MULTI MEASURING INSTRUMENTS CO.,LTD. MCL-500IRV Instruction Manual

Io/Ior CLAMP LEAKER

MCL-500IRV

INSTRUCTION MANUAL

Thank you very much for selecting our Io/Ior clamp leaker

model MCL-500IRV.

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 : [phone] FAX : [phone]

Home Page : http://www.multimic.com/

E-mail : [e-mail]

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.

△！ WARNING : This symbol indicates the contents "Possibilities of the death or

the serious wound can be supposed" caused from mis-operations.

△！ CAUTION : This symbol indicates the contents "Possibilities of the injury or

only the material damage can be supposed" caused from mis-
operations.

△！ 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.

● Apply only the coated cables and do not clamp the bare cables.

POSSIBLE ELECTRICAL SHOCK OR ACCIDENT

● Do not handle the instrument in the rain, at humid place, with a drop of water
and or with wet hands.

● Do not use the instrument if the CT or CT case are damaged and if the battery
cover is off, do not operate this instrument.

● Do not give a shock to the tip of CT.

● Do not disassemble this instrument.

● Replace the batteries after took off test probe, etc. from the circuit.

SPECIFICATIONS

1. CURRENT DETECTION ZCT

Inside diameter : Φ40mm
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)

Measuring method : Clamp CT (in case of Ior, based on voltage standard

to be inputted directly or by non-contact voltage

sensor)
Measuring range : Io, Ior: 40mA/400mA/4A
I: 40mA/400mA/4A/40A/500A
V: 500V
Input frequency range : 50Hz/60Hz (auto)
AC current detection : I,Io,V: True RMS by analog operation

Ior: RMS by synchronous dual integration mode
AD conversion : Successive approximation method
Display change : By rotary switch
Display : LCD, max.9999 reading with annunciator
Data hold indication : “DH” mark on LCD
Sampling rate : 2 times/sec.
Overrange indication : “OL” mark on LCD
Low battery indication : "B" mark on LCD
Auto power off :Approx. 10 minutes after power on
Filter/V Input Switch :When pressing this switch once at I, Io current

measurement, “FL” mark on LCD and high

frequencies are cut off. By pressing once again, this

function will be released. In case of Ior measurement,

this switch is ineffective.
By pressing this switch at Ior measurement, “Direct

Voltage Input” or “Non-contact Voltage Input” can be

selected. [Ld] mark on the right upper side of display

means direct voltage input and [no] display shows

non-contact voltage input.
Ior Switch : In case of measuring Ior current, press this switch

and then, set the circuit condition to be measured by

Ior SELECT switch.
Circuit voltage : less than 600V (isolated wire)
Operating temperature : 0~40oC < 85%RH (without condensation)
Storage temperature : －10～60 oC < 70%RH (without condensation)
Consumption current : 13mA (approx. 48h for continuous use)
Power supply : AAA alkali battery LR03×3
Dimension/Weight : 70(W)×223(H)×34(D)mm, approx. 440g
Accessories : Battery LR-03 (installed into the instrument)/3pcs.
Carrying Case/1pce., Instruction Manual/1pce.
Test Lead for direct voltage input/1set

Non-contact voltage input sensor/1pce.

Accuracy (23

o

C±5 oC, less than 85%RH)

Leakage current (Io), Line current (I), Resistive leakage current (Ior), Voltage (V)

Range

Resolution

Display

Accuracy

I, Io

40mA

0.01mA

0.40mA~39.99mA

±1.0%rdg±10dgt

400mA

0.1mA

40.0mA~399.9mA

±1.0%rdg±10dgt

4A

0.001A

0.4A~3.999A

±1.0%rdg±10dgt

40A

0.01A

4.0A~39.99A

±1.0%rdg±10dgt

500A

0.1A

40.0A~499.9A

±1.0%rdg±3.0%FS

Ior
(direct)

40mA

0.01mA

0.40mA~39.99mA

±1.5%rdg±15dgt

400mA

0.1mA

4.0mA~399.9mA

±1.2%rdg±15dgt

4A

0.001A

0.04A~3.999A

±1.2%rdg±15dgt

40mA

0.01mA

0.40mA~3.99mA

±3.0%rdg±20dgt

4.00mA~39.99mA

±1.5%rdg±15dgt

Ior

400mA

0.1mA

4.0mA~39.9mA

±3.0%rdg±20dgt

(non-

40.0mA~399.9mA

±1.5%rdg±15dgt

contact)

4A

0.001A

0.040A~0.399A

±3.0%rdg±20dgt

0.400A~3.999A

±1.5%rdg±15dgt

V

500V

0.1V

10.0V~499.9V

±1.0%rdg±8dgt

※ The conductor must be located at the center of CT.
※ Input voltage for Ior measurement.

※ The accuracy of Ior is based on the phase angle with 0°between the voltage

and current at the standard voltage of AC100V in case of single phase. In case
of 3P/3W, it is based on the phase angle with 300°between the voltage and
current at △wiring and the standard voltage of AC200V.

※ The accuracy of non-contact Ior is based on the inputted voltage by standard

non-contact voltage sensor.

※ At each range, the value less than 9 count becomes “0” display compulsively

(zero suppression).

※ The specifications, dimensions, etc. subject to change due to product

improvement, etc.