24GHz Lifesnor Detecting AC Microwave Sensor Mounting Height 2.5 - 4.0m MSA202S RC

Brand Name:Merrytek
Certification:CE, UKCA
Model Number:MSA202S RC
Minimum Order Quantity:100PCS
Delivery Time:1, Sample and small order: Within 5 working days after receiving your payment. 2, Bulk order: 3-4 weeks after receiving deposit.
Payment Terms:T/T
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Location: Shenzhen Guangdong China
Address: 101-1101, Building 17, Dianda Guyuan Industrial Park, Mashantou Community, Matan Street, Guangming District, Shenzhen
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Product Details

24GHz Lifesnor Detecting AC Microwave Sensor Mounting Height 2.5 - 4.0m MSA202S RC


For more details, pls refer to the file as follows:

MSA202S RC V1.2.pdf


1. Parameters

Working voltage220-240Vac 50Hz
Power consumption≤1W
Working modeOn/off
Load capacity400W (LED,Flourescent,ballast) ; 800W (Incandescent,exhaust fan )
Max. Surge Capacity50A (50% Ipeak, twidth =500uS, 220Vac full load, cold start)
MW sensor frequency24GHz-24.25GHz ISM band
Transmitting power3dBm Max
Detection angle100°
Detection range (radius)Normal motion: 3-4m ; Minor motion: 3-4m ; Breath signal: 2.5-3m
Detection sensitivity25% 50% 75% 100% (by remote MH10 or dip switches)
Hold time

5s/30S /1min / 3min /5min /10min /20min (by remote MH10 )

5s/30s/1min/3min/5min(by dip switches)

Daylight sensor

50Lux/Disable(by dip switches)

5Lux/15Lux/30Lux/50Lux/100Lux/150Lux/Disable (by remote MH10)

Mounting height2.5-4.0m (typical)
InstallationRecessed. Cut hole Φ55mm; 2) surface mount by bracket
WiringPress-in Type Terminals, wire diameter: 0.75mm2-1.5mm2
Operating Temp.0℃...+50℃
Storage Temperature-25℃...+80℃
Net weight49±3g
PackingColor box
Life time5 years warranty@Ta 230V full load

2. Product Function


Walk Mode: a large movement (walking) of the human body.

Leisure Mode: only small motions of the human body, such as forward, backward, limb swing, head shaking, typing, playing with mobile phones, and other minor actions.

Presence Mode: only detects human breathing within the 30S (abdominal cavity, thoracic cavity expansion behavior actions), no significant movement is detected.


3. Dimension


4. Wiring Diagram

5. Structure

6. Start Process & Initialization

When powered on, the light will turn on for 20 seconds, The Sensor does not detect moving signals and remote control settings are invalid during initialization.


7. Factory settings

Detection Area: QS1 mode 100% Hold Time: 1min Daylight Sensor: Disable Indicator light: open


8. Installation Instruction


9. Application Notice


1) The sensor should be installed by a professional electrician. Please disconnect the power before installing, wiring, or changing the setting of the dial switch.

2) Put the sensor as far as possible from large areas of metal plate, glass, and other materials with high medium density to avoid triggering by mistake.

3) Avoid using objects that have been vibrating for a long time around the sensor, such as shaking fans, etc. The vibration signal will be regarded as the motion signal to trigger the sensor.

4) Avoid the detection window of the daylight sensor of the detector irradiated by an invalid light source, which will interfere with the measurement of ambient light.

5) The product should not be too close to the wireless router at least more than 0.5m apart, when it is installed and used.

6) Setting detecting area and indicator on-off by MH10.(Pressing HS in MH10 makes indicator on and pressing LS in MH10 makes indicator off.)

7) The microwave can penetrate the wall of the building. It may cause misreport when a microwave penetrates the wall to detect moving objects outside the fortified area. To avoid triggering by mistake, choose a suitable place when installing, keep away from glass, plasterboard, wooden walls, and other things that the microwave can easily penetrate, and choose appropriate sensing parameters according to space, for example:

A. When the product is used in a room whose length and width is about 2m or less, the detecting area should be set to 25% (application scenario: washroom, sitting room )

B. When the product is used in a room whose length and width is about 3m, the detecting area should be set to 50% (application scenario: washroom, hallway, sitting room )

C. When the product is used in a room whose length and width is about 4m, the detecting area should be set to 75% (application scenario: small office, meeting room, library )

D. When the product is used in a room whose length and width are about 5m or more, the detecting area should be set to 100% (application scenario: large office, meeting room, library )

Note: The setting detecting area depends on the actual environment (detecting area parameters above the application scenario are for reference only).

8) Hold time setting: space of one person: 1-3 minutes, space of more than one person: 30 seconds to 1 minute. It is not recommended to set a hold time of more than 5 minutes, to avoid the small motion signal in the space from interfering with the hold-time closing.


10. DIPs settings

11. Remote Control

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24GHz Lifesnor Detecting AC Microwave Sensor Mounting Height 2.5 - 4.0m MSA202S RC

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