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Io/Ior CLAMP LEAKER
MCL-800IRV
INSTRUCTION MANUAL
Thank you very much for selecting our Io/Ior clamp leaker
model MCL-800IRV.
This model is complex instrument and employs a very reliable
mechanical/electronic design.
Before you use your new instrument, read this instruction
manual completely and familiarize yourself thoroughly with
all functions and keep this instruction 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, 101-0025 Japan
TEL : 81-3-3251-7013 FAX : 81-3-3253-4278
Home Page :
http://www.multimic.com/
E-mail :
multi@multimic.com
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Related Manuals for MULTI MEASURING INSTRUMENTS CO.,LTD. MCL-800IRV
Summary of Contents for MULTI MEASURING INSTRUMENTS CO.,LTD. MCL-800IRV
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Page 1: Instruction Manual
Io/Ior CLAMP LEAKER MCL-800IRV INSTRUCTION MANUAL Thank you very much for selecting our Io/Ior clamp leaker model MCL-800IRV. This model is complex instrument and employs a very reliable mechanical/electronic design. Before you use your new instrument, read this instruction manual completely and familiarize yourself thoroughly with all functions and keep this instruction manual carefully to take out whenever you need. -
Page 2: Safety Summary
SAFETY SUMMARY observe by all means ● To use this instrument safely, read this “SAFETY SUMMARY” carefully and apply the instrument correctly. ● The CAUTIONs and WARNINGs which appear on the following pages are stated to prevent the operator & other people from the dangers and their properties from the damages beforehand. -
Page 3: Specifications
SPECIFICATIONS 1. CURRENT DETECTION ZCT Inside diameter : Φ80mm Method : Split core type ZCT Withstanding voltage : AC 2200V/1 minute between CT core and grip 2. MEASURING PART Measuring function : Leakage current (Io), Line current (I), Resistive leakage current (Ior), AC Voltage (V), Insulation resistance (MΩ) [calculated value] Measuring method : Current: by clamp CT (in case of Ior, based on... - Page 4 Accuracy (23 C , less than 85%RH) C ±5 Leakage current (Io), Line current (I), Resistive leakage current (Ior), Voltage (V) Range Resolution Display Accuracy 10mA 0.001mA 0.010mA~9.999mA 100mA 0.01mA 10.00mA~99.99mA ±1.0%rdg±10dgt I, Io 1000mA 0.1mA 100.0mA~999.9mA 0.001A 1.000A~9.999A 10mA 0.001mA 0.010mA~9.999mA ±1.5%rdg±20dgt...
- Page 5 NAME OF EACH PART AND EXPLANATION ① Clamp Type ZCT : Sensor for detecting current and clamp method. ② Open/Close Lever : CT will open by pushing this lever to inside. ③ Power Switch (POWER) : By pressing this switch, the power becomes on and pressing once again, power off.
- Page 6 ⑤ Current Range Select Switch: When power switch on, the display is for Ior current (～A) measurement. By pressing this switch once, the display becomes Ior of single phase (1φ/Ior). By pressing once again, the display becomes Ior of Δ three phase ( Δ/Ior) and by pressing further once, the display becomes Ior of Y three phase (Y/Ior).
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Page 7: Replacement Of Batteries
REPLACEMENT OF BATTERIES WARNING △ ！ POSSIBLE ELECTRICAL SHOCK OR ACCIDENT ● Do not replace the batteries under the conditions of clamping CT to the conductor and inputting voltage to the terminals. ● Do not operate the instrument with battery cover off. CAUTION △... - Page 8 MEASUREMENT For the safety operation, keep and pay attention to the cautions and warnings stated in this manual. WARNING △ ！ POSSIBLE ELECTRICAL SHOCK ● This instrument is for the use of low voltage circuit. Do not make measurements in the circuit more than AC 600V. Before use, check and confirm the voltage of circuit to be measured.
- Page 9 (2) Leakage Current Measurement 1) Measurement at grounding line Do the same method as for line current measurement. 2) Measurement for other circuit except for grounding line The operations are the same as for line current but clamp CT to 2 wires en bloc in case of single phase and 3 wires en bloc in case of 3 phase.
- Page 10 WARNING △ ！ Do not apply the voltage more than 500V AC to the voltage input terminals (~VINPUT). It may cause breakage POSSIBLE ELECTRICAL SHOCK ● Measuring test leads are consumable articles. Confirm there is no damage at insulation coating of the wire before use. When having found unusual point, stop the use and repair or replace to the new one.
- Page 11 1) Press POWER switch ③ once. Display becomes Io current. 2) Set the power supply frequency to be measured by ⑦ Frequency Select Switch. 3) Insert the equipped test leads for direct input or non-contact voltage input sensor to the voltage input terminals ⑩ according to the colors of each lead. As to the operation of voltage input mode (direct input or non-contact input), Refer to “5.
- Page 12 b. In case of Single Phase/3 Wires Measuring Mode 1φ/Ior [L] on display White White *CT can be applied to the grounding line c. In case of Three Phase/3 Wires Measuring Mode /Ior [L] on display White Black White Black *CT can be applied to the grounding line...
- Page 13 d. In case of Three Phase/4 Wires (Neutral Grounding) Measuring Mode Y/Ior [L] on display White White *CT can be applied to the grounding line Wiring Method of Non-contact Voltage Input Leads e. In case of Single Phase/2 Wires Measuring Mode 1φ/Ior [n] on display White Green...
- Page 14 f. In case of Single Phase/3 Wires Measuring Mode 1φ/Ior [n] on display White Green Black *CT can be applied to the grounding line g. In case of Three Phase/3 Wires Measuring Mode /Ior [n] on display White Green Black *CT can be applied to the grounding line...
- Page 15 h. In case of Three Phase/4 Wires (Neutral Grounding) Measuring Mode Y/Ior [n] on display White Green Black *CT can be applied to the grounding line. (5) Change of Current and Voltage Ranges The current ranges of this instrument becomes “auto” automatically after power switch on but when the range cannot be fixed due to large fluctuated current to be measured, it is impossible to measure it.
- Page 16 (4)Press Data Hold Switch ⑧ once again. “DH” mark will be released and the range becomes 10mA. (5)To change the range continuously, press Data Hold Switch ⑧ and get “DH” mark on display. By pressing Current Range Select Switch ⑤, the range will be changed [AUTO] –...
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Page 17: Repair Service
REPAIR SERVICE When requesting for repair service, please bring the instrument directly to the dealer where you bought. When mailing the instrument, always pack it in its original or equivalent packing materials to avoid any damage during the transportation and also put together with documents showing your name, address, phone number and defect point.
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