Operation Manual

57
9 Technicalspecications
9.1 Insulation resistance
Insulation resistance (nominal voltages 100 V
DC
and 250 V
DC
)
MeasuringrangeaccordingtoEN61557-2:0.017MΩto199.9MΩ
Measuringrange(MΩ) Resolution(MΩ) Accuracy
0.000 (0.017) - 1.999 0.001
± (5 % of reading + 3 digits)2.00 - 99.99 0.01
100.0 - 199.9 0.1
Insulation resistance (nominal voltages 500 V
DC
and 1000 V
DC
)
MeasuringrangeaccordingtoEN61557-2:0.015MΩto999MΩ
Measuringrange(MΩ) Resolution(MΩ) Accuracy
0.000 (0.015) - 1.999 0.001
± (2 % of reading +3 digits)2.00 - 99.99 0.01
100.0 - 199.9 0.1
200.0–999 1 ± (10 % of reading)
The stated accuracy applies if a universal test cable is used. If a tip commander is used, the accu-
racyappliestomax.200MΩ.
Voltage
Measuring range (V) Resolution (V) Accuracy
0 ÷ 1200 1 ± (3 % of reading +3 digits)
Nominal voltages 100 V
DC
, 250 V
DC
, 500 V
DC
, 1000 V
DC
Open circuit voltage -0 % / + 10 % of nominal voltage
Measuring current min. 1 mA at R
N
=U
N
×1kΩ/V
Short-circuit current max. 3 mA
The number of possible tests
with a new set of batteries up to 1800
Auto discharge after test
In case the instrument gets moistened the results could be impaired. In such case it is recommen-
ded to dry the instrument and accessories for at least 24 hours.
9.2 Resistance/ continuity testing
9.2.1LowΩresistancemeasurement
Measuring range according to EN61557-4: 0.16 Ω bis 1999 Ω
Measuring range (mA) Resolution (mA) Accuracy
0.00 (0.16) - 19.99 0.01 ± (3 % of reading + 3 digits)
20.0 - 99.9 0.1
± (3 % of reading)
100 - 1999 1
Open-circuit voltage 6.5 V
DC
- 9 V
DC
Measuring current min. 200 mA into load resistance of 2 Ω
Testleadcompensation   upto5Ω