Benning ST 755 Operating Manual page 96

Measurement
Measuring the protective conductor resistance
(RPE, test socket)
Testing current:  600 mA AC (-30 % / +30 %) at
(0...5) ohms
Testing current: 10 A AC (-30 % / +30 % at 0 ohms)
at 230 V AC (50...60) Hz
Measuring voltage:
Measuring range:
0.001 Ω
Resolution:
at 230 V AC  10 %
Accuracy:
15 % of the measured value
at 0.050 ... 30.000 Ω
Measurement
Measuring the insulating resistance
(RInsu, test socket)
Testing voltage: 50 ... 1000 V DC (-0 % / +25 %)
Testing current: > 1 mA at 500 kΩ @ 500 V DC
< 5 mA at 0 Ω @ 500 V DC
Measuring range:
0.1 MΩ
Resolution:
at 230 V AC 10 %
Accuracy:
15 % of the measured value at 0 ...
100 MΩ
Measurement
Measuring the alternative leakage current,
as protective conductor current, contact current,
device leakage current, leakage current of the applied
part for ME devices (patient leakage current)
Testing voltage: approx. 200 V AC, 20 % at 230 V AC
The measured current is projected to 230 V!
Testing current: max. 25 mA
Measuring range: 0.020 ... 25.000 mA
Resolution: 0.001 mA
at 230 V AC 10 %
Accuracy:
15 % of the measured value (as of 2 µA)
Internal resistance (measuring instrument/ probe)
VDE 0701 – 0702
Ri
VDE 0751-1 Ri
Measurement
Measuring by means of the differential current method
(test socket); measuring the protective conductor
current for devices of Class I (test socket); Measuring
the leakage current, contact current, leakage currents
of applied parts for ME devices, patient leakage current;
protection classes I to II
Measuring range:
Resolution: 0.001 mA
at 230 V AC 10 %
Accuracy:
 15 % of the measured value
(from 100 µA on)
manual/ automatic pole reversal!
Internal resistance (measuring instrument/ probe)
VDE 0701 – 0702
Ri
VDE 0751-1 Ri
88
U approx. 8 V AC
0
0.050 ... 30.000 Ω
0.10 ... 100.00 MΩ
2 kΩ
1 kΩ
0.020 ... 25.000 mA
(displayed from 20 µA on)
2 kΩ
1 kΩ
acc. to measuring spec./ limit
VDE 0701-702
VDE 0751-1
(VDE 0701 Part 260)
Protection class I (up to a length of
5 m*)
0.3 Ω
0701 - 0702
0.3 Ω
0751
* +0.1 ohms for each additional
7.5 m
max. 1 Ω
up to
0701 T240
0.1 Ω
0751 with device plug
0.2 Ω
or
acc. to measuring spec./ limit
VDE 0701-0702
Protection class I
0.3 MΩ
with heating devices
1.0 MΩ
Protection class I
2.0 MΩ
Protection class II
0.25 MΩ
Protection class III
VDE 0751-1
2.0 MΩ
Protection class I
7.0 MΩ
Protection class II
70.0 MΩ
Applied part CF
(measured value, factory setting
500 V)
acc. to measuring spec./ limit
VDE 0701-0702, Class I
Protective conductor current,3.5 mA
Heating devices up to 3.5 kW3.5 mA
at > 3.5 kW 1 mA/ kW
max. 10.0 mA
VDE 0701-0702
Contact current (ICont)
Class I - II 0.5 mA
VDE 0751-1
Class I ILeak 1.0 mA
Class II ILeak 0.5 mA
VDE 0751-1
PLeak (AC) type BF 5.00 mA
Type CF 0.05 mA
IEC 60601-1
ILeak note 1 5.00 mA
ILeak note 2 10.00 mA
ILeak X-ray with PE 5.00 mA
ILeak X-ray without PE 2.00 mA
acc. to measuring spec./ limit
VDE 0701-0702, Class I
Protective conductor current,3.5 mA
Heating devices up to 3.5 kW
3.5 mA
at > 3.5 kW 1 mA/ kW
max. 10.0 mA
VDE 0701-0702
Contact current (ICont)
Class I - II 0.5 mA
VDE 0751-1
Class I ILeak 0.5 mA
Class II ILeak 0.1 mA
Tester acc. to regulation
EN 61010-1
(VDE 0411-T1)
EN 61557-1
(VDE 0413 T1)
EN 61557-4
(VDE 0413 T4)
DIN EN 61557-16:2015-12
VDE 0404-3
1 Ω
Tester acc. to regulation
EN 61010-1
(VDE 0411-T1)
EN 61557-1
(VDE 0413 T1)
EN 61557-2
(VDE 0413 T2)
DIN EN 61557-16:2015-12
VDE 0404-3
Tester acc. to regulation
EN 61010-1
(VDE 0411-T1)
EN 61557-1
(VDE 0413 T1)
DIN EN 61557-16:2015-12
Tester acc. to regulation
EN 61010-1
(VDE 0411-T1)
EN 61557-1
(VDE 0413 T1)
DIN EN 61557-16:2015-12
VDE 0404-3