User Manual – Rev J
CS Series
California Instruments
19
2.1.7 AC
Measurements
Measurement specifications apply to single chassis CS Series AC source in single or three-
phase mode. See notes for other models and configurations.
Parameter
Range
Accuracy (
±
)
Resolution
1 Phase Mode
3 Phase Mode
Frequency
1
45.00-2000 Hz
0.1% ± 1 digit
0.01 Hz to 81.91 Hz
0.1 Hz to 819.1 Hz
1 Hz > 819.1 Hz
Phase
0.0 – 360.0 °
0.5° < 500 Hz
2° > 500 Hz
0. 1°
RMS Voltage
0 - 400 Volts
0.05% + 0.25V
0.01 Volt
RMS Current
0 - 50 Amps
0.1% + 0.15A
0.1% + 0.05A
0.001 Amp
Peak Current
0 - 150 Amps
0.2% + 0. 5A
0.1% + 0.15A
0.001 Amp
Crest Factor
1.00 – 10.00
1.5 %
1.5 %
0.01
VA Power
0 - 6 KVA
0.15% + 9 VA
0.15% + 3 VA
1 VA
Real Power
0 - 6 KW
0.15% + 9 W
0.15% + 3 W
1 W
Power Factor
0.00 - 1.00
0.03
0.01
0.01
Note: Accuracy specifications are valid above 100 counts. For multi-chassis configurations, Current
and Power range and accuracy specifications are times the number of chassis.
Note: Frequency measurement specification valid for output > 1 Arms.
Note: Crest Factor accuracy applies for Irms > 50% of max.
Note: Power Factor accuracy applies for PF > 0.5 and VA > 50% of max.
2.1.8 Harmonic
Measurements
Harmonic measurement specifications apply to CS Series AC sources in three-phase mode.
See notes for single-phase mode.
Parameter
Range
Accuracy (
±
)
Resolution
Frequency fundamental
45.00 - 81.91 Hz
82.0 - 819.1 Hz
> 819.1 Hz
0.1% ± 1 digit
0.01 Hz
0.1 Hz
1 Hz
Frequency harmonics
45.00 Hz – 16 kHz
0.1% + 2 digits
0.1 Hz
Voltage
Fundamental 0 - 400 Volts
0.05% + 0.25V
0.01V
Harmonic 2 - 50
0.1% + 0.1%/kHz + 0.25
0.01V
Current
Fundamental 0 - 20 Amps
0.1% + 0.05A
0.01A
Harmonic 2 - 50
0.1% + 0.1%/kHz + 0.05A
0.01A
Note: Current range and accuracy specifications are times three in single-phase mode. For multi-
1
Frequency measurement specifications valid with output current of 1 Arms or higher. If output relay is open,
frequency measurement will return 0.0 Hz.
