Description
PQMII-T20 – GE Power Quality Monitor
1. Product Description
ThePQMII-T20is a compact power quality monitor for three-phase systems, measuring voltage, current, harmonics, and events (sags/swells). It supports Modbus/DNP 3.0, 4 programmable relays, and 500 event logs. Ideal for industrial/commercial power management.
2. Technical Parameters
| Parameter | Specification |
|---|---|
| Voltage Range | 20–60V DC / 20–48V AC |
| Current Measurement | Conventional transformers or sensors |
| Event Logs | 500 voltage sags/swells |
| Relays | 4 programmable (26 max with expansion) |
| Communication | Modbus RTU/TCP, DNP 3.0 |
PQMII-T20
3. Advantages & Features
- VDR Integration: Stores 500 events (vs. 100–200 in 竞品).
- Dual Protocol Support: Modbus/DNP 3.0 for utility and industrial use.
- Compact Design: Space-saving form factor (no mounting base required).
4. Application Areas & Use Case
- Industries: Data centers, manufacturing, renewable energy.
- Use Case: A manufacturing 园区 reduced energy costs by 18% using PQMII-T20 to optimize power factor (0.95) and identify harmonic issues.
5. Competitor Comparison
vs. similar monitors:
- More Event Logs: 500 events (vs. 100–200 in 竞品).
- Dual Protocol: Modbus + DNP 3.0 (vs. single-protocol in 竞品).
PQMII-T20
6. Selection Recommendations
- Voltage Class: Match system voltage (DC/AC).
- Relay Needs: Select models with 4–26 relays based on control requirements.
7. Precautions
- Installation: Mount in a dry, ventilated area.
- Calibration: Regularly verify sensor accuracy (annual recommended).
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