22DC-51 Belimo Sensor
$327.20
The Belimo 22DC-51 is an active duct CO₂ sensor engineered to monitor indoor air quality in commercial HVAC applications. Utilizing dual-channel NDIR technology, it provides accurate, self-calibrating carbon dioxide measurements with selectable voltage outputs.
Overview
The Belimo 22DC-51 is an active duct CO₂ sensor engineered to monitor indoor air quality in commercial HVAC applications. Utilizing dual-channel NDIR technology, it provides accurate, self-calibrating carbon dioxide measurements with selectable voltage outputs.
Features
- Dual-channel NDIR (non-dispersive infrared) CO₂ sensing technology
- Self-calibrating mechanism ensuring long-term measurement accuracy
- Jumper-selectable 0…5 V or 0…10 V analog output
- NEMA 4X / IP65 enclosure built for demanding duct environments
- Includes 1/2″ NPT conduit adapter and mounting flange
Specifications
- CO₂ Measurement Range: 0 to 2000 ppm
- Probe Length: 7 inches [180 mm]
- Probe Diameter: 0.77 inches [19.5 mm]
- Output Signal: 0…5 V, 0…10 V (selectable)
- Supply Voltage: 24 V AC/DC
- Enclosure Rating: NEMA 4X / IP65
Applications
- Demand-controlled ventilation (DCV) in commercial HVAC systems
- Indoor air quality (IAQ) monitoring in return and supply air ducts
- Carbon dioxide level tracking in office buildings, schools, and public facilities
| Weight | 3 lbs |
|---|---|
| Dimensions | 9 × 9 × 9 in |
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