Low-mounting PIR motion sensor (RS485 version)
MSA070D IR 485 is a super mini PIR motion sensor with daylight detection function. Combined with the unique software algorithm of Merrytek, it can accurately detect human movements in almost all indoor spaces to trigger smart scene application in smart home, smart hotel, and smart office.
| Input/Output | Input voltage | 12-24V DC |
| Rated voltage | 12/24V DC | |
| Working current | 20mA max | |
| Power consumption | ≤0.5W @12/24V DC | |
| Output signal | RS485 | |
| Sensor parameter | Function | PIR motion detection+ daylight sensor |
| Detection Area | MH18 remote/RS485 protocol setting: 100%/75%/50%/25% | |
| Hold Time | MH18 remote/RS485 protocol setting: 2s/30s/1min/3min/5min/10min/30min | |
| Daylight Sensor Threshold | MH18 remote/RS485 protocol setting: 5lux/15lux/30lux/50lux/100lux/150lux/Disable | |
| Radius detection range(based on 100% sensitivity) | Tangential moving based on 3m high installation: 4-5m @25℃(radial moving detection range will shorten) | |
| Remote control | Available | |
| Mounting height | 2.5-4m typical value:3m | |
| Application environment | Drill hole | Φ35mm |
| Working temperature | -25℃…+50℃(detection range might differ based on different temperature ) | |
| Storage temperature | -40℃~+80℃ | |
| Warranty | 3 years(available due to product quality problem under indoor application) | |
| Wire standard | Wire diameter: 0.2-2.5mm,Stripping length: 7-8mm | |
| Certificate Standard | Certificate | Compliant to CE |
| Environmental requirements | Compliant to RoHS | |
| IP rating | IP20 | |
| “N/A” means not available | ||
Dimension
Initialization
When power on,our sensor will enter self-checking mode and will not respond to any motion movement for 10s,after that,you can set sensor parameter such as detection range,hold time etc can be set by remote or RS485 protocol.
Factory setting

Wiring layout suggestion:
N/A
