Specifications - Iso-Tech IIT-2301 Bedienungsanleitung

3 Specifications:
Insulation resistance measurement specification:
Test voltage 250V
Measuring ranges 0 - 100MΩ
Mid-scale value 1 MΩ
Nominal output 250V DC min.
Voltage (UN) at 0.25MΩ
Nominal output 1mA DC min
Current (In) at 0.25MΩ
±5% of indicated
Intrinsic accuracy value at
0.1MΩ to 10MΩ
±0.7% of scale length at ranges other than above ranges
Continuity resistance measurement specification:
Measuring ranges:
Open circuit voltage (Uq):
Nominal output current (In):
Intrinsic accuracy:
500V 1000V
0 - 200MΩ 0 - 400MΩ
2 MΩ 4 MΩ
500V DC min. 1000V DC min.
at 0.5MΩ at 1 MΩ
1mA DC min. 1mA DC min.
at 0.5MΩ at 1MΩ
±5% of indicated ±5% of indicated
value at value at
0.2MΩ to 20MΩ 0.4MΩ to 40MΩ
0 -2Ω 0 - 20Ω
4 - 9V
200 mA
±3% of scale length
Reference conditions:
Ambient temperature:
Relative humidity:
Supply voltage:
Position:
Altitude:
Insulation resistance operating error:
Range
250V
500V
1000V
Continuity resistance operating error:
Range
Ω x 1
Ω x 10
The influencing variations used for calculating the
operating error are:
Operating temperature: 0℃ to 40℃
Relative humidity:
Position:
Supply Voltage:
— 5 —
23 ± 5℃
60 ± 15%, non-condensating
9V
Front panel plane horizontal
Less than 2000m
Operating range compliant with
EN 61557-2 operating error
0.1MΩ to 10MΩ
0.2MΩ to 20MΩ
0.4MΩ to 40MΩ
Operating range compliant with
EN 61557-4 operating error
0.2Ω to 2Ω
2Ω to 20Ω
85% maximum, non-condensating.
Reference plane ±90°
6.6V to 9V