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Clamp Meter 

 

 

11

 

8.   MAINTENANCE  

WARNING! 

Before open the meter, disconnect both test lead and never uses the 
meter before the cover is closed. 

 

CAUTION! 

To avoid contamination or static damage, do not touch the circuit 
board without proper static protection. 
 

8-1  REMARK: 

y

  If the meter is not going to be used for a long time, take out the 

battery and do not store the meter in high temperature or high 
humidity environment. 

y

  When take current measurement, keep the cable at the center of the 

clamp will get more accurate test result. 

y

  Repairs or servicing not covered in this manual should be performed 

only by qualified personal. 
 

8-2  CLEANING: 

Periodically wipe the case with a dry cloth. Do not use abrasives or 
solvents on these instruments. 

Summary of Contents for 252

Page 1: ...AC DC CLAMP METER 252 ...

Page 2: ...CURRENT PEAK MODE 3 3 9 RESISTANCE Ω 3 3 10 CONTINUITY 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 FUNCTION 6 5 2 PEAK FUNCTION 6 5 3 ZERO FUNCTION 6 5 4 BACKLIGHT FUNCTION 6 6 MEASURING INSTRUCTION 6 6 1 AC VOLTAGE MEASUREMENT 6 6 2 DC VOLTAGE MEASUREMENT 7 6 3 AC CURRENT MEASUREMENT 7 6 4 DC CURRENT MEAS...

Page 3: ... the test lead Chang the battery when the symbol appears to avoid incorrect data Environmental Conditions Operation Temperature 0 C to 40 C 32 F to 104 F 70 RH Storage Temperature 10 C to 60 C 14 F to 140 F 80 RH Explanation Symbols Attention refer to operation Instructions Dangerous voltage may be present at terminals This instrument has double insulation Approvals EN61010 600V CAT III 2 GENERAL ...

Page 4: ...s 210 x 62 x 36 mm Weight 273g with battery Accessories Carrying case Batteries Test Lead Instruction Manual 3 ELECTRICAL SPECIFICATION Accuracy is to within of the reading number of counts dgts in the reference conditions indicated in the appendix 3 1 Direct Voltage Range Resolution Accuracy 600 V 0 1 V 1 2dgts Input impedance 1 MΩ 3 2 Direct Voltage Peak Model Range Resolution Accuracy 600 V 0 1...

Page 5: ...Range Resolution Accuracy 600 A 0 1 A 2 5 8dgts 3 7 Alternating Current Range Resolution Accuracy 60 A 0 01 A 600 A 0 1 A 2 5dgts 3 8 Alternating Current Peak Model Range Resolution Accuracy 600 A 0 1 A 2 5 10dgts 3 9 Resistance Ω Range Resolution Accuracy 1000 Ω 0 1 Ω 1 2dgts 3 10 Continuity Range Buzzer Function Ohm 40Ω ...

Page 6: ...cation Polarity indication Low battery indication Alternative source indication Direct source indication Current measurement indication Voltage measurement indication Data hold indication Peak data indication Continuity test indication Resistance measurement indication Zero measurement indication ...

Page 7: ...iption Of Front And Rear 1 Current Sensing Clamp 2 Clamp opening handle 3 Function select dial 4 Peak button 5 Backlight button 6 Data hold button 7 LCD display 8 COM input terminal 9 Positive input termina 10 Battery cabinet ...

Page 8: ...ton for 2 seconds or longer the display will show symbol When you turn on this function the reading will become zero When you press on the button again the function will return to the normal mode 5 4 BACKLIGHT Function If you press on the button it will turn on the backlight function The backlight is blue light When you turn on this function it will light for 15 seconds If you press on the button ...

Page 9: ...the LCD panel 6 3 AC Current Measurement Switch the main function selector to range Open the clamp by pressing the jaw opening handle and insert the cable to be measured into the jaw Close the clamp and get the reading from the LCD panel Note Before this measurement disconnect the test lead with the meter for safety In some occasion that the reading is hard to read push the HOLD button and read th...

Page 10: ...nsert the cable to be measured into the jaw Close the clamp and get the reading from the LCD panel Note Before this measurement disconnect the test lead with the meter for safety In some occasion that the reading is hard to read push the HOLD button and read the result later I C A T I 60 0V I V V A A C D C C L A M P M E T E R 6 00 6 0 0 A ...

Page 11: ...the points where the value of the resistance is needed Read the result from the LCD panel Note When take resistance value from a circuit system make sure the power is cut off and all capacitors need to be discharged 6 6 Continuity Test With Buzzer Switch the main function to range Connect red test lead to terminal and black one to the COM terminal Connect tip of the test leads to the points where ...

Page 12: ...e symbol will appear on the LCD display and the battery needs to be changed Before changing the battery switch the main dial to OFF and disconnect test leads Open the back cover by a screwdriver Replace the old batteries with two new 1 5V AAA Size battery Close the back cover and fasten the screw ...

Page 13: ...f the meter is not going to be used for a long time take out the battery and do not store the meter in high temperature or high humidity environment y When take current measurement keep the cable at the center of the clamp will get more accurate test result y Repairs or servicing not covered in this manual should be performed only by qualified personal 8 2 CLEANING Periodically wipe the case with ...

Page 14: ...MEMO ...

Page 15: ...MEMO ...

Page 16: ...CENTER TECHNOLOGY CORP 4 F NO 415 Jung Jeng Rd 238 Shu Lin Taipei Taiwan TEL 886 2 26763926 E Mail center centertek com FAX 886 2 26763925 http www centertek com GCA000252 02000 ...

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