EM500-LGT – LoRaWAN Light Sensor for Outdoor Applications – Milesight
General Description
The Milesight EM500-LGT is a light sensor designed for demanding outdoor environments. It accurately measures light intensity up to 100,000 lux and transmits data via the LoRaWAN® protocol, enabling reliable, low-power remote monitoring. Its built-in 19,000 mAh battery provides up to 10 years of battery life. The EM500-LGT is ideal for applications such as smart agriculture, urban lighting, or greenhouse control, and integrates easily with the Milesight IoT Cloud solution.
Targeted Applications
- Connected agriculture
- Smart public lighting
- Greenhouse control
- Smart buildings
- Environmental monitoring
- Management via Milesight IoT Cloud platform
Highlights
- Wide light range measurement (0–100,000 lux) with high accuracy
- Long-range LoRaWAN transmission up to 10 km line-of-sight
- Protection rating IP67 (transmitter) / IP65 (sensor)
- Replaceable 19000 mAh battery with 10 years of battery life
- Simple setup via NFC or USB Type-C port
- Compatible with all standard LoRaWAN gateways
- Easily integrated with Milesight IoT Cloud
Technical Specifications
| Transmission |
| Technology |
LoRaWAN® |
| Supported frequencies |
CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923 |
| Transmit power |
16 dBm (868 MHz), 20 dBm (915 MHz), 19 dBm (470 MHz) |
| Sensitivity |
-137 dBm @300bps |
| Fashion |
OTAA / ABP – Class A |
| Light Sensor |
| Measuring range |
0 to 100,000 lux |
| Precision |
±3% |
| Resolution |
1 lux |
| Interfaces and Connectors |
| Switching on/off |
NFC, internal button |
| Configuration |
Mobile app (NFC) or PC software via USB Type-C |
| Cable length |
3 m |
| Physical Characteristics |
| Food |
Li-SOCL2 battery 19000 mAh (ER34615) |
| Autonomy |
Up to 10 years (10 minute interval) |
| Operating temperature |
-30°C to +60°C |
| Relative humidity |
0% to 100% (non-condensing) |
| Protection index |
IP67 (transmitter) / IP65 (sensor) |
| Dimensions |
Transmitter: 105.4 × 71 × 69.5 mm Sensor: 64 × 58 × 34 mm |
| Facility |
Wall, pole or DIN rail mounting |
Interfaces and Connectors
The EM500-LGT is easily configured via NFC or USB Type-C. It comes with a 3-meter cable connecting the sensor to the transmitter module for flexible installation in outdoor environments.
Pack Contents
- 1 × Milesight EM500-LGT Light Sensor
- 1 × Built-in battery
- 1 × 3 meter sensor cable
- 1 × Wall/Pole/DIN Rail Mounting Kit
- 1 × Quick Installation Guide