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AC CURRENT
ANALOG CLAMP-ON TESTER
MODEL M-3000
INSTRUCTION MANUAL
Thank you very much for selecting our digital AC clamp-on
tester.
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. With proper use and care, your tester will give
you years of satisfactory service.
MULTI MEASURING INSTRUMENTS CO.,LTD.
Akihabara Murai Bldg. 7F, 1-26 Kanda Sakuma-cho,
Chiyoda-ku, Tokyo, Japan, 101-0025
TEL : +81-3-3251-7013 FAX : +81-3-3253-4278
Home Page :
http://www.mutimic.com/
E-mail :
multi@multimic.com
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Summary of Contents for MULTI MEASURING INSTRUMENTS M-3000
- Page 1 Manual completely and familiarize yourself thoroughly with all functions. With proper use and care, your tester will give you years of satisfactory service. MULTI MEASURING INSTRUMENTS CO.,LTD. Akihabara Murai Bldg. 7F, 1-26 Kanda Sakuma-cho, Chiyoda-ku, Tokyo, Japan, 101-0025 TEL : +81-3-3251-7013 FAX : +81-3-3253-4278 Home Page : http://www.mutimic.com/...
- Page 2 1. FEATURES ● High accuracy analog display with taut band meter. ● Meter hold function. ● AC/DC voltage resistance and temperature measurements. CAUTION △ ● Before operating this instrument, familiarize yourself with all instructions outlined in this manual. ● Always check to make sure that the function switch is set to the proper position. ●...
- Page 3 3. SPECIFICATIONS Safety standard : Meets the requirements for double insulation to IEC 1010-2-032, IEC 1010-1(1995), EN 61010-1(1995) installation Category Ⅲ 600V phase to earth. E.M.C. standard : The instrument meets EN 50081-1 and EN 50082-1(1992) Withstanding voltage : AC 5500V, 1 minute (between outer case and core of CT) Jaw opening capability : 40mmφ...
- Page 4 4. DIMENSIONS AND PANEL FUNCTION ① Current transducer(Jaw) ② Jaw opening lever ③ Range selector switch ④ Meter lock knob ⑤ ZeroΩadjustment knob ⑥ Pointer ⑦ Pointer zero adjustment screw ⑧ Input terminal(V) COM terminal ⑨ ⑩ Input terminal(Ω) ⑪ Battery cover 5.
- Page 5 5-3. Measurement of AC Line Current ① Set the range selector switch to a range appropriate to the current to be measured. Start the measurement at top range and then work down to lower range. ② Clamp the conductor of the circuit at the center of CT.
- Page 6 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 7 5-6. Measurement of Resistance ① Connect the plug of red test lead into the “Ω” terminal and the plug of black test lead into the “COM” terminal. ② Set the range selector switch to “×100” or “×1” range appropriate to the resistance to be measured.
- Page 8 6. REPLACEMENT OF BATTERIES AND FUSE Turn the power switch to "OFF", prior to installing batteries or fuse. To install the batteries or fuse, remove the battery cover located on the unit back. Loosen the screw on the battery cover. Replace the two batteries (UM-4 or type AAA) with new ones, observing polarity.
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