Product Overview
The PS1&PS4-H2-4%-MOD series Hydrogen gas module is a compact, low-cost, and long-life electrochemical sensor designed for accurate hydrogen detection. Leveraging SGX Sensortech's 'Solid Polymer Electrolyte' technology, it offers fast response times, stable zero points, and low power consumption, making it ideal for IoT applications. The module features a standard UART digital output, simplifying integration and eliminating the need for extensive sensor knowledge or calibration. Its robust design includes good anti-toxicity, anti-electromagnetic interference, and an independent temperature and humidity digital sensor output. Applications include hydrogen energy vehicle monitoring, industrial safety, storage and transportation safety, and various process monitoring in the petroleum, petrochemical, metallurgy, food processing, and electronics industries.
Product Attributes
- Brand: SGX Sensortech
- Technology: Solid Polymer Electrochemical Sensing Technology
- Certifications: RoHS Eco-friendly design
- Origin: Poland (Manufacturer Address Provided)
Technical Specifications
| Specification | Details |
|---|---|
| Models | PS1-H2-4%-MOD, PS4-H2-4%-MOD |
| Detection Gas | Hydrogen |
| Detection Range | 0-4%vol |
| Resolution | 0.01%vol |
| Lowest Detection Limit | 0.01%vol |
| Full-scale Accuracy Error | 5% F.S |
| Response Time (T90) | < 30 seconds |
| Repeatability | < 2% |
| Settling Time (First power-on in clean air) | < 120 seconds |
| Sensor Life Time | > 5 years (stated as >3 years in one section) |
| Working Temperature | -40 ~ 55 (Optimal: 20 - 35 ) |
| Working Humidity | 15-95 %RH (Non-condensing) (Optimal: 50% RH) |
| Working Voltage | 3.3-5.5V DC |
| Working Current | < 5mA |
| Power Consumption | 25mW @ 5V DC |
| Circuit Board Size | 40x30x5.6 (mm) |
| Module Size (with PS1 sensor) | 40x30x12 (mm) |
| Module Size (with PS4 sensor) | 40x30x22.45 (mm) |
| Weight (PS1) | < 15g |
| Weight (PS4) | < 25g |
| Warranty | 12 months from the date of shipment |
| Interface | UART digital signal (3.3V), Optional Modbus protocol |
| Baud Rate | 9600 |
| Data bits | 8 bits |
| Stop bits | 1 bit |
| Temperature Sensor Range | -40~85 |
| Temperature Sensor Relative Error | 0.2 |
| Humidity Measurement Range | 10 ~ 95% RH (non-condensing) |
| Humidity Sensor Relative Error | 2% |
| Cross Sensitivity (Examples) | Ammonia (NH3): 50ppm -> 0; Benzene (C6H6): 100ppm -> 0; Carbon dioxide (CO2): 2000ppm -> 0; Carbon monoxide (CO): 100ppm -> 500ppm (Note: Table not exhaustive, refer to actual test results) |
| Calibration Gas | 4%vol measurement range: 2%vol hydrogen calibration |
| Sleeping Function | Yes, good for low power request IoT applications |
2411261457_Amphenol-PS1-H2-4--MOD_C7328673.pdf
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