PS4-PH3-20

PS4-PH3-20 is a PS4 series Phosphine electrochemical gas sensor using a revolutionary ‘Solid Polymer Electrolyte’ technology that is based on the principle of catalytic reaction. The target gas to be measured generates a very small current, proportional to the gas concentration. The technology offers a stable, high-quality and cost-effective manufacturing process. Key applications include TLV monitoring and parking garages.

• Small size, high sensitivity, wide temperature range
• Fast response time, no electrolyte leakage, low cost at large volumes
• Individually calibrated (including test report)
• 150±30nA / ppm sensitivity, measurement range from 0 to 20ppm
• ±2nA zero current, 50ppm maximum overload, T50 < 10s, T90 < 30s response time
• 1% repeatability, 0.1ppm lower detectable limit, 50ppm linear range
• 0.01ppm resolution (16Bit ADC), pressure range from 800 to 1200hPa
• Operating humidity range from 15-95% RH, < 1%/month long-term drift
• > 3 years in air expected lifetime, < 0.2ppm zero drift in clean air, < 60s warm up time
• 12 months storage life and warranty, PPO housing material, temperature range from -40°C to +55°C

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Do not solder to the connector pins as this may damage the sensor and thereby invalidate the warranty.