Data Sheet
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GW Instek Manuals
Insulation Testers
GW Instek GPT-9503 Insulation tester, Dielectric withstand tester
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UTILITY
173
3.
P
re
ss
ENT
ER
so
ft
-ke
y
to
e
n
te
r t
he
GF
CI fi
el
d.
Us
e s
cro
ll
wh
ee
l
t
o s
ele
ct
O
N/
OF
F o
pti
on
.
GFCI
ON, OFF
4.
Press the ENTER soft
-key to
confirm the setting.
GFCI W
a
rning
Display
GFCI warning message
1
...
...
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