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Clamp Meter

8. MAINTENANCE

WARNING!

Before opening the meter, disconnect both test leads. Never use the

meter unless the battery cover is in place and the screw is tightened.

CAUTION!

To avoid contamination or static damage, do not touch the circuit

board without proper static protection.

8-1 REMARKS:



If the meter is not going to be used for a long time then please

remove the battery and do not store the meter in a high temperature

or high humidity environment.



Keep the cable in the center of the clamp will return a more accurate

test result when making current measurements.



Repairs or servicing not covered in this manual should only be

performed by qualified personnel.

8-2 CLEANING:

Periodically wipe the case with a dry cloth. Do not use abrasives or

solvents on these instruments.

Distributed By :

TRIO Test & Measurement Pty Ltd

T. 1300 853 407
F. 1300 853 409

[email protected]

http://www.triotest.com.au

Summary of Contents for 265

Page 1: ...Center 265 Leakage Current Clamp Meter Operating Manual ...

Page 2: ...NTINUITY 3 3 6 RESISTANCE Ω 3 4 DESCRIPTION OF THE INSTRUMENT 4 4 1 Description of the display 4 4 2 Description of front and rear 5 5 BUTTON INSTRUCTION 6 5 1 HOLD LPF Function 6 5 2 PEAK HOLD Function 6 5 3 ZERO Function 6 5 4 BACKLIGHT Function 6 6 MEASURING INSTRUCTION 7 6 1 AC A AC mA Measurement 7 6 2 AC V Measurement 8 6 3 DC V Measurement 9 6 4 Continuity Measurement 9 6 5 Resistance Measu...

Page 3: ...s 6 Change the battery when the symbol appears to avoid incorrect data Environmental Conditions Operation Temperature 0 C to 40 C 32 F to 104 F 80 RH Storage Temperature 10 C to 60 C 14 F to 140 F 80 RH Explanation of Symbols Attention refer to operating instructions Dangerous voltage may be present at the terminals This instrument is double insulated Approvals EN61010 300V CAT IV 2 GENERAL SPECIF...

Page 4: ...than the maximum for the range in use the display will show Maximum Jaw Opening 23 mm Dimensions 206 x 76 x 33 5 mm Weight 262g with battery Accessories Carrying case Batteries Test Leads Instruction Manual 3 ELECTRICAL SPECIFICATION The accuracy specification is defined as percentage of reading number of counts At 23 5 C 80 RH 3 1 ACmA True RMS Range Resolution Accuracy 50 60 Hz 50 500 Hz 6 000 m...

Page 5: ...A 2 0 5 counts 60 00 A 0 01 A 3 3 ACV True RMS Range Resolution Accuracy 50 500 Hz 60 00 V 0 01 V 1 0 3 counts 300 V 0 1 V Input impedance 1 M 3 4 DCV Range Resolution Accuracy 60 00 V 0 01 V 1 0 2 counts 300 0 V 0 1 V Input impedance 1 M 3 5 Continuity Range Buzzer Function Ohm 45 3 6 Resistance Range Resolution Accuracy 600 0 0 1 1 0 2 counts 6 000 k 0 001 k 60 00 k 0 01 k 600 0 k 0 1 k ...

Page 6: ...n Polarity indication Low battery indication AC measurement indication DC measurement indication Current measurement indication Voltage measurement indication ZERO indication Data hold indication PEAK hold indication Low pass filter indication Continuity test indication Measurement unit Resistance measurement indication Measurement unit ...

Page 7: ...1 Current Sensing Clamp 2 Safety protection ring 3 Backlight button 4 Clamp opening handle 5 Function select dial 6 ZERO button 7 PEAK button 8 Data hold LPF button 9 LCD display 10 COM input terminal 11 Positive input terminal 12 Battery compartment ...

Page 8: ...old Function Selection Press PEAK button to enter the PEAK mode the meter records the peak maximum value Press the PEAK button again to exit the peak mode When you turn the rotary switch to the Ohms Continuity Test position press the PEAK button to select Resistance measurement press the PEAK button again to select continuity test with buzzer 5 3 ZERO Function Press ZERO button to enter the Zero m...

Page 9: ...on the display Earth leakage current or any small AC current that flows through a ground wire can also be measured by this method 3 Measuring out of balance leakage current see Fig 2 Clamp onto all conductors except the ground wire The measured imbalance current value is shown on the display Before this measurement disconnect any test leads from the meter for safety In some cases wherein reading t...

Page 10: ...o not attempt to Take any voltage measurement that may exceed this maximum to avoid Electrical shock hazard and or damage to this instrument Switch the main function selector to range Connect the red test lead to the terminal and the black lead to the COM terminal Measure the voltage by touching the test lead tips to the test circuit where the voltage measurement is required Read the result from t...

Page 11: ... the test circuit where the value of voltage is needed Read the result from the LCD 6 4 Continuity Test With Buzzer Switch the main function to range Connect the red test lead to the terminal and the black lead to the COM terminal Connect tip of the test leads to the points between which continuity is to be measured If the resistance is under 45Ω the beeper will sound continuously Short circuit Op...

Page 12: ...nce in a circuit make sure any power on the circuit is turned off and any capacitors are discharged 7 CHANGING THE BATTERY When the battery voltage drops below that required for proper operation of the instrument the battery symbol will appear on the LCD display and the battery should be changed Before changing the battery switch the main dial to OFF and disconnect test leads Open the back cover u...

Page 13: ...then please remove the battery and do not store the meter in a high temperature or high humidity environment Keep the cable in the center of the clamp will return a more accurate test result when making current measurements Repairs or servicing not covered in this manual should only be performed by qualified personnel 8 2 CLEANING Periodically wipe the case with a dry cloth Do not use abrasives or...

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