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Appendix 3 Standards for Leakage Current and Current Measurements
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Appendix 3.2 When the 9498 NETWORK C is Installed
3.2.1 Methods of Measurement of Touch-current and Protective
Conductor Current (IEC/TR 60990 (1990-06))
Power supply
For simple voltage rated equipment, the rated v a tolerance that
anticipates variances in supply
For rated equipment within the nominal voltage range, the maximum voltage in
the range + a tolerance that anticipates variances in supply
Maximum rated nominal frequency
Point of measurement
Between the accessible part (connected to terminal A) and the earth (connected
to terminal B) Between any two accessible parts
Measurement network
(1) Measurement network, unweighted touch-current
(2) Measurement network, touch-current weighted for perception/reaction
(3) Measurement network, touch-current weighted for let-go
Measurement network, unweighted
touch-current
0.22
μ
F
±
1.0%
500
Ω
±
0.1%
0.0062
μ
F
±
1.0%
20 k
Ω
±
0.1%
0.0091
μ
F
±
1.0%
10 k
Ω±
0.1%
0.022
μ
F
±
1.0%
0.22
μ
F
±
1.0%
1500
Ω
±
0.1%
500
Ω
±
0.1%
1500 k
Ω
±
0.1%
0.22
μ
F
±
1.0%
500
Ω
±
0.1%
10 k
Ω±
0.1%
Measurement network, touch-current
weighted for perception / reaction
Measurement network, touch-current
weighted for let-go
U
1
B
A
B
A
U
2
U
3
1500
Ω
±
0.1%
B
A
Unweighted touch-current = U
1
/500 (rms)
Weighted touch-current (perception / reaction)
= U
2
/500 (peak)
Weighted touch-current (let-go)
= U
3
/500 (peak)
Test
terminals
Test
terminals
Test
terminals
When the 9498 NETWORK C is installed, measurement conforming to the
following standard can be made. Methods of measurement of touch-current
and protective conductor current (IEC/TR 60990 (1990-06))
The unit also conforms to the following standards:
・
Safety of information technology equipment (IEC 60950 (1991-10) + am4
(1996-07))
・
Safety requirements for electrical equipment for measurement, control, and
laboratory use Part 1: General requirements (IEC 61010-1 (1990-09) + am1
(1992-09) + am2 (1995-07))
・
Audio, video and similar electronic apparatus - Safety requirements (IEC
60065(1998-07))
・
Applicable UL standards
:(
Examples
:
UL1419, UL3101-1, UL3111-1, etc.
)
(1) Touch-current measurement
Содержание 3155-01
Страница 1: ...LEAK CURRENT HiTESTER INSTRUCTION MANUAL 3155 01...
Страница 2: ......
Страница 12: ......
Страница 27: ...7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A Chapter 2 Names and Functions of Parts...
Страница 45: ...25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A Chapter 4 Preparations for Measurement...
Страница 129: ...109 5 11 System Screen ME Equipment Example of a data unit printout Example of a details printout...
Страница 135: ...115 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A Chapter 6 Ordinary Electrical Equipment Measurement Network C Installed...
Страница 189: ...169 6 7 System Screen for IEC TR 60990 Example of a data unit printout Example of a details printout...
Страница 195: ...175 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A Chapter 7 Ordinary Electrical Equipment Measurement Network D Installed...
Страница 243: ...223 7 7 System Screen Universal Example of a data unit printout Example of a details printout...
Страница 314: ...294...
Страница 322: ...302 9 3 Accuracy Tables...
Страница 334: ...314 10 6 External Dimensions 292 2 110 2 212 2 115 8 2 10 6 External Dimensions...
Страница 335: ...315 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 APP Appendices...
Страница 362: ...INDEX 6 Index...
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