Belimo 22DTC-11 - duct CO₂ and temperature sensor

Belimo 22DTC-11 – duct CO₂ and temperature sensor

Active sensor for measuring CO₂ and air temperature in a duct. CO₂ measurement uses dual-channel NDIR technology. The sensor is supplied with factory settings.

Key features

• Nominal supply: AC/DC 24 V; voltage range: AC 19...29 V / DC 15...35 V.
• Two voltage outputs: 2 x 0...5 V, 0...10 V; min. resistance 10 kΩ. Output signal 0...5/10 V adjustable via jumper.
• CO₂ measuring range: factory setting 0...2000 ppm; with A-22G-A05: 0...5000 ppm.
• Temperature measuring range: 0...50°C [32...122°F].
• CO₂ measurement accuracy: ±(50 ppm + 3% of measured value); temperature measurement accuracy: ±0.3°C @ 25°C [±0.5°F @ 77°F].
• Probe length: 180 mm; probe diameter: 19.5 mm.
• Enclosure protection rating: IP65 / NEMA 4X.
• Electrical connection: detachable spring terminal block, max. 2.5 mm².

An A-22D-A35 mounting flange is included. Configuration using the Belimo Duct Sensor Assistant App requires the A-22G-A05 Bluetooth module, available as a tool.