The QPM Series Duct CO2 Sensors monitor and transmit changes in CO2 to the building control systems. Several models are available for CO2 only, CO2/Temp, CO2/Temp/RH and CO2/VOC. All variants for CO2 and combination versions with Temperature or VOC deliver 0 to 10 Volt to 5 Volt (field selectable) proportional signals to the controller.
No calibration of the CO2 sensor is necessary, these microprocessor-based units consist of an NDIR sensor that experiences less than 1% drift per year for the first two years of operation and negligible drift thereafter
These units are especially suited for applications where precise, stable CO2 sensing is required
| Mfr. Part No. | Description |
| QPM1100 | Duct VOC Sensor, 0…5V, 0…10V, 0…100%VOC (S55720-S123) |
| QPM2100 | Duct CO2 Sensor, 0…10V, 0…2000ppm |
| QPM2102 | Duct CO2 + VOC Sensor, 0…10V, 0…2000ppm |
| QPM2102D | Duct CO2 + VOC Sensor, 0…10V, 0…2000ppm, LCD Display |
| QPM2160 | Duct CO2/Temperature Sensor, 0…10V, 0…2000ppm |
| QPM2160D | Duct CO2/Temperature Sensor, 0…10V, 0…2000ppm, LCD Display |
| QPM2162 | Duct CO2/Humidity/Temperature Sensor, 0…10V, 0…2000ppm |
| QPM2162D | Duct CO2/Humidity/Temperature Sensor, 0…10V, 0…2000ppm, LCD Display |
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