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AC CURRENT
ANALOG CLAMP-ON TESTER
MODEL MCL-350
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 : +81-3-3251-7016 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-350
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Page 1: Instruction Manual
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 : +81-3-3251-7016 FAX : +81-3-3253-4278 Home Page : http://www.mutimic.com/... - Page 2 1. FEATURES ● High accuracy analog display with strong taut band meter. ● Meter lock function and data output for recorder. ● 3 years long battery life. ● Filter circuit for high frequency noise rejection. 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.
- Page 3 S3. SPECIFICATIONS Safety standard : Meets the requirements for double insulation to IEC61010-2-032, IEC61010-1, installation CategoryⅢ600V phase to earth. E.M.C. standard : The instrument meets EN61326 and EN61000. Withstanding voltage : AC 5500V, 1 minute (between outer case and core of CT) Jaw opening capability : 40mmφ...
- Page 4 5. METHOD OF MEASUREMENT 5-1. Preparation and Caution before Measurement ● Before measurements, be sure the meter lock function is released. ● Set the range selector switch to “～mA” or “～A” range and set the power switch to “BATT”. If the pointer indicates within the “BATT” mark, the batteries are usable. If the pointer indicates outside the mark, the batteries are exhausted.
- Page 5 5-3. Measurement of AC Line Current L ① Set the power switch to “ON” position. ② 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. ③...
- Page 6 5-5. Measurement of AC Voltage 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 Set the range selector switch to “~600V” range.
- Page 7 5-6. Measurement of Resistance ① Set the power switch to “ON” position. ② Connect the plug of red test lead into the “Ω” terminal and the plug of black test lead into the “COM” terminal. ③ Set the range selector switch to “Ω” range. ④...
- Page 8 6. REPLACEMENT OF BATTERIES AND FUSE (BATTERY REPLACEMENT) 1) Remove the fixing screw of battery cover by + driver on rear case and slide the battery cover to the direction of arrow mark to open battery case. 2) Take out 3 exhausted batteries. 3) Install new batteries (UM-4 or type AAA), observing polarity.
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