Description
Introducing the Belimo 22RTM-19-1 Room Sensor, designed to precisely measure indoor temperature, humidity, and CO₂ levels. These sensors are perfect for integrating third-party controllers and feature MP-Bus communication and a 0...10 V output. Easily parametrised via NFC using the Belimo Assistant App, these sensors are a reliable addition to any HVAC system.
Click here for the technical data PDF
Electrical Data (See image of tech. sheet)
- Nominal Voltage: AC/DC 24 V
- Nominal Voltage Range: AC 19.2...28.8 V / DC 19.2...28.8 V
- Power Consumption (AC): 1 VA
- Power Consumption (DC): 0.5 W
- Electrical Connection: Spring loaded terminal 0.25...1.5 mm², 23-15 AWG, copper conductors only
- Cable Type (USA and Canada): CL2 or higher
- Cable Entry: Back, Top, Bottom
Functional Data (See image of tech. sheet)
- Application: Air
- Voltage Output:
- 22RT-19-1: 1 x 0...5 V, 0...10 V, 2...10 V, min. resistance 5 kΩ
- 22RTH-19-1: 2 x 0...5 V, 0...10 V, 2...10 V, min. resistance 5 kΩ
- 22RTM-19-1: 3 x 0...5 V, 0...10 V, 2...10 V, min. resistance 5 kΩ
- Output Signal Active Note: Output 0...5 V, 0...10 V (factory setting), 2...10 V selectable via NFC
- Display: LED, used for CO₂ Traffic Light Function (TLF). Parametrisable and deactivatable via Belimo Assistant App.
Measuring Data
- Measured Values:
- CO₂
- Relative Humidity
- Dew Point
- Temperature
Specification CO₂
- Sensing Element Technology: Non-dispersive infrared (NDIR) dual channel
- Measuring Range: Default setting: 0...2000 ppm
- Accuracy: ±(50 ppm + 2% of measured value)
- Long-Term Stability: ±20 ppm p.a.
Specification Temperature - (See image of tech. sheet)
- Measuring Range: 0...50°C [32...122°F] (default setting)
- Accuracy Temperature Active: ±0.3°C @ 25°C [±0.5°F @ 77°F]
- Long Term Stability: ±0.03°C p.a. @ 25°C [±0.05°F p.a. @ 77°F]
Specification Humidity - (See image of tech. sheet)
- Measuring Range: 0...100% RH (default setting)
- Measuring Range Dew Point: -50...50°C [-60...120°F] (default setting)
- Accuracy: ±2% between 0...90% RH @ 25°C
- Long Term Stability: ±0.25% RH p.a. @ 25°C @ 50% RH
Safety Data
- Protection Class (IEC/EN): III, Safety Extra-Low Voltage (SELV)
- Power Source (UL): Class 2 Supply
- Degree of Protection (IEC/EN): IP30
- EU Conformity: CE Marking
- Quality Standard: ISO 9001
- UL Approval: cULus according to UL60730-1, CAN/CSA E60730-1
- Type of Action: Type 1
- Rated Impulse Voltage Supply: 0.5 kV
- Pollution Degree: 2
- Ambient Humidity Max: 95% RH, non-condensing
- Ambient Temperature: 0...50°C [32...122°F]
- Storage Temperature: -40...70°C [-40...160°F]
Materials
- Housing: PC, white, RAL 9003
- UL94V-0
Parts Included
- Screws
Accessories
- Tools Description:
- Belimo Assistant App: Smartphone app for easy commissioning, parametrising, and maintenance
- Converter Bluetooth / NFC: ZIP-BT-NFC
Notes
- General Remarks: The sensor's accuracy can be influenced by the thermal characteristics of the wall on which it is mounted. It is designed for stationary heating, ventilation, and air-conditioning systems.
- Application Notice for Humidity Sensors: The humidity sensor is highly sensitive and should not be exposed to aggressive substances like chlorine or ammonia, which can affect accuracy.
Why You Should Buy
Choosing Belimo's 22RM-19-1 adherence to strict safety standards makes them ideal for commercial applications, including hospitals and office buildings.
Enhance your indoor air quality monitoring with Belimo and ensure a comfortable, safe environment for everyone.
For more information and to explore our range of Belimo products, visit ecospares.co.uk/collections/belimo. If you need any assistance, please call us on 01772 284 626.
