Catalogue Carbon Dioxide Solid State Sensor
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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
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