SDP-MH7300 Hydrogen Pressure Transmitter
The SDP-MH7300 is a compact pressure transmitter designed for hydrogen pressure monitoring. Featuring 316L stainless steel construction and an integral sensing structure without an oil-filled cavity or welded isolation diaphragm, it supports demanding hydrogen measurement applications.
With typical accuracy of ±0.25% F.S. BFSL at 25°C, multiple pressure connection options and a choice of outputs, the SDP-MH7300 supports integration into PEM fuel cell systems, hydrogen storage and refuelling equipment, hydrogen-powered vehicles and test benches.
Features
• Designed for Hydrogen — 316L stainless steel construction for hydrogen pressure measurement.
• Oil-Free Sensing Structure — Integral design without an oil-filled cavity or welded isolation diaphragm.
• Flexible OEM Integration — Compact construction with multiple pressure connection and output options.
Product Overview
The SDP-MH7300 Hydrogen Pressure Transmitter is designed for hydrogen pressure monitoring. Its compact 316L stainless steel construction incorporates an integral sensing structure without an oil-filled cavity or welded isolation diaphragm.
Pressure connection and output options support integration into hydrogen equipment and OEM systems.
Product Features
- Designed for hydrogen measurement
- Oil-free sensing structure
- Compact, rugged construction
- Multiple connection and output choices
Applications
- PEM fuel cell systems
- Hydrogen storage and refuelling equipment
- Hydrogen-powered vehicles
- Backup power systems
- Test benches
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SDP-MH7300 |
| Accuracy at 25°C | Typical: ±0.25% F.S. BFSL; maximum: ±0.3% F.S. BFSL |
| Long-term stability | ±0.25% F.S./year |
| Pressure cycle life | 10 million cycles, 0–full scale |
| Diaphragm material | 316L stainless steel |
| Operating / storage temperature | −40°C to +125°C; cable limited to +105°C |
| Insulation resistance | ≥100 MΩ at 500 VDC, signal to housing |
| Response time | Voltage: <2 ms; current: <3 ms (10–90%, without damping) |
F.S. = Full Scale. BFSL = Best Fit Straight Line. Typical values are not maximum error limits.
Application & Installation Requirements
Select the configuration according to hydrogen service conditions, including working pressure, pressure cycling, temperature and the required sealing arrangement. Confirm the suitability of all wetted materials and seals for the intended application.
Use the dimensional drawing and wiring diagram supplied for the selected version. Any required hazardous-area approval must be confirmed for the exact configuration before ordering.
Product Selection
Please provide the following information for configuration review and quotation:
| Selection Item | Information Required |
|---|---|
| Application | Equipment type, hydrogen composition and service conditions |
| Pressure requirements | Measurement range, pressure reference, maximum operating pressure and transient peaks |
| Temperature requirements | Medium temperature, ambient temperature and required accuracy across temperature |
| Electrical requirements | Required output signal, supply voltage, connector type and cable length |
| Mechanical installation | Process connection, sealing method and available installation space |
| Environmental requirements | Ingress protection, vibration, shock and any required approvals |
| Project requirements | Sample quantity, estimated annual demand and requested delivery date |
Available ranges, outputs, supply requirements, pressure limits and temperature-compensated performance must be confirmed for the selected configuration.
Discuss Your Hydrogen Application with SensorDyna
Send us your operating conditions and installation requirements for configuration review, sample enquiries and project quotations.
