GE PQM-T20-C-A

Product Overview

The GE PQM-T20-C-A is a high-performance power quality meter designed for comprehensive monitoring and analysis of electrical systems. Developed by General Electric, this advanced device ensures accurate measurement of key electrical parameters, enabling improved energy efficiency, system reliability, and fault detection in industrial and commercial environments.

Engineered for modern power networks, the PQM-T20-C-A integrates advanced metering capabilities with robust communication features, making it suitable for both standalone and networked applications.

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Key Features

• Comprehensive Power Monitoring: Measures voltage, current, frequency, power factor, active/reactive power, and energy consumption.
• High Accuracy Measurement: Ensures precise data acquisition for critical power quality analysis.
• Real-Time Data Logging: Continuous recording of system performance for trend analysis and diagnostics.
• Event Detection & Alarming: Captures disturbances such as voltage sags, swells, and harmonics.
• Flexible Communication Options: Supports integration with SCADA and energy management systems.
• User-Friendly Interface: Clear display and intuitive configuration for easy operation.

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Technical Specifications

Parameter	Specification
Model	PQM-T20-C-A
Voltage Input	Up to 600V (typical industrial range)
Current Input	1A / 5A CT input
Frequency Range	45–65 Hz
Measurement Accuracy	±0.2% (typical)
Communication Interface	RS485 / Modbus RTU
Data Logging	Built-in memory
Power Supply	85–265 VAC / 100–300 VDC
Operating Temperature	-20°C to +60°C
Mounting Type	Panel-mounted

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Structure & Composition

The PQM-T20-C-A is composed of a rugged industrial-grade enclosure, a high-resolution display module, precision sensing circuits, and an embedded microprocessor. The internal architecture is optimized for real-time data processing and long-term reliability.

Key structural elements include:

• Front panel with LCD display and control keys
• Terminal blocks for voltage and current inputs
• Communication ports for system integration
• Internal memory module for data storage

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Application Areas

This power quality meter is widely used across multiple sectors, including:

• Industrial manufacturing plants
• Power distribution systems
• Commercial buildings and data centers
• Renewable energy installations
• Utilities and substations

It is particularly effective in environments where continuous monitoring and energy optimization are critical.

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Installation & Maintenance

Installation:
The device is designed for panel mounting and should be installed in a dry, well-ventilated electrical cabinet. Proper wiring of voltage and current inputs is essential to ensure accurate readings.

Maintenance:

• Periodic inspection of wiring connections
• Routine cleaning of the display and terminals
• Firmware updates when required
• Calibration checks for long-term accuracy

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Additional Advantages

• Enhances energy efficiency and reduces operational costs
• Improves system reliability through early fault detection
• Supports regulatory compliance with power quality standards
• Scalable solution for both small and large electrical systems