OMICRON 57
Technical specifications
3.4 CPL1 and CPL2 external quadripole
3.4.1 Accuracy
3.4.2 Device data
Table 3-7: Accuracy
Parameter Value
Current transformer ratio IN input to AC output 1:250
Phase deviation IN input to AC output < 1°
Table 3-8: Device data
Parameter Value
Frequency range PD output (-6 dB)
(Option IEC, Z
i
= 50 Ω)
5kHz…35MHz
Frequency range PD output (-6 dB)
1
(Option NEMA ANSI IEC CISPR, Z
i
= 150 Ω)
20 kHz … 40 MHz
Frequency range PD output (-6 dB)
1
(Option CISPR IEC, Z
i
= 300 Ω)
35 kHz … 2 MHz
Frequency range AC output (1 dB) 5 Hz … 14 kHz
Input impedance IN input (20 kHz… 7 MHz)
(Option IEC)
50 Ω ±20 %
Input impedance IN input (20 kHz… 3 MHz)
(Option NEMA ANSI IEC CISPR)
150 Ω ±20 %
Input impedance IN input (35 kHz… 2 MHz)
(Option CISPR IEC)
300 Ω ±13 %
Input impedance IN input (15 Hz… 400 Hz) 1.3 mH ±10 % + 90 mΩ ±10 %
Required termination impedance PD output 50 Ω
Required termination impedance AC output ≤ 7.5 Ω
Input current (15 Hz… 400 Hz, max. RMS continuous) 7 A
RMS
Input current (50 Hz, min. RMS)
2
5µA
RMS
Short term input current IN input (50 Hz, max. 60 seconds) 14 A
RMS
Short term duty factor of input current IN input 10 %
Current divider ratio IN input to AC output 250:1