GE Hydran M2 Mark III Enhanced DGA Monitoring Module – Key Functions
1. Core Purpose
The Hydran M2 Mark III is an enhanced dissolved gas analysis (DGA) sensor module designed for continuous monitoring of transformer oil, providing advanced early warning of electrical and thermal faults in power transformers.
2. Main Features
Enhanced Gas Detection:
Measures four critical fault gases: hydrogen (H₂), carbon monoxide (CO), ethylene (C₂H₄), and acetylene (C₂H₂) with improved accuracy
Features next-generation fuel cell technology with reduced cross-sensitivity for more reliable readings
Smart Monitoring Capabilities:
Auto-calibration function maintains long-term measurement stability
Integrated temperature compensation for consistent performance across operating conditions
Ruggedized Design:
Extended operational life (5+ years typical service)
Harsh environment rated (-40°C to +70°C operation)
3. Key Applications
Critical Transformer Protection: Detects incipient faults including partial discharge, thermal faults, and arcing
Condition-Based Maintenance: Enables predictive maintenance strategies through trend analysis
Fleet Monitoring: Compatible with GE’s Hydran Vision* software for centralized asset management
4. Communication & Integration
Standard 4-20mA output for analog systems
Digital RS-485 interface with Modbus protocol
Compatible with Hydran 201Ti controllers and third-party monitoring systems
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