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MULTI MEASURING INSTRUMENTS MIS-PV2 Instruction Manual

Digital insulation tester for photovoltaic systems with 4 ranges
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DIGITAL INSULATION TESTER FOR
PHOTOVOLTAIC SYSTEMS
WITH 4 RANGES
Model
INSTRUCTION MANUAL
Thank you for selecting our 4 range digital insulation tester
MIS-PV2 for PV systems.
Before using the instrument, read this instruction manual
thoroughly and operate properly.
Keep this manual carefully whenever you can refer if
necessary.
(1) Multiple rating insulation resistance tester which can change 4 applied voltage by switch to
select appropriate voltage for the object to be tested.
(2) This digital multiple rating insulation resistance tester has big LCD window showing
numerical value display and analog indicator which enable an easy reading.
Measurable insulation resistance according to the generated voltage in PV systems.
(3)
(4) Can read the displayed value in the dark by LED back light of LCD.
(5) Auto power off function enables min. power consumption in case of forgetting switch power
off.
(6) Convenient structure design for the use – body cover can be contained to the bottom of
instrument.
(7) The output display lamp (HV lamp) serves functions as warning of outer loading voltage
and or as confirming electric discharge with superior safety and wide functionality.
(8) Data hold function enables measurements in any field & attitude.
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
Website: http://www.multimic.com/
Email: multi@multimic.com
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Summary of Contents for MULTI MEASURING INSTRUMENTS MIS-PV2

  • Page 1 WITH 4 RANGES Model INSTRUCTION MANUAL Thank you for selecting our 4 range digital insulation tester MIS-PV2 for PV systems. Before using the instrument, read this instruction manual thoroughly and operate properly. Keep this manual carefully whenever you can refer if necessary.

  • Page 2: Before Use

    1. Before use 1.1 Safety Symbol To use this instrument safely, the following symbols and contents are displayed on instrument body and instruction manual. Showing careful operation. This symbol is displayed at the point where the references to instruction manual are required to protect operator & equipment.
  • Page 3 2) Accuracy Rated Measuring Voltage/ Range Measuring Range Accuracy Max. Effective Display Value [First Effective Range] 0.02MΩ~10MΩ less than ±5% [Second Effective Range] 125V 125V/20MΩ 0.01MΩ~0.02MΩ less than ±10% 10MΩ~20MΩ 20MΩ~100MΩ less than ±30% [First Effective Range] 0.05MΩ~20MΩ less than ±5% [Second Effective Range] 250V 250V/50MΩ...

  • Page 4: Ac Voltage Measurement (Acv)

    14)Low Battery Indication : “ ” mark on display. 15)Data Hold : “DH” mark on display 16)Auto Power Off Function : automatically power off approx. 10 minutes after power on (to release this funciton, set the rotary switch to “OFF” and power on again.) 17)Load Discharge Function : Discharging DC electrical change by auto discharge function.

  • Page 5: Operation Procedure

    3. Operation Procedure 3.1 Name of Part & Explanation Battery Cover Name Plate for Display Rating Measuring Switch Switch Switch Through Hole for Belt Range Select Switch 2) Open the cover 1) Pressing Yellow Part Connector Cover can be installed onto Output the bottom by one touch.
  • Page 6 3.2 Check of Residual Battery Power 1) Confirm the range switch is at insulation resistance measuring range. 2) If mark is not lightening on LCD, the instrument can be operative. 3) If mark is lightening during insulation resistant measurement. Judge the batteries are almost exhausted.
  • Page 7 Range Switch Solar Panel 4) Connect EARTH lead of MIS-PV2 with the earth terminal of PV system. 5) Contact LINE probe to P terminal of solar panel (at disconnector) and power on MEASURE switch. (Operate the instrument with MEASURE switch standing up, as it takes a long time for the measurement.
  • Page 8 3.5 Insulation Resistance Measurement (Except PV System) 1) Confirm the measuring switch MEASURE is off. 2) Set range switch according to the rated voltage to be measured. (Reference) In case of rated circuit voltage 100V, set the range switch to [125V]. In case of rated circuit voltage 200V, set the range switch to [250V].

  • Page 9: Repair Service

    2) Set range switch to [125V] or [250V]. (By whichever range, AC 0~600V can be measured in the same way). 3) Contact measuring probe (LINE) and clip (EARTH) to the circuit or the live part of equipment to be measured. 4) Read the voltage value after the display got stable.

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