Milesight EM500-LGT Light Sensor
Authorised Milesight UK Distributor£157.12 ex VAT (£188.54 inc. VAT)
The Milesight EM500-LGT-868M is a LoRaWAN light sensor for outdoor and harsh-environment use. Its measuring range is 0 to 100,000 lux with ±3% accuracy and 1 lux resolution. The IP65 light head sits on a 3 m cable from the IP67 transceiver, which runs for 10 years at a 10-minute reporting interval on one 19,000 mAh replaceable battery.
Measuring Range0 - 100000 lux
In stock · typically dispatched within 14 working days from the UK
Kits that use this part: Greenhouse monitoring kit · Archive and collections monitoring kit
● Quotes answered within one working day · UK support
Delivery & assurance
- Ships from the UK
- £14.25 flat UK delivery
- Secure checkout — card, Klarna, invoice
- Manufacturer's warranty
Questions about this product? Call our UK team: 023 9223 3611
Description
EM500-LGT is designed for measuring light in harsh environments
and transmitting data using LoRaWAN® technology. With this low
power consumption technology, EM500-LGT can work up to 10
years with 19000 mAh battery. Combining with Milesight
LoRaWAN® gateway and Milesight IoT Cloud solution, users can
manage all sensor data remotely and visually. EM500-LGT is widely used for outdoor applications like smart
agriculture, urban lighting,
Measuring Range: 0 ~ 100000 lux
• Features
• Wide measuring range and high precision
• Ultra-wide-distance transmission up to line of sight of 10km
• IP67 waterproof enclosure for harsh environment applications
• Built-in 19000 mAh replaceable battery and work for 10 years
without replacement
• Equipped with NFC for easy configuration
• Compliant with standard LoRaWAN
® gateways and network
servers
• Quick and easy management with Milesight IoT Cloud solution
• Applications
• Smart buildings
• Urban lighting
• Greenhouse control
• Smart agriculture
• Weather
Additional information
| Weight | 0.333 kg |
|---|
EM500-LGT-868M specifications
| Measuring Range | 0 - 100000 lux |
|---|---|
| Accuracy | ±3% |
| Resolution | 1 lux |
| Technology | LoRaWAN® |
| Frequency | CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923 |
| Tx Power | 16 dBm (868)/20 dBm (915)/19 dBm (470) |
| Sensitivity | -137 dBm @300bps |
| Mode | OTAA/ABP Class A |
| Antenna | Internal antenna |
| Cable Length | 3 m |
| Power Supply | 1 × 19000 mAh ER34615 Li-SOCl2 battery (replaceable) |
| Battery Life | 10 years (10 min interval, 25°C) |
| Operating Temperature | Transceiver: -30°C~70°C; light sensor: -30°C~60°C |
| Relative Humidity | 0% to 100% (non-condensing) |
| Ingress Protection | Transceiver: IP67; light sensor: IP65 |
| Housing & Colour | Transceiver: ABS + PC, grey; light sensor: aluminium alloy, white |
| Weight | Transceiver 333 g (with battery and bracket); light sensor 280 g (with cable) |
| Dimensions | Transceiver 105.4 × 71 × 69.5 mm; light sensor 64 × 58 × 34 mm |
| Installation | Pole, wall or DIN rail mounting |
| Configuration | Mobile app via NFC, PC software via USB Type-C, downlink |
| Advanced Features | Data storage (1,000 entries), data retransmission, data retrievability, threshold alarm |
| Approvals | CE, FCC, Telec, ICASA; RoHS |
Specifications taken from the manufacturer datasheet.
Which version do I need?
The -868M part number is the 868 MHz build. The datasheet lists EU868 among the supported frequency plans and quotes 16 dBm Tx power at 868 MHz. UK LoRaWAN uses EU868, so -868M is the correct UK variant.
Typical applications for the EM500-LGT-868M
- Urban and street lighting control
- Greenhouse light-level control
- Smart agriculture light monitoring
- Smart building daylight monitoring
- Weather and outdoor environmental monitoring
Buying guides for this product
Frequency band
Supplied on EU868, the LoRaWAN band used in the UK and across Europe. That is the default and you do not need to ask for it — the -868M in the part number is the EU868 build.
The same EM500-LGT-868M unit also covers IN865 and RU864. Those bands share the 863–870 MHz radio with EU868, so one device can be set to any of them in its own configuration — no different part number needed.
CN470, US915, AU915, KR920 and AS923 are a different radio and therefore a different build. Milesight makes them and we can order them: tell us where the devices are being deployed and we will confirm the part number, price and lead time.
Not sure which band applies where? The Things Network publishes the LoRaWAN frequency plan for every country.
Complete the stack
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EM500-LGT-868M — frequently asked questions
What is the maximum light level it can measure?
100,000 lux. The range is 0 to 100,000 lux, with ±3% accuracy and 1 lux resolution, which covers full outdoor daylight.
Is the light head separate from the radio?
Yes. The aluminium light sensor head connects to the transceiver by a 3 m cable. The head is IP65 and the transceiver is IP67.
How long does the battery last and can it be replaced?
One 19,000 mAh ER34615 Li-SOCl2 replaceable battery, rated for 10 years at a 10-minute reporting interval at 25°C.
Does it need a gateway?
Yes. It is a LoRaWAN Class A (OTAA/ABP) device compliant with standard LoRaWAN gateways and network servers, including Milesight gateways and IoT Cloud.
What temperature can the sensor head take?
The light sensor head is rated -30°C to 60°C and the transceiver -30°C to 70°C, at 0-100% non-condensing humidity.
How much does the Milesight EM500-LGT Light Sensor cost in the UK?
The Milesight EM500-LGT Light Sensor is £157.12 ex VAT from Indiott, a UK distributor. The price is published rather than quote-only, and we invoice with VAT (PSI Technologies Ltd, VAT GB 730 2340 83). UK delivery is a flat £14.25 per order ex VAT, whatever the weight.
What is the lead time and delivery cost for the Milesight EM500-LGT Light Sensor?
The Milesight EM500-LGT Light Sensor is in stock and typically dispatched within 14 working days from the UK. UK delivery is a flat £14.25 per order ex VAT, whatever the weight or how many items you order. We ship to GB and the EU and provide a VAT invoice with every order.
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