Shenzhen Merrytek Technology Co., Ltd.
Shenzhen Merrytek Technology Co., Ltd Intelligent Lighting Control
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Merrytek 4th generation 12-24Vdc input Occupancy detector with one potential-free dry contact
1. Parameters
| Input/Output | Input voltage | 12-24V DC |
| Rated voltage | 24V DC | |
| Working Current | @12Vdc:80±3mA @24Vdc:42±3mA | |
| Working Power | ≤1.2W @24V DC | |
| Output signal | NO/NC/Pulse dry contact (Factory setting is NO dry contact) | |
| Load type | Resistive (load voltage :Vdc≤36V,load current:100mA max) | |
| Sensor Parameter | Radar frequency | 24GHz -24.25GHz,ISM band |
| Transmitting Power | 5mW Max. | |
| Detection Area | 0-4m(setting by merrytek mini program) | |
| Hold Time | 3-7200s (setting by Merrytek mini program). Remark: For better presence detection, the hold time shall be set to>30S | |
| Daylight threshold | 5-2000Lux(setting by merrytek mini program,when value set as 2000lux,daylight sensor is disabled) | |
| Daylight sensor range | 0-2000Lux | |
| Radius detection range (based on 4m gear and medium sensitivity) | major/minor/micro movement(3m height installation): 4±0.5m(based on 41㎡ open area test and might change due to different space) | |
| Sensitivity | high/medium/low | |
| Remote control | Available(MH18) | |
| Merrytek mini program | Available | |
| Mounting height | 2.5-4.0m typical value: 3m | |
| Detecting Angle | 120° | |
| Application Environment | Drill hole | Φ50-55mm |
| Working Temperature | 0℃...+50℃ | |
| Storage Temperature | -25℃~+80℃ Humidity:≤85% (non-condensation) | |
| Certificate Standard | Certificate | FCC/RED |
| Environmental Equirement | Compliant with RoHS | |
| IP Rating | IP20 | |
| Guarantee | 5 year(only for product quality problem) | |
| Note: "N/A" means not available | ||
2. Product Function
3. Dimension
4. Wiring
Wiring layout suggestion:
1. Hand-in-hand wiring is highly recommended, yet star-topology or tree-topology is strongly deprecated
2. When there’s more than 1pc sensor in a line, you shall consider that all equipment current consumption shall not surpass your driver’s loading capacity.
5. Detection
6. Initialization
When powered on, the sensor indicator will turn off after flashing for 10 seconds and will enter a 20S detection cycle. If presence is detected, the sensor will report presence and enter hold time calculation; if absence is detected,then the sensor will report absence. During initialization, the sensor will not detect a moving signal, and you can use our MH18 remote to adjust detection area,hold time, daylight sensor, etc, parameters.
7. Installation Instructions
Embedded mounting installation
8. Factory Default Setting
Detection Area: 4m Hold Time: 30S Indicator Light: open Sensitivity: medium sensitivity
9. Remote Control MH18