User Guide

9
• In Insulation or Earth-bond resistance Test mode, when pressed before the Test Button, the test remains active until you
press the lock or test button again to release the lock.
J. Range/Test Voltage/Temperature Scale Button:
• Press and hold to return to Auto Ranging mode
• Press to select desired voltage source in Insulation Resistance mode.
• Press to select °F or °C in Temperature mode.
K. PI/DAR/Hz (Polarization Index/Dielectric Absorption Ratio) Button: Use PI for test of insulation deterioration
and DAR for extended insulation resistance test.
• Press x1 for PI mode.
• Press x2 for DAR mode.
• Press for Hz/Frequency measurement in AC Volts mode and AC mA mode.
L. Test Button: Initiate test function
M. Protective Rubber Boot: With molded comfortable grip.
N. Test Lead Holders: For hand-free use and storage of the test probes.
O. Kick Stand: For easy viewing of screen when testing.
P. Battery and Fuse Cover (under protective rubber boot)
Q. Serial Number (under kick stand)
• Default =
• Press x1 =
k
Voltage: <1000V AC
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
WARNING
• Use CATIII rated Test leads or higher.
• Do not attempt to measure more than 1000V AC.
• Keep hands below finger guards when measuring high voltage levels.
Features:
MIN/MAX
Test Voltage
F C
RANGE
SELECT
LOCK
A-HOLD
Hz
PI/DAR
AC Volts (45Hz to 5kHz)
RANGE RESOLUTION ACCURACY (45Hz to 400Hz) ACCURACY (400Hz to 5kHz)
400mV 0.1mV
±(1.0% +5 dgts)
±(2.0% + 3 dgts) 4V 0.001V
40V 0.01V
400V 0.1V
±(2.0% + 3 dgts)
1
1000V 1V ±(2.0% + 3 dgts)
1.1kHz bandwidth
Input impedance 10MΩ (nominal), <100pF, AC-coupled
Overload protection AC 1000V rms or DC
SELECT