| TYPE |
NC-
661 |
NC-
662 |
| parameter |
sign |
| Primary nominal (r.m.s. current) |
IPN |
50A/DC |
100A/DC |
| Primary current measuring range |
IP |
0～
±90A/DC |
0～
±150A/DC |
| Secondary nominal RMS current |
ISN |
50mA±0.5% at IPN =F.S |
| Supply voltage |
VC |
±12V～±15V DC ±5% |
| Zero offset current @IPN =0, TA = 25°C |
I0 |
within ±0.2mA at IPN =0 |
Within ±0.15mA at IPN =0 |
| Thermal drift of offset current @IPN =0 |
I0T |
within ±0.5mA |
within ±0.4mA |
| Linearity of VSN at IPN =F.S |
εL |
within ±0.1% of IPN at IPN =F.S |
within ±0.1% of IPN at IPN =F.S |
| Response time |
Tr |
<1μs |
| Frequency bandwidth |
f |
DC200KHz |
| R.m.s. voltage for AC isolation test |
Vd |
3KV/50 or 60Hz/min |
| Load resistance |
RL |
50～160 Ω |
20～120 Ω |
| Ambient operating temperature |
Ta |
-10～+85°C E:-40～+85°C |
| Ambient storage temperature |
Ts |
-25～+90°C E:-45～+105°C |
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