User Guide

18
IRT807
OFF
ZERO
kHz
Temp
SMOOTH
mV
mA
INSULATION
V
V
50V
1000V
I
N
S
U
L
A
T
I
O
N
T
E
S
T
E
R
MIN/MAX
LOCK
Hz
Test Voltage
F C
SELECT
TEST
RANGE
PI/DAR
A-HOLD
Apo
V
TEST
Battery Replacement
Fuse Replacement
• When the batteries
are too low for safe operation,
the Low Battery indicator will
display
• Remove protective rubber
boot.
• Remove battery cover.
• Replace the batteries (4 AA).
• Replace the battery cover
• Replace the protective rubber
boot.
• Remove protective rubber boot.
• Remove battery cover.
• Replace the fuse (F 440mA
1000V 1R 10kA).
• Replace the battery cover.
• Replace the protective rubber
boot.
Fuse
AA battery
AA battery
AA battery
AA battery
Fuse
AA battery
AA battery
AA battery
AA battery
Removed protective
rubber boot.
Removed protective
rubber boot.
Removed battery
cover.
Removed battery
cover.
Testing the Fuse
• Turn the rotary selector dial to ZERO/Ω position.
• Press and hold the TEST button. If the display
shows “FUSE”, the fuse is bad and should be
replaced. Please see Fuse Replacement section
of this manual.
WARNING:
• To avoid electrical shock or injury, remove the
test leads and any input signals/voltages before
replacing the fuse.