Merrytek MSA221 B
24Ghz microwave occupancy and daylight sensor.
Detection range of 7m diameter when installed at 3m ceiling height
Type: Merrytek Sensor
Key Features
Exclusive Merrytek Lifebeing Presence Detection
Presence detection diameter: 5-7m Max
Minor Motion detection diameter: 6-8m Max
Motion detection diameter: 6-8m Max
Low RF power output. No harm to human health
Benefits
Flush Mounting Option – Designed for a sleek, modern installation
Reliable in Any Environment – Works unaffected by temperature, humidity, noise, airflow, dust, or light.
Safe & Non-Intrusive – Uses low RF power output, ensuring no harm to human health
Technical Details
Input/Output
Input voltage 100-240Vac 50Hz/60Hz
Rated voltage 220V AC
Working Current 50mA max
Working Power ≤1W 220V AC
Sensor Parameter
Radar frequency 24GHz-24.25GHz ISM band
Transmitting Power 5mW Max.
Detection Area APP adjust：10%-100%
Hold Time 1min + APP hold time
Daylight 0-1200Lux
Detecting Range
(100% detection area,
radius)
Presence/Minor motion/Motion（3m installation）:2.5-4m
Remote control Available
Mounting Height 2.5-4.0m typical value:3m
3db Beam Angle
100° (XZ field)
100° (YZ field)