MULTI MEASURING INSTRUMENTS M-270 Instruction Manual Download Page 1

 

 

AC/DC CURRENT 

DIGITAL CLAMP-ON TESTER 

 

M-270 

 
 

INSTRUCTION MANUAL 

 

 

                            Thank you very much for selecting our digital AC/DC clamp-on   
                            Tester M-270. 
                            This model is complex instrument and employ a very reliable 
                            mechanical/electronic design. 
                               

  Before you use your new instrument, read this Instruction 

                            Manual completely and familiarize yourself thoroughly with   
                            all functions.   
 
                            Keep this manual carefully to take out whenever you need.           
 
                               
 
 
 
                     
 

1.

 

FEATURES 

 

● 

Low cost high performance and True RMS reading AC/DC clamp-on tester. 

● 

4000 count full scale display. 

● 

Additional AC/DC voltage, resistance, frequency test, diode test and       
continuity check. 

● 

Data hold and auto power off function. 

● 

Convenient push switch for auto zero adjustment for DC current measurement. 

 
 
 
   

Summary of Contents for M-270

Page 1: ...t read this Instruction Manual completely and familiarize yourself thoroughly with all functions Keep this manual carefully to take out whenever you need 1 FEATURES Low cost high performance and True...

Page 2: ...ctors or bus bars 3 SPECIFICATIONS AC conversion AC coupled true rms reading Crest factor 3 0 50 of the range 2 50 100 of the range Safety standard Meets the requirements for double insulation to IEC...

Page 3: ...z A Manual range 40A 0 01A 2 0 rdg 8 dgt AC DC 2000A 400A 0 1A 1 5 rdg 8 dgt 2000A 1A V 50 60Hz V Auto manual range 400mV 0 1mV 1 2 rdg 5 dgt AC DC 600V rms 4V 0 001V 40V 0 01V 400V 0 1V 600V 1V Hz Fr...

Page 4: ...owever this is not abnormal To release the zero adjustment mode press the zero adjustment switch at least 1 second 5 1 2 Measurement of AC Current Set the power switch to ON position Set the function...

Page 5: ...to ON position Connect the plug of red test lead into the V terminal and the plug of black test lead into the COM terminal Set the range selector switch to V range The auto ranging mode is selected Co...

Page 6: ...e COM terminal Set the function switch to range The auto ranging mode is selected Contact the tips of the teat leads to the circuit under test Read the resistance value in the display Fig 3 To select...

Page 7: ...NORMAL SUPPLY VOLTAGE THIS INSTRUMENT SHOULD NOT BE USED TO MEASURE POWER LINES The term of POWER LINE means the electrical circuit providing the power to factories buildings and etc 5 5 Measurement...

Page 8: ...aler If this is impossible however send the instrument directly to our sales office When mailing this instrument always pack it in its original or equivalent packing material and pack together with na...

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