As we enter the era of all-scenario intelligence, automated control applications based on human presence sensing are rapidly gaining traction across office, residential, and commercial environments. To address the diverse and specialized requirements of professional installation projects, Merrytek has upgraded and refined the engineering installation sensor product line, delivering precisely tailored smart sensing and control solutions for a wide array of scenarios.
Merrytek first launched the SM (Super Mini) Series and the SP (Super Planar) Series. With ultra-compact size, quick installation, and precise detection, these new products empower a diverse scenarios across smart buildings, smart homes, and smart offices etc.



| SM-R Series (mmw radar version) | SM-P Series (PIR Infrared version) | |
|
Classic Model |
MSA070D 99 |
MSA070D IR |
|
Sensing Method |
24GHz mmw presence detection + daylight sensor |
PIR Infrared motion detection + daylight sensor |
|
Output Signal |
Dry Contact / RS485 / DALI 2.0 / KNX |
|
|
Lens |
/ |
MFL01 Lens (Supports larger detection range) |
|
Mounting Height |
2.5 – 4 m (Typical: 3 m) |
2.5 – 4 m (Typical: 3 m) |
|
Detection Range |
Max radius (motion/micro-motion/presence): 3.5 – 4.5 m |
Max radius (motion): 6 – 7 m |
|
Installation |
Ceiling recessed |
|
|
Wiring |
Pluggable terminal wiring |
|
|
Cutout Size |
Φ35mm |
|
|
Parameter Configuration |
MH18 remote control |
|
|
Operating Temperature |
-25~50℃ |
|
| Application | Kitchens / Bathrooms / Dining areas |
Corridors / Lobbies / Warehouses |



| SP-R Series (mmw radar version) | SP-P Series (PIR Infrared version) | |
|
Classic Series |
MSA246 Series |
MSA246 IR Series |
|
Sensing Method |
24GHz mmw presence detection + daylight sensor | PIR Infrared motion detection + daylight sensor |
| Output Signal | Heavy Current / 0-10V / DALI 2.0 / Casambi |
Heavy Current / Dry Contact / DALI 2.0 / Casambi |
|
Lens |
/ | MFL08 Lens
(Supports higher mounting height) |
| Mounting Height | 2.5 – 4 m (Typical: 3 m) |
2.5 – 6 m (Typical: 3 m) |
|
Detection Range |
Max radius (motion/micro-motion/presence):
3.5 – 4.5 m |
Max radius (motion): 4 – 5m |
|
Installation |
Ceiling recessed/surface mounting (optional housing) | |
| Wiring |
Three-step quick wiring |
|
|
Cutout Size |
Φ65mm | |
| Parameter Configuration |
Potentiometer/Remote control (MH18) |
|
|
Operating Temperature |
-25~50℃ |
|
| Application |
Offices / Conference rooms / Open office areas |
|
Leveraging superior product quality and innovative core technologies, Merrytek provides professional smart sensing solutions for a wide range of engineering projects, facilitating the intelligent upgrade of various spaces.
This year, Merrytek will continue to launch a brand-new series of sensors designed for engineering installations, featuring remarkable breakthroughs in sensing performance. Stay tuned to Merrytek for the latest product updates.
