Overview
The Belimo 22DTC-13 is an active duct sensor engineered for dual monitoring of CO₂ levels and temperature in air ducts. Featuring a 4-20 mA current output, it provides accurate air quality data to building management systems over long distance runs.
Features
- Dual measurement of carbon dioxide and temperature in a single device
- Dual-channel NDIR sensor technology for high stability and accuracy
- 4…20 mA current output signal for noise-resistant transmission
- Rugged IP65 / NEMA 4X enclosure
- Configurable via Belimo Assistant App using NFC technology
Specifications
- Measured Values: CO₂, Temperature
- Output Signal: 4…20 mA
- CO₂ Range: 0…2000 ppm
- Probe Length: 7 inches [180 mm]
- Probe Diameter: 0.77 inches [19.5 mm]
- Enclosure Rating: NEMA 4X / IP65
Applications
- Demand-controlled ventilation in office buildings and schools
- Continuous CO₂ and temperature tracking in air handling units
- Building automation control for optimal indoor air quality



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