GE PQM-T20-C-A Power Quality Meter
The GE PQM-T20-C-A is a high-precision, multi-functional power quality monitoring device belonging to the GE Power Quality Monitor II (PQMII) series. Designed for accurate and reliable monitoring of electrical systems, the GE PQM-T20-C-A provides real-time data on critical parameters like voltage, current, power, energy, frequency, and harmonics. By analyzing power quality issues such as voltage sags, swells, transients, and harmonic distortion, the GE PQM-T20-C-A helps users identify, troubleshoot, and resolve grid problems, ensuring the stable operation of electrical equipment and enhancing overall system reliability. With its compact design, advanced measurement capabilities, and robust communication options, the GE PQM-T20-C-A is suitable for diverse environments, from industrial plants to critical infrastructure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | GE PQM-T20-C-A |
| Manufacturer | General Electric (GE) |
| Series | PQM II (Power Quality Monitor II) |
| Voltage Measurement Range | 60V–600V AC (Line-Line), 50/60 Hz |
| Current Measurement Range | 0.1A–20A AC, 50/60 Hz |
| Accuracy | ±0.2% (Voltage/Current), ±0.5% (Power) |
| Harmonic Measurement | 1st–50th harmonic order |
| Frequency Range | 45Hz–65Hz |
| Control Power | 20–60V DC / 20–48V AC, 20 VA |
| Analog Input | 1 × 4–20 mA DC |
| Analog Outputs | 4 × Isolated 4–20 mA (assignable) |
| Digital Inputs | 4 × Programmable switch inputs |
| Digital Outputs | 4 × Form-C relay outputs (programmable) |
| Communication Ports | 1 × RS-232 (front), 2 × RS-485 (rear); Modbus RTU protocol |
| Display | Backlit LCD, 96mm × 96mm × 75mm |
| Operating Temperature | -20°C to +70°C |
| Dimensions (W×H×D) | 96mm × 96mm × 75mm |
| Weight | Approx. 1.36 kg (3.00 lbs) |
Applications
- Power Systems & Substations: Monitor feeder performance, load distribution, and grid stability.
- Industrial Plants (Manufacturing, Chemical, Metallurgy): Track energy consumption, optimize load management, and protect sensitive machinery from harmonic damage.
- Data Centers & Critical Infrastructure: Ensure uninterrupted power supply and protect servers/IT equipment from voltage fluctuations.
- Commercial Buildings & HVAC Systems: Manage energy usage, improve power factor, and reduce operational costs.
- Renewable Energy Installations: Monitor grid integration of solar/wind systems and detect power quality disturbances.
Core Functions
- Real-Time Parameter Measurement: Simultaneously monitors voltage, current, active/reactive power, power factor, frequency, and energy.
- Harmonic Analysis: Measures up to the 50th harmonic to identify distortion issues.
- Waveform Capture: Records voltage/current waveforms for detailed disturbance analysis.
- Data Logging: Stores up to 10,000 events for historical trending and troubleshooting.
- I/O & Alarming: Features programmable digital/analog I/O for alarm triggering and control integration.
- Communication: Supports Modbus RTU, RS-232, and dual RS-485 ports for seamless SCADA/BMS integration.
There are no reviews yet.