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Polarization Index & Dielectric Absorption Ratios (1000V, 500V, 250V, 100V)
ZERO
V
OFF
ZERO
V
OFF
ZERO
V
OFF
Polarization Index (PI) is the ratio of the 10-minute insulation resistance to the 1-minute insulation resistance. Dielectric
Absorption Ratio (DAR) is the ratio of the 1-minute insulation resistance to the 30-second insulation resistance.
Features:
• Because of the time required for the PI and DAR tests, alligator clips are recommended.
• Use rotary selector dial to select desired test voltage.
• The display will show "----" until test starts.
• The High Voltage symbol will display if greater than 30V AC or DC is present.
• Press and hold the Test Button on the Meter or Remote Probe to start the test.
Note: When the resistance is higher than the maximum display range the tester displays the > symbol and the maximum
resistance for the range.
WARNING
NEVER measure resistance on a live circuit.
1000V
500V
0
250V
100V
Apo
1000V
500V
SELECT
250V
100V
V
OFF
1000V
500V
250V
100V
TEST
IRT803
IRT803
0.1 M
1 M
10 M
100 M
1 G
20 G
V
G
V
DC
RUN TIME :
m
s
TEST
HOLD
1000V
ZERO
500V
250V
100V
ZERO
V
INSULATION
COM
CAT IV 600V
FUSED
CAT III 1000V
600V
11
• Press X1 =
• Press X2 =
TEST
• Default =
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