User Manual – Rev AJ California Instruments
2.1.4 DC Measurements
Parameter Range
Accuracy ()
Resolution
Voltage 0 - 400 Volts 0.5 Volts 0.1 Volt
Current 0 - 400 Amps 0.5 Amps 0.01 Amp
Power 0 - 10 kW 30 W 10 W
Note: Accuracy specifications are valid above 100 counts. For current and power measurements,
specifications apply from 2% to 100% of measurement range. Current and Power accuracy and
resolution s
ecifications are times three for MX30-1, MX45-1, MX60, MX90 and MX135 or MX30-3Pi /
2.1.5 Harmonic Measurements (Pi controller)
Harmonic measurement specifications apply to MX30-3, MX45-3, MX30-3Pi and MX45-3Pi in
three-phase mode. See notes for other models and configurations.
Parameter Range
Accuracy ()
Resolution
Frequency fundamental 16.00 - 820 Hz 0.03% + 0.03 Hz 0.01 Hz
Frequency harmonics
MX45-3, MX45-3Pi in 3
phase mode, MX60,
MX90, MX135:
Series I
Series II
32.00 Hz – 6.67 KHz
32.00 Hz – 16 KHz
0.03% + 0.03 Hz 0.01 Hz
MX45-1, MX45-3Pi in 1
phase mode:
Series I
Series II
32.00 Hz - 19.2 KHz
32.00 Hz – 48 KHz
0.03% + 0.03 Hz 0.01 Hz
Phase 0.0 - 360.0° 2° typ. 0.5°
Voltage Fundamental 0.75V 0.01V
Harmonic 2 - 50 0.75V + 0.3% + 0.3%/kHz 0.01V
Current Fundamental 0.5A 0.1A
Harmonic 2 - 50 0.15A + 0.3% + 0.3%/kHz 0.1A
Note: For current measurements, specifications apply from 2% to 100% of measurement range.
Current range and accuracy specifications are times three for MX30-1, MX45-1, MX60, MX90 and
MX135 or MX30-3Pi / MX45-3Pi in single-phase mode.
2.1.6 System Specification
Parameter Specification
External Modulation: 0 to 10%
Synchronization
Input:
Isolated TTL input for external frequency control. Requires 5V at 5 mA for
logic high.
Trigger Input: External trigger source input. Requires TTL level input signal. Triggers on
negative edge. Response time 80 - 100 s.
Trigger Output:
Programmable through transient list system. 400 s pulse for voltage or
frequency change Isolated TTL output Output reverts to Function strobe
20 MX Series