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AC LEAKAGE/LINE CURRENT
DIGITAL CLAMP-ON TESTER
MODEL MCL-550D
INSTRUCTION MANUAL
Thank you very much for selecting our digital AC Clamp-on
Tester MCL-550D.
This model is complex instrument, employing 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.
MULTI MEASURING INSTRUMENTS CO.,LTD.
Akihabara Murai Bldg. 7F, 1-26 Kanda Sakuma-cho,
Chiyoda-ku, Tokyo, Japan, 101-0025
TEL : +81-3-3251-7016 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 MCL-550D
- Page 1 Manual completely and familiarize yourself thoroughly with all functions. Keep this manual carefully to take out whenever you need. MULTI MEASURING INSTRUMENTS CO.,LTD. Akihabara Murai Bldg. 7F, 1-26 Kanda Sakuma-cho, Chiyoda-ku, Tokyo, Japan, 101-0025 TEL : +81-3-3251-7016 FAX : +81-3-3253-4278 Home Page : http://www.mutimic.com/...
- Page 2 1. FEATURES ● Multi functional clamp-on tester. ● Additional AC/DC voltage, resistance, diode test and continuity check. ● Data hold and auto power off function. SAFETY SUMMARY observe by all means ● To use this instrument safely, read this "SAFETY SUMMARY" carefully and apply the instrument correctly.
- Page 3 2. SPECIFICATIONS Safety standard : Meets the requirements for double insulation to IEC 61010-1, IEC 61010-2-032 installation CategoryⅢ600V phase to earth. E.M.C. standard : The instrument meets EN 61326 and EN 61000. Withstanding voltage : AC 5500V, 1 minute (between outer case and core of CT) Measuring method : Dual integration mode Jaw opening capability : 55mmφ...
- Page 4 3. DIMENSIONS AND PANEL FUNCTION ①Current transducer(Jaw) ②Jaw opening lever ③Power switch ④Range selector switch ⑤Data hold switch ⑥LCD display ⑦Input terminal(V) ⑧COM terminal ⑨Input terminal(Ω)( ｜ ⑩Battery cover Wrist strap ○ 4. METHOD OF MEASUREMENT 4-1. Measurement of AC Current (～A) 4-1-1 Measurement of Line Current ①...
- Page 5 WARNING △ ● To avoid electrical shock or damage, the measurement is limited to the circuit under 600V AC. Such voltages may cause a shock hazard. ● Never fail to keep the maximum 1000A input to avoid electrical shock or damage.
- 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 4-4. Measurement of Diode ① Set the power switch to "ON" position. ② Connect the plug of red test lead into the “ ” terminal and the plug of black ｜ test lead into the “COM” terminal. ③ Set the range selector switch to “ ”...
- Page 8 WARNING △ Before changing batteries or fuse, remove all electrical input. 6. REPAIR SERVICE When making requests for repair service, please bring the instrument directly to the dealer. 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 name, address, telephone number and the warranty documentation.
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