Description
High-Pressure Hydrogen Sensor up to 1,500 bar (20,000 psi)
Hydrogen-Compatible Pressure Measurement for Demanding Applications
T
he GS4200H Hydrogen Pressure Transducer is engineered for accurate and reliable pressure monitoring in hydrogen environments up to 1,500 bar (20,000 psi). Designed with Silicon-on-Sapphire (SoS) sensing technology and titanium wetted parts, it delivers long-term stability, corrosion resistance, and compliance with hydrogen safety standards.
Technical Specifications
- Pressure Range: Vacuum to 1,500 bar (20,000 psi)
- Accuracy: ±0.25% standard (higher accuracy options available)
- Overpressure Rating: 2x rated pressure
- Sensor Technology: Silicon-on-Sapphire (SoS)
- Wetted Materials: High-strength titanium alloy
- Pressure Connections: 1/4″ BSP (alternatives available)
- Outputs: Multiple configurable output options
- Electrical Connections: Customizable options
Why Silicon-on-Sapphire for Hydrogen?
Silicon-on-Sapphire technology offers:
- Exceptional long-term stability
- High overpressure capability
- Superior resistance to thermal shock
- Excellent performance in high-pressure hydrogen systems
- Reduced drift compared to conventional silicon sensors
For hydrogen compression, storage, and dispensing systems, stability under cycling pressure is critical; SoS technology ensures repeatable and accurate measurement.
Hydrogen Application Areas
The SUCO ESI North America’s Pressure Transducer GS4200H is suitable for:
- Hydrogen fuel cell systems
- Hydrogen refueling stations (HRS)
- Hydrogen-powered vehicles
- Marine hydrogen propulsion systems
- Forklifts and lift trucks
- Power generation systems
- Hydrogen engines
- Laboratory hydrogen testing environments
- Commercial and heavy-duty vehicles

Explosion Protection & Marine Certification Options
ATEX / IECEx Versions Available
Optional versions comply with:
- Zone 0 (flammable gas environments)
- Zone 20 (combustible dust environments)
- Group I M1 (mining applications)
Marine Certification
Marine variant approved by:
-
DNV
Compliant with:
- Classification of ships
- High-speed and light craft standards
- Offshore standards
Built for Hydrogen Safety & Compliance
Hydrogen systems demand materials resistant to embrittlement and permeation. The GS4200H:
- Uses titanium alloy wetted parts for corrosion resistance
- Is tested according to ISO 11114-2:2017 (metallic material compatibility with hydrogen)
- Supports safe operation in high-pressure hydrogen storage and dispensing



