Kewtech KT72 User Manual

20
Class Il Test Flowchart
No
Value (2) and (3) will be alternately displayed on the LCD.
Yes
(2). Insulation resistance between L/N and PE.
(1). Appliance switch test
(*7)
Yes
Yes
No
Start
(*6)
Lights up in red
Lights up
in green
No
(3). Leakage current between L/N and PE.
When the resistance
between L-N is about
100kΩ or more
“ oFF”→“ ? ” is displayed
alternately on the LCD.
Is the appliance
switched on?
Re-start
Re-start
LnE ≧ 2MΩ?
Lights up
in green
Lights up in red
“no”→“LnE”→“value” will
be repeated on the LCD.
PASS
LEAK ≦ 0.25mA?
Stop the test and
“no”→“LEA”→“value” will be
repeated on the LCD.
Leakage
Current
Leakage
Current
Measuring
method

Kewtech KT72 Specifications

General

Brand	Kewtech
Model	KT72
Category	Test Equipment
Language	English