
Light Sensor
EM500-LGT
- Illuminance Measurement
- LoRaWAN® Wireless
- Easy Configuration via NFC
- 10 Years Battery Life




Light Sensor
EM500-LGT
EM500-LGT is designed for ambient light intensity detection in harsh environments. It is useful in many applications, such as brightness control, security, horticulture, floriculture and so on.
Measuring ranges from 0 to 100,000 lux
Fast Response 1 second
10-year battery life with low maintenance cost
Accurately detect any light changes
Lighting the Way to Crop Health
Today, farming is barely sustainable without implementing modern farm technologies. When it comes to growing crops, it’s a balancing act. You need just the right amount of sun, water, and soil composition to keep plants happy and blooming.

Cloud Web & APP:
Light Sensor works perfectly with Milesight IoT Cloud (Web & App), which allows you to monitor your data in the office or on the go. With a drag-and-drop experience, Milesight IoT Cloud provides rich features such as intuitive widgets, triggers, sharing and transfer ownership of devices, layers, etc.
LoRaWAN Wireless Transmission
Ultra-low power consumption and easy deploymentBuilt-in 19000 mAh high-capacity battery can be used for 10 years.

Simple and Easy to Use
Configure Your Device via NFC
Specifications | Documents
LoRaWAN® | Frequency | CN470/RU864/IN865/EU868/US915/AU915/KR920/AS923 |
Tx Power | 20dBm | |
Sensitivity | -137dBm @300bps | |
Mode | OTAA/ABP Class A | |
Measurement | Range | 0 ~ 100000 lux |
Accuracy | ±3% | |
Resolution | 1 lux | |
Physical Characteristics | Power Supply | 19000 mAh Li-SOCL2 |
Operating Temperature | -30°C to +60°C | |
Ingress Protection | Transceiver: IP66 (IP67 as required) Light Sensor: IP65 | |
Dimension | 156.1 × 71 × 69.5 mm | |
Mounting | DIN rail, wall, pole |