Belimo 22DC-13 - Duct CO₂ sensor

Belimo 22DC-13 – Duct CO₂ sensor

Active sensor for measuring CO₂ concentration in air inside a duct. Model 22DC-13 uses dual-channel NDIR technology. It is designed for stationary heating, ventilation and air conditioning systems.

Key features and specifications

• Measured value: CO₂; model 22DC-13 has no temperature signal output.
• CO₂ measuring range: factory setting 0...2000 ppm; with A-22G-A05: 0...5000 ppm.
• CO₂ measurement accuracy: ±(50 ppm + 3% of measured value).
• Nominal supply voltage: AC/DC 24 V.
• Voltage output: 1 x 0...5 V, 0...10 V, min. resistance 10 kΩ; 0...5/10 V signal adjustable via jumper.
• Current output: 1x 4...20 mA, max. resistance 500 Ω.
• Probe length: 150 mm; probe diameter: 19.5 mm.
• Protection rating: IP65 / NEMA 4X.
• Electrical connection: pluggable spring-clamp terminal block, max. 2.5 mm².
• Mounting flange A-22D-A35 included.

Configuration using the Belimo Duct Sensor Assistant App requires the A-22G-A05 Bluetooth dongle. The app and dongle are not required for standard sensor operation and configuration.