Combined CO2 and barometric pressure sensor with a MODBUS RTU RS485 interface.

Multi sensor for CO2 and Barometric pressure
Interface: RS485 - MODBUS RTU
LED indicator for status of communication
Long-term stability based on digital signal processing
Self-calibration on fresh air for CO2 measurements
Changeable communication parameters
Non-volatile memory for all settings
Firmware update via the interface
Size: 81 x 81 x 30 mm
Weight: 66g
Supply voltage: 4,5 - 26VDC / Max. 150mA

TSM400-4-CP
1,894.00 DKK
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Indoor air quality (IAQ). CO2 storage facilities leakage control. Smart ventilation systems. Restaurants and breweries CO2 level monitoring.

CO2 measurements:
Range: 400 to 5000 ppm
Accuracy: ± (40 ppm + 5 %)
Resolution: 1 ppm
Calibration: Automatic, if the sensor is exposed to fresh air for more than 30 minutes.

Pressure measurements:
Range: 10 to 1200 hPa
Accuracy (min): ±1.5 (25°C, 750 hPa)
Accuracy (max): ±2.5 (-20°C to + 85°C, 300 to 1100 hPa)
Resolution: 1 hPa

 

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