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KYORITSU 4120A User Manual

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3.2 Test Lead

The instrument is supplied with Model 7125 lead at socket outlets and Model
7121 distribution board lead.

(1) Model 7125

(2) Model 7121

(Included as standard equipment for M-4118A and 4120A. Optional for M-4116A.)

3.3 Features
3.3-1 Test Range (Function):

Note:

● *D-LOK=Automatic device (RCD) lock
● D-LOK dose not operate on the Loop-2000Ω.
● Mains voltage with which D-LOK operates is as shown in the table below.

3.3-2 Applied Standards:

Instrument operation:

IEC /EN 61557-1, IEC61557-3

Safety:

IEC/EN 61010-1 CATⅢ(300V) - instrument

IEC/EN 61010-2-31 CATⅢ(300V) - test lead

Protection degree:

IEC60529 (IP 54)

Model

D-LOK Circuit *

Loop 0-19.99Ω/

0-199.9Ω/0-1999Ω
PSC 0-199.9A/

0-1999A/

0-4.00kA

M-4120A


M-4118A

×

M-4116A

Ч

Ч

Black-Neutral

Red-Phase

Green-Earth

Fig.4

Range

Loop200Ω/PSC200A

Loop20Ω/PSC2000A, 20kA

D-LOK Operating Voltage

190∼253V
205∼253V

This manual is related to the following products: