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User Manual
2.1.3 Measurements
Measurement specifications apply to single chassis AC sources. See notes for other models and
configurations.
Parameter
1
Frequency
Voltage
Phase angle
Current
Peak Current
Crest Factor
VA Power
Real Power
Power Factor
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 > 20 Vrms.
Note: Crest Factor accuracy applies for Irms > 50% of max.
Note: Power Factor accuracy applies for PF > 0.5 and VA > 50% of max.
2.1.4 Harmonic Measurements
Harmonic measurement specifications apply to 2253iX model AC sources only.
Parameter
Frequency fundamental
Frequency harmonics
Phase
Voltage
Fundamental
Harmonic 2 - 50
2
Current
Fundamental
Harmonic 3 - 50
Note: For multi-chassis configurations, current accuracy specifications are times the number of
chassis.
1
Frequency measurement specifications valid with output voltage of 20Vrms or higher. If output relay is open, frequency
measurement will return 0.0 Hz.
2
Second current harmonic measurement value not included.
California Instruments
Range
16.00-1000.0 Hz
0 - 400 Volts
0 – 360°
0 – 15 Amps
0 - 60 Amps
1.00 –10.00
0 - 4 KVA
0 - 4 KW
0.00 - 1.00
Range
16.00 - 81.91 Hz
82.0 - 819.1 Hz
> 819.1 Hz
16.00 Hz – 48 kHz
-180° – 180°
0 - 400 Volts
0 - 15 Amps
Accuracy ( % FS)
0.1 %
0.1 %
0.5°
0.5 %
0.5 %
1.5 %
0.5 %
0.5 %
1 %
Accuracy ( % FS)
0.1%
0.5%
2° + 5°/kHz
0.5%
0.5% + 0.5%/kHz
0.5%
0.5% + 0.5%/kHz
2253i / 2253iX
Resolution
0.01 Hz to 81.91 Hz
0.1 Hz to 819.1 Hz
1 Hz > 819.1 Hz
0.01 Volt
0.1°
0.001 Amp
0.001 Amp
0.01
1 VA
1 W
0.01
Resolution
0.01 Hz
0.1 Hz
1 Hz
0.1 Hz
0.1°
0.01V
0.01V
0.01A
0.01A
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