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| Solid State - Carbon Dioxide Sensor | |||||||||||||||||||||
| Our new carbon dioxide sensor, still being improved, is the first result of years of research into potentiometric gas sensors. Operating as a gas ion selective electrode (ISE), the sensor has an easy interface, and is supplied in our D Family size and in the future a 2025 button cell will become available. This sensor is emerging from development, and is now ready for field trials. Specifications may change. | |||||||||||||||||||||
| Table 1 C02 Specification | |||||||||||||||||||||
| PERFORMANCE Range CO2 concentration Response time t90 (s) for mV change (20°C) Linearity See Figure 3 Sensitivity mV/decade concentration change (Nernstian slope) Zero Eo @ 5000 ppm | |||||||||||||||||||||
| 100 ppm to >90% 2-4 min Logarithmic 10 -30 to +30 mV | |||||||||||||||||||||
| ENVIRONMENTAL Temperature dependence Temperature dependence Temperature range Humidity range | |||||||||||||||||||||
| (10°C to 20°C) offset shift (20°C to 30°C) offset shift °C (maybe extended) % rh (continuous) | |||||||||||||||||||||
| +6mV -3mV 10°C to30°C 15 to 80 | |||||||||||||||||||||
| Room temperature operation Requires no power Small size Measures from 100ppm to >90% CO2 Low cost | |||||||||||||||||||||
| Markets: Combustion Analysis Safety Industrial Process Control | |||||||||||||||||||||
| Figure 1 - Sensor Dimensions and Pin-out | |||||||||||||||||||||