Factory Settings And Measured Values - Current Measuring Method; Table 49 Measured Values According To Measuring Specifications - Insulating Resistance Tests; Table 50 Factory Settings Of The Limits For Protective Conductor Current Test; Table 51 Factory Settings Of The Limits For Contact Current Test - Benning ST 755+ Operating Manual

Appendix
13.4 Factory settings and measured values
Parameter
Testing current
Measuring range
Resolution
Accuracy
Table 49: Measured values according to measuring specifications – Insulating resistance tests
13.4.3 Factory settings and measured values – Current
measuring method
Test
I VDE 0701/0702, devices in general
PE
I VDE 0701/0702, with heating elements >3.5 kW
PE
I VDE 0544-4, Class I
PE
Table 50: Factory settings of the limits for protective conductor current test
Test
I VDE 0701/0702
Cont
I VDE 0544-4
Cont
I VDE 0544-4 welding output
Cont
Table 51: Factory settings of the limits for contact current test
Test
I VDE 0751-1, Class I
Leak
I VDE 0751-1, Class II
Leak
I VDE 0751-1, Class I, AC, type BF
PLeak
I VDE 0751-1, Class I, AC, type CF
PLeak
I VDE 0751-1, Class I, DC, type BF
PLeak
I VDE 0751-1, Class I, DC, type CF
PLeak
I VDE 0751-1, Class II, AC, type BF
PLeak
I VDE 0751-1, Class II, AC, type CF
PLeak
I VDE 0751-1, Class II, DC, type BF
PLeak
I VDE 0751-1, Class II, DC, type CF
PLeak
Table 52: Factory settings of the limits for leakage current test
Parameter
Measuring range
Resolution
Accuracy
Internal resistance
(measuring instrument /
probe)
Table 53: Protective conductor resistance – Alternative leakage current measuring method
Parameter
Measuring range
5284 / 08/2023 en
Value
>1 mA at 500 kΩ and 500 V‑DC
<5 mA at 0 Ω and 500 V‑DC
<7 mA at 0 Ω and 1 000 V‑DC
0.10 ... 100 MΩ
0.01 MΩ
±15 % of the measured value
Value
0.03 ... 25 mA
0.001 mA
±15 % of the measured value
VDE 0701/0702: R = 1 kΩ
i
VDE 0751-1: R = 1 kΩ
i
VDE 0544: R = 2 kΩ
i
Value
0.05 ... 25 mA
BENNING ST 755+ / ST 760+
Value Unit
3.5 mA
1.0 (max. 10 mA) mA/kW
10.0 mA
Value Unit
0.5 mA
0.5 mA
10.0 mA
Value Unit
0.5 mA
0.1 mA
5.00 mA
0.05 mA
0.01 mA
0.01 mA
5.00 mA
0.05 mA
0.01 mA
0.01 mA
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