PQMII-A Power Quality Meter | GE Multilin for Three-Phase Monitoring

GE Multilin PQMII-A Power Quality Meter – Product Description

Overview

The GE Multilin PQMII-A is a digital power quality meter designed for continuous monitoring of three-phase systems. Moreover, it accurately measures currents, voltages, real and reactive power, energy usage, frequency, power factor, and associated costs. Programmable setpoints and four assignable output relays allow advanced control functions tailored to specific applications. Its robust design ensures reliability in industrial, utility, and commercial environments.

Technical Specifications

Model Number: PQMII-A
Power Supply: 90–300 VDC / 70–265 VAC
Frequency: 50/60 Hz
Power Consumption: 20 VA
Electrical Measurements:

• Phase Currents: Ia, Ib, Ic, In

• Phase Voltages: Va, Vb, Vc, Vab, Vbc, Vca

• True power factor, crest factor, K-factor, V/I unbalance
  Display: Keypad with large 40-character illuminated display
  Communication Ports: Front RS-232, 2 rear RS-485 ports (Modbus RTU, DNP 3.0)
  Optional Ethernet: MultiNet connectivity for SCADA/DCS integration
  Digital & Analog I/O: Configurable inputs/outputs for alarms and control
  Environmental Ratings:

• Operating Temperature: –20 °C to +60 °C

• Storage Temperature: –40 °C to +85 °C

• Humidity: 5–95% non-condensing
  Physical Dimensions: Compact panel-mount design
  Weight: 5 lbs (2.3 kg)

FAQ

Q1: What power parameters does the PQMII-A monitor?
It measures phase currents, voltages, real/reactive power, energy usage, power factor, and frequency.

Q2: How many relays are assignable for control functions?
The meter includes four programmable output relays for alarms or load management.

Q3: Can it integrate with SCADA systems?
Yes, RS-232, RS-485, and optional Ethernet ports allow seamless SCADA/DCS integration.

Q4: What is the operating temperature range?
It operates reliably from –20 °C to +60 °C in industrial and commercial environments.

Q5: Does it record disturbances?
Yes, it captures voltage sags, swells, and waveform anomalies for analysis and diagnostics.