displays The frequency of the signal measured The present voltage V or current A measurement 2 5 2 The Hz Function Activation of the HOLD Mode Successive presses on Function Holds the last frequency reading Successively displays the last held frequency then the voltage or the current NOTE Pressing the button a second time returns to realtime measurement updates ...

Страница 18: ...eference value The ΔRef symbol is displayed Displays the differential value current value reference The ΔREL symbol is displayed Displays the relative value in current value reference The ΔREL and symbols are displayed Displays the reference The ΔRef symbol is displayed Displays the current value The ΔRef symbol blinks long 2 sec Exits from the ΔREL mode NOTE The Relative mode ΔREL function can al...

Страница 19: ...ch set in the OFF position turn the switch to the desired function The display lights all symbols for a few seconds see 1 3 then the screen of the function chosen is displayed The 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 Manually Turn the switch to the OFF position Automatically After ten minutes with no ac...

Страница 20: ...layed 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 t...

Страница 21: ...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 po...

Страница 22: ...n threshold 40Ω True InRush triggering threshold 10 Temperature measurement unit C Adapter function scale factor 1 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 be measured The device selects AC or DC automatically ac...

Страница 23: ...old 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 1 Short circuit the leads connected to the meter 2 Hold the button down until the display unit indicates the lowest value The de...

Страница 24: ...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 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 symbol is displayed 2 Conn...

Страница 25: ...fter 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 AC Measurement For an AC current measurement proceed as follows 1 Set the switch to and select AC ...

Страница 26: ... 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 Select DC by pressing the yellow bu...

Страница 27: ...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 3 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 cro...

Страница 28: ...quency Measurement A 1 Set the switch to and 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 ...

Страница 29: ... the K thermocouple to the COM and input terminals of the device observing the red and black banana plug polarity 2 Set the switch to 3 Place the K thermocouple on the element or environment to be measured It must not be at a dangerous voltage The temperature will be displayed on the screen To change the unit to either F or C press the yellow button NOTE If the external sensor is defective the tem...

Страница 30: ...rument s set up 3 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 Sensitivity Scale Factor to be Programmed 10 mV kX 0 01 mV X 10 k 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 1 m 10 mV mX 10 m 100 mV mX 100 m NOTE The value represented as X is valid for any quant...

Страница 31: ...THE REFERENCE CONDITIONS Accuracy is expressed in x of the reading R y counts ct 4 2 1 DC Voltage Measurement Measurement range 0 00 to 59 99V 60 0 to 599 9V 600 to 1000V 1 Specified measurement range 0 to 100 of the measurement range Accuracy from 0 00V to 5 99V 1 R 10cts from 6 00V to 59 99V 1 R 3cts 1 R 3cts Resolution 0 01V 0 1V 1V Input impedance 10MΩ Note 1 The display indicates OL above 200...

Страница 32: ...ero 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 1 R to the values of the table above Capture of the extreme approximately 100ms 4 2 3 DC Current Measurement Measurement Range 2 0 00 to 59 99A 60 0 to 599 9A 600 to 900A 1 Specified measurement range 0 to 100 of the m...

Страница 33: ...0A in AC Accuracy with zero corrected add 1 R to the values of the table above Capture of the extreme approximately 100ms 4 2 5 True Inrush Measurement Measurement Range 6 to 600AAC 6 to 900ADC 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 Accuracy add 1 5 R 0 5A to the values in t...

Страница 34: ...o the values of the table above Capture of the extreme approximately 100ms 4 2 8 Diode test Measurement Range 0 000 to 3 199VDC Specified Measurement Range 1 to 100 of the measurement range Accuracy 1 R 10cts Resolution 0 001V Measurement Current 0 55mA Indication junction reversed or open circuit OL is displayed when the measured voltage 3 199V Note The sign is disabled for the diode test functio...

Страница 35: ...perature Type of Sensor K thermocouple Measurement Range 60 0 to 599 9 C 76 0 to 1111 8 F 600 to 1200 C 1112 to 2192 F Specified Measurement Range 1 to 100 of the measurement range 0 to 100 of the measurement range Accuracy 1 1 R 3 C 1 R 5 4 F 1 R 3 C 1 R 5 4 F Resolution 0 1 C 0 1 F 1 C 1 F Note 1 The stated external temperature measurement accuracy does not take the accuracy of the K thermocoupl...

Страница 36: ...curacy 5 0 to 59 9mV 1 R 10cts 60 0 to 599 9mV 1 R 3cts 1 R 3cts Resolution 0 1mV 1mV Input Impedance 10MΩ Note 1 The basic display is 6000 counts The position of the decimal count and the display of multiples m and k depend on the programming of the scale factor In DC the display indicates OL above 5999 counts and OL below 5999 counts The and signs are managed polarity In AC the display indicates...

Страница 37: ...on 8 7 x 3 1 x 1 65 222 x 78 x 42mm Weight 12 oz 340g with the battery 4 5 POWER SUPPLY Battery 1x9V LF22 Battery life 130 hours without backlighting Auto Power Off After 10 minutes with no switch and or button activity 4 6 COMPLIANCE WITH INTERNATIONAL STANDARDS Electric Safety Compliant with standards IEC 61010 1 IEC 61010 2 30 and IEC 61010 2 32 1000V CAT III or 600V CAT IV Electromagnetic Comp...

Страница 38: ...10Hz to 1kHz 1kHz to 3kHz 10Hz to 400Hz 400Hz to 3kHz V A 1 R 8 R 1 R 4 R 1 R 1ct 9 R 1ct 1 R 1ct 5 R 1ct Position of the conductor in the jaws f 400Hz Any position on the internal perimeter of the jaws A 2 R 4 R 1ct Adjacent conductor carrying a current of 150ADC or RMS Conductor touching the external perimeter of the jaws A 42dB 35dB Conductor enclosed by the clamp 0 to 500ARMS V 1ct 1ct Applica...

Страница 39: ... with a damp cloth and dry quickly using a dry cloth or forced air Dry completely before putting back into use 5 3 REPLACEMENT OF THE BATTERY The symbol indicates that the battery is low When this symbol appears on the display unit the battery must be replaced The measurements and specifications are no longer guaranteed To replace the battery proceed as follows 1 Disconnect the measurement leads f...

Страница 40: ...ation 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 return...

Страница 41: ...ur 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 9 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 instrum...

Страница 42: ...42 NOTES ...

Страница 43: ......

Страница 44: ...Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA www aemc com 99 MAN 100420 v2 04 16 ...

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