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EM300 Series Temperature & Humidity Sensor


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EM300 Series Temp & Humidity Sensor

EM300 Series Temperature & Humidity Sensor

the EM300-TH Temperature & Humidity Sensor by Milesight is an advanced IoT solution designed to provide reliable monitoring of environmental conditions in real-time. Engineered with precision, this sensor ensures accurate detection of temperature and humidity levels, offering unparallelled insights into your surroundings. With its IP67 rating and UV resistance, the EM300-TH is built to withstand harsh environments, ensuring consistent performance even in challenging conditions.

Equipped with advanced features, including support for retransmission for reliable communication, this sensor guarantees seamless data transmission, eliminating the risk of data loss or interruption. Its impressive battery life of up to 10 years ensures long-term operational efficiency, minimising the need for frequent maintenance or battery replacements. Whether deployed indoors or outdoors, the EM300-TH delivers superior accuracy in temperature and humidity monitoring, empowering users with actionable data to make informed decisions.

With a vast storage capacity capable of holding up to 2,800 sets of historical data records, the EM300-TH offers comprehensive insights into environmental trends over time. Whether you're monitoring industrial facilities, agricultural settings, or commercial spaces, this sensor provides invaluable data to optimise operations and enhance productivity.


Enhanced Industry-Proven Temperature & Humidity Sensor
The EM300-TH offers reliable indoor and outdoor temperature and humidity monitoring, making it ideal for various settings including office spaces and greenhouses.

Built to Withstand Harsh Conditions
Crafted with an industrial-grade design, the sensor features an IP67 enclosure, providing robust protection against dust and water ingress. Additionally, its UV resistance ensures durability even in challenging environments.

Long-lasting Performance
Benefit from multi-year battery operation using a single ER18505 4000 mAh Li-SOCL2 battery, guaranteeing over 5 years of service life. With the option for dual battery holders, extending its availability for over 10 years is effortless.

Reliable Communication
Enjoy uninterrupted data transmission with support for retransmission, ensuring all data reaches the web server even during occasional network downtime.

Extensive Data Storage
Store up to 2,800 sets of historical data records within the device, enhancing data traceability and security as manual deletion is prohibited.

Advanced LoRaWAN® Connectivity
Leverage LoRaWAN® technology for extensive data transmission capabilities, with a range of up to 2 km in urban areas and 15 km in rural areas. The sensor is fully compatible with standard LoRaWAN® gateways and network servers.

Efficient Cloud Data Management
Access a comprehensive data visualisation dashboard for instant insights, along with automatic triggers for seamless collaboration with Milesight IoT sensors, enabling scene-based automation. Receive regular reports and real-time alerts for data-driven decision-making, all managed conveniently via an Android & iOS App.

Convenient NFC Configuration
Easily switch on/off and configure devices wirelessly using NFC technology, streamlining setup and management processes.


Datasheet  User guide  Payload Decoder Firmware & SDK

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