Kewtech KT64, Инструкция по эксплуатации, Страница: 10 / 44

7
Loop Impedance
Function
Rated
Voltage
Nominal Test Current at
0
Ω
External Loop:
Magnitude/Duration(* 1 )
Range Accuracy
L-PE
100 ~ 260 V
50 / 60 Hz
20
Ω
: 6 A/ 20 ms
200
Ω
: 2 A/ 20 ms
2000
Ω
: 15 mA/ 360 ms
20 / 200 / 2000
Ω
Auto-Ranging
± ( 3 %rdg+ 4 dgt) * 2
± ( 3 %rdg+ 8 dgt) * 3
L-PE
(ATT)
100 ~ 260 V
50 / 60 Hz
L-N: 6 A/ 40 ms
N-PE: 10 mA/approx. 4 s
20 / 200 / 2000
Ω
Auto-Ranging
L-N < 20
Ω
± ( 3 %rdg+ 6 dgt) * 2
± ( 3 %rdg+ 8 dgt) * 3
L-N / L-L
50 / 60 Hz
L-N: 100 ~ 300 V
L-L: 300 ~ 500 V
20
Ω
: 6 A/ 20 ms 20
Ω
± ( 3 %rdg+ 4 dgt) * 2
± ( 3 %rdg+ 8 dgt) * 3
* 1 : at 230 V
* 2 : 230 V+ 10 %- 15 %
* 3 : voltages except for * 2
PSC (L-N/L-L) / PFC (L-PE)
Function
Rated
Voltage
Nominal Test Current
at
0
Ω
External Loop:
Magnitude/
Duration(* 4 )
Range Accuracy
PSC
100 ~ 500 V
50 / 60 Hz
6 A/ 20 ms
2000 A/ 20 kA
Auto-Ranging
PSC/PFC
accuracy is
derived from
measured loop
impedance
specification
and measured
voltage
specification
PFC
100 ~ 260 V
50 / 60 Hz
6 A/ 20 ms
2 A/ 20 ms
15 mA/ 360 ms
PFC
(ATT)
100 ~ 260 V
50 / 60 Hz
L-N: 6 A/ 40 ms
N-PE: 10 mA/approx. 4 s
* 4 : at 230 V
Specification