Hydran M2 Monitoring System GE Grid Solutions
Description
GE Grid Solutions Hydran M2 Monitoring System is a compact, permanently mounted online monitoring device for dissolved gases and moisture in transformer oil. It uses proven sensor technology and industry-standard algorithms to detect potential transformer faults early, providing actionable data for condition-based maintenance and reducing unplanned downtime.
| Specification | Value |
|---|---|
| Product Type | Transformer oil dissolved gas and moisture online monitoring system |
| Monitored Parameters | Hydrogen (H2), carbon monoxide (CO), ethylene (C2H4), acetylene (C2H2), methane, carbon dioxide, moisture |
| Measurement Ranges | H2: 0-10000 ppm; CO: 0-3500 ppm; C2H2: 0-500 ppm; C2H4: 0-1000 ppm; methane: 0-10000 ppm; carbon dioxide: 0-10000 ppm; moisture: 0-100 ppm |
| Measurement Accuracy | ±2 ppm for most gases and moisture; or ±10% of reading, whichever is larger |
| Power Supply | 85-265 V AC, 18-30 V DC, or 24 V DC |
| Operating Temperature | -40 to 85 degrees Celsius |
| Protection Rating | IP65 or IP66 |
| Dimensions | 483mm x 266mm x 229mm |
| Weight | Approximately 15 kg |
| Communication Interfaces | RS-232/485, Ethernet; supports Modbus RTU/TCP, DNP3, IEC 61850 protocols |
Key Features:
- Continuous or periodic sampling with closed-loop connection to transformer oil circuit
- Built-in self-diagnostic functions to monitor sensor performance, oil flow, and system health
- Modular sensor design for field replacement and calibration with low maintenance needs
- Algorithm-based fault grading (normal, attention, abnormal, severe) per IEEE C57.104 and IEC 60599 standards
- Supports up to two years of data recording for fault diagnosis and life assessment
- Flexible configuration with optional additional sensors for load, oil temperature, and environmental data
Applications:
- Power system transformers in substations
- Industrial facility transformers
- Wind farm transformer fleets
- Transformer manufacturing and testing environments
Related Models:
- Hydran M1
- Hydran M3
- Hydran 201i
- Hydran 202i