Analog inputs
|
Number |
4 |
|
Design |
galvanically isolated, single ended |
|
Sampling method |
parallel |
|
Input signal / nominal voltage |
150 V AC |
|
Resolution |
24 bit (Delta-Sigma) |
|
ADC sampling rate |
500 kHz |
|
ibaPDA timebase (update time) |
min. 2 μs; freely adjustable (integer multiple); max. 1 ms for filter signals |
|
Conversion time |
not relevant; excluded during data acquisition |
|
Filter |
|
|
ADC signal |
|
|
Analog |
R/C low-pass, 1st order, typ. 150 kHz |
|
Digital |
anti-aliasing filter (FIR), 84th order; cutoff frequency = 0.45 x ADC sampling rate; oversampling = 32 x ADC sampling rate |
|
Filter-Signal1 |
|
|
Like ADC signal, in addition |
|
|
digital |
anti-aliasing filter (Elliptic/Cauer); 10th order; cutoff frequency = 0.45 / timebase |
|
Measuring range |
±312 V |
|
Measuring category |
CAT III 150 V |
|
Input impedance |
|
|
Device switched off |
250 kOhm |
|
Device switched on |
251 kOhm |
|
Input capacity |
8.5 pF |
|
Accuracy (+25 °C) |
< 0.1 % of the respective double full scale value |
|
Electrical isolation |
|
|
Channel - channel |
basic insulation: CAT III 150V |
|
Channel - system |
enhanced insulation: CAT III 150V |
|
Connection technology |
2x 4-pin header, pitch 7.62 mm |
|
Connectors |
2x enclosed; push-in, conductor max. 2.5 mm2, locking lever (latching), protected against reverse polarity, lockable; for information on the conductor and stripping length, see chapter Connection technology connector; order number: 52.000050 |
Additional functions
|
Phasor measurement unit2 |
integrated |
|
Power frequency measurement (10 Hz ... 80 Hz) |
interval 1 s / 10 s (according to IEC 61000-4-30) |