Merrytek MSA211 B 24GHz Casambi Presence & Daylight Sensor
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Merrytek MSA211 B 24GHz Casambi Presence & Daylight Sensor
The Merrytek MSA211 B is a recessed-mount 24GHz millimetre-wave presence sensor designed for Casambi lighting-control systems. It combines human-presence detection with daylight sensing and can detect major movement, minor movement and micro-movement for intelligent occupancy-based lighting control in offices, hotels, residences and other indoor spaces.
Its sensing parameters can be adjusted through the Casambi App, including detection distance, sensitivity and hold time. The sensor uses Merrytek's 24GHz radar technology together with its presence-detection algorithm to provide reliable front-end occupancy information to the Casambi BLE ecosystem.
Key Features
- 24GHz millimetre-wave radar presence sensing
- Casambi BLE integration and app-based configuration
- Integrated daylight sensor
- Detects major movement, minor movement and micro-movement
- Adjustable detection area from 0.5-4m through the Casambi App
- High, medium and low sensitivity settings
- Recessed / flush ceiling mounting
- Typical mounting height: 3m
- IP20 for indoor applications
- 5-year manufacturer warranty for product-quality issues under indoor use
Technical Specifications
| Brand | Merrytek |
| Model | MSA211 B |
| Product Type | 24GHz Presence & Daylight Sensor – Casambi Version |
| Input Voltage | 220-240VAC, 50/60Hz |
| Working Current | 50mA max. |
| Power Consumption | ≤1W |
| Detection Technology | 24GHz millimetre-wave radar + daylight sensor |
| Radar Frequency | 24.125GHz ±125MHz, ISM band |
| Transmitting Power | 5mW max. |
| Control / Network | Casambi BLE |
| Detection Area | Casambi App adjustable: 0.5-4m |
| Sensitivity | High / Medium / Low |
| Hold Time | 10s / 30s / 1min / 3min + Casambi delay time |
| Daylight Sensor Range | 0-1200 lux |
| Detection Range | Major / Minor / Micro Motion: approx. 0.5-4m radius at 3m mounting height on medium sensitivity |
| Mounting Height | 2.5-4m; typical 3m |
| Ceiling Cut-out | Ø75mm |
| Product Size | Approx. Ø90 × 80mm |
| Mounting | Recessed / Flush Mounting |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -40°C to +80°C |
| IP Rating | IP20 |
| Warranty | 5 Years |
Price: Price on Request
Merrytek MSA211 B 24GHz Casambi Presence & Daylight SensorPrice on Request
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Merrytek MSA211 B 24GHz Casambi Presence & Daylight SensorPrice on Request