User Guide

9
IRT803
OFF
ZERO
ZERO
FUSED
V
Ω
COM
INSULATION
V
1000V
500V
250V
100 V
I
N
S
U
L
A
T
I
O
N
T
E
S
T
E
R
600V
CAT IV 600V
CAT III 1000V
COMPARE
LOCK
PI/DAR
TEST
SELECT
HOLD
Apo
V
Continuity
Features:
HOLD
WARNING
• Do not measure resistance/continuity on a live circuit.
• Beeper sounds constant as long as circuit is complete.
• Beeper sounds when a short (<40Ω) is detected.
RANGE RESOLUTION AUDIBLE THRESHOLD
400.0Ω 0.1Ω Approx. 40Ω
• Default =
IRT803
Apo