Operation Manual

54 GMC-I Messtechnik GmbH
7 Characteristic Values
Standards DIN EN 61557-1:2007
DIN EN 61557-2:2008
VDE regulations VDE 0413 Part 1:2007
VDE 0413 Part 2:2008
Insulation Resistance
Test duration: automatic (until measured value stabilizes),
manual (1 ... 120 s) or continuous measurement (lock function)
Polarization Index (PI), Absorption Ratio (DAR)
PI and DAR are calculated values. Insulation measurement specifications apply.
Insulation Test Voltage
Variable test voltage selectable in 50 V steps
Short-circuit current less than 2 mA with test voltage to 1.00 kV
Voltage Measurement
Frequency Measurement
Measured quantity voltage: 50 V ... 1 kV
Breakdown Voltage
Display Range
[Ω]
Measuring
Range [Ω]
Test Voltage Intrinsic Uncer-
tainity
Measuring Uncer-
tainty
0.00 M ... 50.0 G 0.60 M ...10.0 G 100 V ...250 V ±(10% rdg. + 5 d) ± (15% rdg. + 7 d)
>10.0 G...50.0 G ±(25% rdg. + 5 d) ± (50% rdg. + 20 d)
0.00 M ... 250 G 0.40 M...50.0 G >250 V ... 1.00 kV ±(7% rdg. + 5 d) ± (10% rdg. + 7 d)
>50.0 G...250 G ±(25% rdg. + 5 d) ±(50% rdg. + 20 d)
0.00 M ... 999 G 0.40 M...200 G >1.00 kV ... 5.00 kV ±(7% rdg. + 5 d) ±(10% rdg. + 7 d)
>200 G...999 G ±(25% rdg. + 5 d) ±(50% rdg. + 20 d)
t1 t2 Limit
PI
00:00 ... 01:00 ... 99:50 min 00:00 ... 10:00 ... 99:50 min 0.10 ... 4.00 ... 9.80 min
DAR 00:00 ... 00:30 ... 99:50 min 00:00 ... 01:00 ... 99:50 min 0.10 ... 1.60 ... 9.80 min
Nominal Values,
Test Voltage
Variable
Test Voltage
Nominal Current Intrinsic Uncertainty
100 V, 250 V, 500 V, 1.00 kV ≥ 1.0 mA 0 ... +25% rdg.
1.50 kV, 2.00 kV, 2.50 kV ≥ 0.4 mA ± 5% rdg.
5.00 kV ≥ 0.1 mA ± 3.5% rdg.
100 V...1.00 kV ≥ 1.0 mA ± 15% rdg.
> 1.00 kV...2.50 kV ≥ 0.4 mA ± 5% rdg.
> 2.50 kV...5.00 kV ≥ 0.1 mA ± 3.5% rdg.
Measuring Range Frequency
in Hz
Impedance Intrinsic
Uncertainty
Measuring
Uncertainty
dc test voltage
50 V ... 5.00 kV
— — ±(2.5% rdg. + 5 d) ±(5% rdg. + 5 d)
50 V ... 1.00 kV ac/dc 15 ... 500 1 MΩ ±(2.5% rdg. + 2 d) ± (5% rdg. + 5 d)
50 V ... 1.00 kV ac/dc >500 ... 1 k 1 MΩ ±(10% rdg. + 2 d)
±(12.5 % rdg. + 5 d)
Measuring Range Impedance Intrinsic
Uncertainty
Measuring
Uncertainty
15.0 Hz … 1.00 kHz 1 MΩ±(0.5% rdg. + 2 d) ±(1% rdg. + 2 d)
Parameter Setting Range Intrinsic Uncertainty Measuring
Uncertainty
Voltage range 100 … 5,000 V ± (10% rdg. + 8 d)
± ( 15% rdg. + 10 d)
Rise time 5 … 300 s — —
Measuring time 1 … 120 s /
auto / continuous
measurement
——