PQM-T20-C

Product Overview

The GE Fanuc PQM-T20-C is a power quality meter designed to measure and monitor current, voltage, harmonics, and frequency with high accuracy for industrial applications.

Current Inputs

• Conversion: True RMS, 64 samples/cycle

• CT Input: 1 A and 5 A secondary

• Burden: 0.2 VA

• Overload: 20 × CT for 1 sec, 100 × CT for 0.2 sec

• Range: 1–150% of CT primary

• Frequency: Up to 32nd harmonic

• Accuracy: ±0.2% of full scale

Voltage Inputs

• Conversion: True RMS, 64 samples/cycle

• VT Ratio: Direct or 120–72000:69–240

• Burden: 2.2 MΩ

• Input Range: 20–600 V AC

• Full Scale: 150/600 V AC autoscaled

• Frequency: Up to 32nd harmonic

• Accuracy: ±0.2% of full scale

Trace Memory Trigger

• Input: 1 cycle of current and voltage data

• Time Delay: 0–30 cycles

Analog Input

• Range: 4–20 mA

• Accuracy: ±1% of full scale

• Internal Burden Resistance: 250 Ω

Underfrequency Monitoring

• Required Voltage: >30 V applied in phase A

• Pickup: 20.00–70.00 Hz in 0.01 Hz steps

• Dropout: Pickup + 0.03 Hz

• Time Delay: 0.1–10.0 sec in 0.1 sec steps

• Accuracy: 0.02 Hz

• Timing Accuracy: ±3 cycles

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