GE H201Ci-1 (Hydran 201Ci-1) is a single-channel controller designed for the Hydran 201i gas monitoring system, specializing in precise gas concentration measurement and control. As a critical component for industrial safety and condition monitoring, H201Ci-1 integrates with the Hydran 201Ti intelligent transmitter to deliver real-time data on gas levels (e.g., moisture in transformer oil). It features a NEMA 4X-rated heated enclosure for harsh environments, isolated 4–20 mA analog outputs (0–2000 ppm range), and dual alarm thresholds (high/high-high) for safety-critical applications. With support for power failure and communication loss alarms, H201Ci-1 ensures reliable operation in energy, manufacturing, and utilities sectors.
2. Technical Parameters
Parameter
Specification
Manufacturer
GE Energy
Series
Hydran 201i
Measurement Range
0–1000 ppm (configurable)
Accuracy
±2% of reading
Output
Isolated 4–20 mA (0–2000 ppm)
Voltage
24 VDC (±10%)
Temperature Range
-40°C to 85°C
Pressure Range
0–200 psi
Enclosure Rating
NEMA 4X (heated)
Alarm Functions
High/high-high gas, power fail, communication loss
Dimensions
Compact design (fit for standard panels)
GE H20CI-1
3. Advantages and Features
Precision Monitoring: ±2% accuracy ensures reliable gas concentration analysis for predictive maintenance.
Safety Redundancy: Fail-safe design with alarm-triggered analog output reset (0 mA) and display blanking during faults.
Environmental Resilience: NEMA 4X enclosure and wide temperature range (-40°C to 85°C) suit extreme industrial settings.
Easy Integration: Seamless pairing with Hydran 201Ti transmitters via dedicated communication protocols.
Modular Design: Single-circuit board for simplified maintenance and firmware updates.
4. Application Areas and Case Studies
Industries: Power generation (transformer monitoring), oil & gas (condition-based maintenance), manufacturing (process safety). Case Study: A utility company deployed H201Ci-1 in 50+ transformers to monitor moisture levels. The system detected early-stage insulation degradation in three units, enabling proactive repairs and avoiding $2M in potential downtime. Integration with SCADA reduced manual inspections by 40%.
5. Competitor Comparison
Compared to generic single-channel controllers, H201Ci-1 offers:
Certified Safety: Built-in safety alarms (UL/cUL listed) vs. aftermarket add-ons.
Ecosystem Compatibility: Native support for GE’s Hydran 201i ecosystem (vs. generic protocols requiring adapters).
Environmental Robustness: Heated enclosure (standard) vs. optional add-ons in competitors.
Cost Efficiency: 15% lower maintenance costs over 5 years due to modular design and GE’s global service network.
GE H20CI-1
6. Selection Recommendations
Application Needs: Choose for single-channel gas monitoring (e.g., moisture, hydrogen) in critical assets.
Voltage Compatibility: Verify 24 VDC power supply availability.
Enclosure Requirements: Opt for NEMA 4X (heated) for outdoor/harsh environments.
Integration: Ensure compatibility with Hydran 201Ti transmitters (via GE’s proprietary communication link).
7. Precautions
Installation: Follow NEMA 4X enclosure mounting guidelines (IP66/IP67 equivalent).
Power Surges: Use surge protection devices (SPD) to prevent voltage spikes.
Firmware: Update regularly via GE’s secure portal to address security patches and feature enhancements.
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Full 12-month warranty on all components
Full 12-month warranty on all components
