Operating Conditions And Influences - PCE CHAUVIN ARNOUX Y7N Manual De Instrucciones

4.3 OPERATING CONDITIONS AND INFLUENCES

The current clamp must be used under the following conditions to meet the user safety
and measuring performance requirements.
4.3.1 4.3.1 4.3.1 Overloads 4.3.1 4.3.1 Overloads Overloads Overloads Overloads
Limit the operating time above 500 A~
Curant
Working
Peak current maximum: 1200 A
4.3.2 Influence of frequency 4.3.2 Influence of frequency 4.3.2 Influence of frequency 4.3.2 Influence of frequency 4.3.2 Influence of frequency
Values to be added to the reference conditions.
NOTE: See also graphs in 7-APPENDIX.
Frequency 5 to 10 Hz
1 A to 200 A 15 %
> 200 A (1)
1 A to 200 A
200 A to 300 A
> 400 A
1 A to 500 A
1 A to 50 A
50 A to 200 A
> 200 A
1 A to 100 A
> 100 A
1 A to 50 A
> 50 A
NOTE: Error in % of reading
(1) Unspecified
Derating: to calculate the maximum current (A) in continuous operation, depending
on frequency (F in kHz), use the formula: 500 (A) x 2/F (kHz).
500 A~ ≤ I ≤ 700 A∼
I ≤ 500 A∼
Continuous
operation
10 to 20 Hz 20 to 45 Hz 65 Hz to 3 kHz
5 %
15 %
- 3 dB
5 %
17
10 minutes on
30 minutes off
3 to 6 kHz
5 % + .4 A
5 %
(1)
15 % + .4 A
(1)
6 to 10 kHz
- 3 dB
(1)