Overview
The Inventory Master Ultra-low Power CO2 Sensor Semiconductor for Chemicals is designed for detecting carbon dioxide concentrations with high precision. This device utilizes a semiconductor oxide chemical sensing mechanism based on the principle of a solid electrolyte battery. When maintained at a specific operating temperature and exposed to CO2, the sensor facilitates a reaction between its positive and negative electrodes, generating an electromotive force between its sensitive and reference electrodes.
This product provides an output signal voltage that is inversely proportional to the logarithm of the CO2 concentration. By measuring the change in test signal voltage, it effectively detects variations in CO2 levels. Engineered for reliability and efficiency, this device is ideal for air quality monitoring and other environmental applications.
Technical Specifications
| Specifications | Details |
| Standard Package | Metal case |
| Detection Gas | Carbon dioxide (CO2) |
| Detection Range | 0 to 1000 ppm CO |
| Heating Voltage Vn | 5.0 ± 0.1 V |
| Heating Resistance Rh | 60 ± 5 Ω |
| Heating Current IH | 85 ± 10 mA |
| Heating Power Consumption PH | 420 ± 50 mW |
| Operating Temperature | -20 to 50 °C (-4 to 122 °F) |
| Operating Temperature Tao (Alternate) | -20 to 70 °C (-4 to 158 °F) |
| Storage Temperature Zero Point EMF | 200 to 400 mV (in 400 ppm CO3) |
| Output Signal EMF | 20 mV EMF (400 ppm CO2) to EMF (100 ppm CO2) |
| Application | Detection of CO2 concentration in air quality |
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