Factory Settings And Measured Values - Insulating Resistance Tests; Table 47 Measured Values According To Measuring Specifications - Protective Conductor Resistance Tests; Table 48 Factory Settings Of The Limits For Insulating Resistance Tests - Benning ST 755+ Operating Manual

Parameter
Measuring range
Resolution
Accuracy
Table 47: Measured values according to measuring specifications – Protective conductor resistance tests
13.4.2 Factory settings and measured values – Insulating
resistance tests
Test
R VDE 0701/0702, Class I, LN to PE
Insu-1
R VDE 0701/0702, Class II, LN to test body
Insu-1
R VDE 0701/0702, Class III, input to test body
Insu-1
R VDE 0751-1, Class I, LN to PE
Insu-1
R VDE 0751-1, Class II, LN to test body
Insu-1
R VDE 0544-4, Class I, LN to PE
Insu-1
R VDE 0544-4, Class II, LN to test body
Insu-1
R VDE 0701/0702, Class I, secondary to PE
Insu-2
R VDE 0701/0702, Class II, secondary to test
Insu-2
body
R VDE 0701/0702, Class III, output to test body
Insu-2
R VDE 0751-1, Class I, secondary to PE
Insu-2
R VDE 0751-1, Class II, secondary to test body
Insu-2
R VDE 0544-4, Class I, secondary to PE
Insu-2
R VDE 0544-4, Class II, secondary to test body
Insu-2
R VDE 0701/0702, Class I, LN to secondary
Insu-3
R VDE 0701/0702, Class II, LN to secondary
Insu-3
R VDE 0701/0702, Class III, input to output
Insu-3
R VDE 0751-1, Class I, LN to secondary, type B
Insu-3
R VDE 0751-1, Class I, LN to secondary, type BF 70.00
Insu-3
R VDE 0751-1, Class I, LN to secondary, type CF 70.00
Insu-3
R VDE 0751-1, Class II, LN to secondary, type B
Insu-3
R VDE 0751-1, Class II, LN to secondary, type BF 70.00
Insu-3
R VDE 0751-1, Class II, LN to secondary, type CF 70.00
Insu-3
R VDE 0544-4, Class I, LN to secondary
Insu-3
R VDE 0544-4, Class II, LN to secondary
Insu-3
R VDE 0701-0702, Class I, LN to access. parts
Insu-4
without PE
R VDE 0751-1, Class I, LN to access. parts
Insu-4
without PE
R VDE 0544-4, Class I, LN to access. parts
Insu-4
without PE
Table 48: Factory settings of the limits for insulating resistance tests
Parameter
Testing voltage
112
Value
0.05 ... 10 Ω
0.001 Ω
±15 % of the measured value
Value
100 ... 500 V‑DC (-0 % / +25 %) at a testing current of 0 ... 1 mA
501 ... 1 000 V‑DC (-12 % / +25 %) at a testing current of 0 ... 1 mA
BENNING ST 755+ / ST 760+
13.4 Factory settings and measured values
Value Unit
1.00 MΩ
2.00 MΩ
0.25 MΩ
2.00 MΩ
7.00 MΩ
2.50 MΩ
5.00 MΩ
0.25 MΩ
0.25 MΩ
0.25 MΩ
70.00 MΩ
70.00 MΩ
2.50 MΩ
2.50 MΩ
2.00 MΩ
2.00 MΩ
0.25 MΩ
2.00 MΩ
MΩ
MΩ
7.00 MΩ
MΩ
MΩ
5.00 MΩ
5.00 MΩ
2.00 MΩ
7.00 MΩ
5.00 MΩ
Appendix
5284 / 08/2023 en