Product Short Description
Product Overview
GE Hydran 201Ti is a compact, continuous on-line DGA monitor engineered for incipient fault detection in oil-filled electrical equipment, primarily power transformers. It employs fuel cell-based fixed instrument technology (Method 3 per IEEE Standard C57.104) to measure dissolved gases in transformer oil, delivering a composite gas value with 100% response to hydrogen and sensitivity to carbon monoxide, acetylene, and ethylene, or a hydrogen-only measurement option. The unit mounts on a single transformer valve via dynamic oil sampling, eliminating pumps, extra piping, and on-site calibration, enabling plug-and-play installation with minimal maintenance. It integrates an intelligent microprocessor, LCD interface, and multiple communication ports to provide real-time gas data, trend analysis, and alarm notifications, supporting compliance with industry standards and proactive transformer fleet management to prevent unplanned outages.
Description
Technical Specifications
- Manufacturer: GE Vernova (Grid Solutions, formerly Alstom Grid)
- Product Series: Hydran 201Ti Mark IV On-Line DGA Monitor
- Sensor Options:
- Composite Gas Sensor: 100% response to H₂; sensitive to CO (15±4%), C₂H₂ (8±2%), C₂H₄ (1.5±0.5%)
- Hydrogen Only Sensor: Exclusive H₂ measurement, 100% response
- Measurement Performance:
- Range (Composite Gas): 0-2000 ppm (H₂ equivalent)
- Accuracy: ±10% of reading ±25 ppm (H₂ equivalent)
- Response Time: 10 minutes (90% step change)
- Resolution: 1 ppm (H₂ equivalent)
- Power Supply:
- Input: 24 VDC (18-30 VDC tolerance)
- Consumption: 1.5 W (max)
- Communication Interfaces:
- RS-485 (Modbus RTU/Hydran Protocol)
- Isolated USB Type B (Hydran Host software)
- Isolated 4-20 mA analog output (assignable to gas level/trend)
- Physical & Environmental:
- Enclosure: Cylindrical, NEMA 4X (IP66) rated
- Dimensions: 152 mm (height) × 76 mm (diameter)
- Weight: 1.1 kg (including brass valve adapter)
- Operating Temperature: -20°C to 60°C
- Storage Temperature: -40°C to 85°C
- Humidity: 5%-95% (non-condensing)
- Vibration Resistance: 5 g (10-500 Hz)
- Certifications: CE, UL, IEEE C57.104 compliant
Functional Features
- Fuel Cell Sensing Technology: Delivers stable, long-life gas measurement without moving parts or consumables.
- Dynamic Oil Sampling: Mounts on a single valve; no pumps, piping, or on-site calibration required.
- Dual Sensor Options: Composite gas for full fault coverage or hydrogen-only for cost-effective monitoring.
- Intelligent Data Processing: On-board microprocessor for real-time gas calculation, trend analysis, and alarm logic.
- Local & Remote Monitoring: Backlit LCD with keypad for on-site operation; RS-485/USB for remote data access.
- Flexible Alarm Capabilities: Configurable local/remote alarms (gas high, high-high, system fault) with Modbus alerts.
- Data Logging: 4 historic files for trend storage and compliance reporting.
- Isolated Analog Output: 4-20 mA for integration with SCADA/DCS systems.
Functional Advantages
- Early Fault Detection: Covers all major transformer fault gases to enable advance warning and prevent catastrophic failures.
- Minimal Installation Cost: No pipe modification or shutdown; reduces installation time by 80% vs. traditional DGA systems.
- Zero Maintenance: No moving parts or calibration needs lower lifecycle costs and operational risks.
- Seamless Integration: Standard protocols ensure compatibility with existing automation infrastructure.
- Compact & Rugged Design: NEMA 4X enclosure and wide temperature range suit outdoor and harsh industrial environments.
- Compliance Readiness: Data logging and reporting support IEEE C57.104 and regulatory requirements.
Application Scenarios
GE H201Ti is widely deployed for transformer health monitoring across industries, including:
- Power Generation & Transmission: Substation transformers, distribution transformers, and reactor monitoring for grid reliability.
- Oil & Gas Industry: Onshore/offshore transformer fleets in refineries, pipelines, and petrochemical plants.
- Industrial Manufacturing: Large motor control centers, switchgear, and oil-filled capacitors in heavy industry.
- Renewable Energy: Wind/solar farm transformers to maximize uptime and energy output.
- Railway Infrastructure: Traction transformers for reliable rail network operation.
- Data Centers: Critical power transformers to prevent service disruptions.






Reviews
There are no reviews yet.