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| Categories | Special Sensor |
|---|---|
| Model Number: | CAR/U 4.2.1.1-71 |
| Packaging Details: | Original Case |
| Responsetime: | 200 ms |
| Delivery Time: | 7 Days |
| Application: | automation |
| Part Name: | Pressure Sensor |
| Wiring Device Mounting: | Surface |
| Payment Terms: | T/T,Western Union |
| Installation Site: | False ceiling mounting, indoor F |
| Usage: | Weather, Air Quality |
| Certification: | CE |
| MOQ: | 1 |
| Brand Name: | ABB |
| Storagetemperature: | -40°C to 85°C |
| Company Info. |
| Maituo Intelligent Technology Co.，Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
The ABB CAR/U4.2.1.1-71 is a high-precision multi-functional room air quality sensor from the SpaceLogic range, purpose-built for integration into professional KNX building automation systems. Housed in an elegant Anthracite Grey finish, this Plus Version Multi-sensor is the ultimate tool for monitoring and maintaining a healthy and comfortable indoor environment in modern commercial and high-end residential buildings.
By consolidating multiple environmental parameters into a single, compact wall-mounted unit, the CAR/U4.2.1.1-71 reduces wall clutter while providing the granular data required by advanced Building Management Systems (BMS) to execute energy-efficient ventilation and climate control strategies. Engineered for longevity and reliability, it utilizes state-of-the-art sensing elements that are factory-calibrated for long-term stability.
| Product Model | CAR/U4.2.1.1-71 |
|---|---|
| Color Finish | Anthracite Grey |
| Communication Protocol | KNX TP1 (S-Mode / PL-Link) |
| Measured Parameters | Carbon Dioxide (CO2), Relative Humidity (RH), Temperature, Atmospheric Pressure |
| CO2 Sensor Technology | Non-dispersive Infrared (NDIR) with dual-beam technology for drift compensation |
| CO2 Measurement Range | 0 to 5,000 ppm |
| Humidity Sensor Type | Thin-film capacitive with +/- 2% RH accuracy |
| Temperature Accuracy | +/- 0.2°C typical at 25°C |
| Atmospheric Pressure Range | 300 to 1,100 hPa |
| Operating Voltage | Bus-powered via KNX line (DC 24-30 V SELV) |
| Bus Load | approx. 10 mA |
| External Inputs | 5 binary inputs for connecting conventional floating contacts (switches/window contacts) |
| Operating Temperature | -5°C to +45°C (standard indoor operational range) |
| IP Rating | IP20 (Indoor mounting) |
| Flame Retardance | UL 94 V-0 compliant halogen-free housing |
| Certifications | CE Marked, RoHS, REACH, KNX Certified, Green Premium Environmental Data |
The CAR/U4.2.1.1-71 is specifically deployed in environments where indoor air quality (IAQ) is operationally critical. In large open-plan office spaces and executive boardrooms, the integrated CO2 and humidity sensing enables demand-controlled ventilation (DCV).
Its sophisticated Anthracite Grey finish ensures that technical performance is matched by aesthetic excellence in modern architectural designs.
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