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DIGITAL CLAMP-ON TESTER
Thank you very much for selecting our digital AC/DC clamp-on
Tester M-260.
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 average sensing 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.
AC/DC CURRENT
M-260
INSTRUCTION MANUAL
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Summary of Contents for MULTI MEASURING INSTRUMENTS M-260
- Page 1 DIGITAL CLAMP-ON TESTER M-260 INSTRUCTION MANUAL Thank you very much for selecting our digital AC/DC clamp-on Tester M-260. 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.
- Page 2 WARNING △ ● Do not make measurements of power lines carrying more than 250V. IN SOME CASES, POWER LINES MAY CARRY VOLTAGE SPIKES OF SEVERAL TIMES OF THE NORMAL SUPPLY VOLTAGE. THIS INSTRUMENT SHOULD NOT BE USED TO MEASURE POWER LINES. *The term of “POWER LINE”...
- Page 3 Measuring range (23℃±5℃, ＜80% RH ) : Range/Resolution Accuracy Max. input ~A (50/60Hz) 40A/0.01A ±2.0% rdg±8 dgt … A AC/DC 2000A 400A/0.1A ±1.5% rdg±8 dgt Manual range 2000A/1A 400mV/0.1mV (50/60Hz) 4V/0.001V … V AC/DC ±1.2% rdg±5 dgt 40V/0.01V Auto/manual 600V rms 400V/0.1V range 600V/1V...
- Page 4 5. METHOD OF MEASUREMENT 5-1. Measurement of Current 5-1-1 Measurement of DC Current ① Set the power switch to "ON" position. ② Set the function switch to a range appropriate to the current to be measured. ③ Press the zero adjustment switch once, the zero display will be observed.
- Page 5 5-2. Measurement of Voltage 5-2-1. Measurement of AC Voltage Black Red + ① Set the power switch to "ON" position. ② Connect the plug of red test lead into the “V” terminal and the plug of black test lead into the “COM” terminal. ③...
- Page 6 WARNING △ POSSIBLE ELECTRICAL SHOCK. Do not make measurements if the case is damaged or the rear case is removed. Remove all electrical inputs before removing the rear case. WARNING △ POSSIBLE ELECTRICAL SHOCK or FIRE HAZARD. Do not expose this tester to rain or moisture.
- Page 7 5-4. Measurement of Frequency (Hz) ① Set the power switch to “ON” position. ② Connect the plug of red test lead into the “Hz” terminal and the plug of black test lead into the “COM” terminal. ③ Set the function switch to “Hz” range. The auto ranging mode is selected and the input sensitivity is set to 10mV.
- Page 8 The warranty period is 12 months from the date of purchase and the instrument shall be repaired at free of charge, provided that we judge the cause of defect is obviously resulted from our responsibility. MULTI MEASURING INSTRUMENTS CO.,LTD. Akihabara Murai Bldg. 7F, 1-26 Kanda Sakuma-cho, Chiyoda-ku, Tokyo, Japan, 101-0025...
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