Belimo 22RTM-18-1 - room CO₂, humidity and temperature sensor

Belimo 22RTM-18-1 room sensor

The device is designed to measure room temperature, humidity and CO₂, and to control room temperature and/or ventilation. It communicates via MP-Bus and provides three analogue outputs.

Key features

• Measured values: CO₂, relative humidity, dew point and temperature.
• Supply: AC/DC 24 V.
• Communication: MP-Bus; number of nodes: MP-Bus max. 8 (16).
• 3 analogue outputs: 0…10 V (factory setting), 0…5 V, 2…10 V or 4…20 mA; selection using Belimo Assistant 2.
• Factory output assignment: AO1 – temperature, AO2 – humidity, AO3 – CO₂.
• Factory CO₂ measuring range: 0...2000 ppm; NDIR, dual-channel measuring technology.
• Temperature measuring range: 0...50°C [32...122°F]; factory humidity measuring range: 0...100% RH.
• NFC and the Belimo Display App for reading values and adjusting setpoints; commissioning and configuration using Belimo Assistant 2.
• The LED indicator for CO₂ level signalling can be configured and deactivated using Belimo Assistant 2.
• Electrical connection: spring terminals 0.2...2.5 mm²; ingress protection rating IEC/EN IP30.
• Housing: PC, white, RAL 9003.