
Motion Sensor MSA001S 1 Version: A0
Shenzhen Merrytek Technology Co.,Ltd
Add: No.17th Building, Dianda Guyuan Industrial Park, Mashantou, Matian, Guangming District, Shenzhen, China, 518106
Tel: +86 (0)755-2305 7253 Fax: +86 (0)755-2786 3012 Website: www.merrytek.com
All technical information is subject to the physical performance, Merrick reserves the right to final interpretation
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11. Factory Settings
Detection Area: 100% Hold Time: 5s Daylight Sensor: Disable
12. 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 DIP switch.
2) Sensor’s microwave can penetrate wall of building. It may cause misreport when microwave
penetrates wall to detect the moving objects outside fortified area. To avoid triggering by mistake,
choose suitable place when installing, keep away from glass, plasterboard, wooden wall and other
things that microwave can easily penetrate and choose appropriate sensing parameters according to
space, for examples:
A. When product is used in the room whose length and width is about 2m or less, detecting area should
be set to 25% (application scenario: washroom, sitting room )
B. When product is used in the room whose length and width is about 3m, detecting area should be set
to 50% (application scenario: washroom, hallway, sitting room )
C. When product is used in the room whose length and width is about 4m, detecting area should be set
to 75% (application scenario: small office, meeting room, library )
D. When product is used in the room whose length and width is about 5m or more, 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
application scenario are for reference only).