Principle Of Measurement And Resistance - Fluke 1550C Calibration Manual

Leakage Current
Measurement
Capacitive
Measurement
Timer
Live circuit warning
Short circuit current

Principle of Measurement and Resistance

The product measures insulation parameters and displays the results using with the
following formulas.
Ohm's Law
V
R =
I
Range
1 nA to 2 mA
0.01 μF to 20.00 μF
Range
0 to 99 minutes
Warning Range
30 V to 1100 V ac/dc, 50/60 Hz
> 1 mA and < 2 mA
Capacitance
(charge)
(Polarization Index)
Q
C =
=
PI
V
Accuracy
±(20 % + 2 nA)
±(15 % of reading + 0.03 μF)
Resolution
Setting: 1 minute
Indication: 1 second
Voltage Accuracy
±(15 % + 2 V)
PI
(Dielectric absorption ratio)
×
R 10 min
DAR
×
R 1 min
Insulation Tester
Principle of Measurement and Resistance
DAR
×
R 1 min
=
×
R 30 s
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