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Milesight EM300‑TH LoRaWAN Temp/Humidity Sensor with 8000mAh Battery (EU868)
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The Milesight EM300-TH is a professional LoRaWAN® Temperature & Humidity Sensor (EU868) designed for reliable environmental monitoring in smart buildings, warehouses, cold storage facilities, greenhouses and industrial IoT applications.
Equipped with high-precision temperature and relative humidity sensors, the EM300-TH enables continuous monitoring of environmental conditions and wireless transmission of measurement data through compatible LoRaWAN networks.
The sensor measures temperatures from -30°C to +70°C and relative humidity from 0% to 100% RH, providing valuable information for climate monitoring, storage condition management and environmental control.
Its IP67-rated waterproof and dustproof enclosure makes it suitable for demanding indoor and sheltered outdoor installations where moisture, dust and environmental exposure are important considerations.
The EM300-TH is powered by a replaceable 8,000 mAh battery, supporting long-term operation with minimal maintenance. Battery life depends on transmission intervals, network conditions and environmental factors.
With NFC configuration, local data storage and retransmission capabilities, the sensor offers flexible deployment and reliable data collection, including applications where temporary network interruptions may occur.
The Milesight EM300-TH is an efficient solution for businesses seeking accurate, wireless and low-maintenance temperature and humidity monitoring.
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💡 Key Features
🌡️ Temperature Monitoring – Measures ambient temperature from -30°C to +70°C.
💧 Humidity Monitoring – Measures relative humidity from 0% to 100% RH.
📡 LoRaWAN EU868 – Long-range wireless communication with low power consumption.
🔋 8,000 mAh Replaceable Battery – High-capacity battery for long-term autonomous operation.
🌧️ IP67 Protection – Waterproof and dustproof enclosure for demanding environments.
📱 NFC Configuration – Easy device configuration using a compatible smartphone and the Milesight ToolBox application.
📊 Local Data Storage – Stores historical measurement data for subsequent retrieval.
🔄 Data Retransmission – Supports retransmission of stored data when network connectivity is restored, subject to configuration.
🚨 Threshold Monitoring – Supports configurable temperature and humidity threshold-based reporting.
🔗 IoT Platform Integration – Compatible with standard LoRaWAN gateways, network servers and monitoring platforms.
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🛠 Applications
🏢 Smart Buildings & HVAC – Monitoring indoor temperature and humidity for comfort and energy management.
📦 Warehouses & Storage Facilities – Monitoring environmental conditions for stored goods.
❄️ Cold Storage & Refrigeration – Temperature and humidity monitoring within the device's specified operating range.
🌱 Greenhouses & Agriculture – Monitoring environmental conditions affecting crop growth.
💻 Server Rooms & Data Centers – Monitoring temperature and humidity around sensitive IT equipment.
🏭 Industrial Facilities – Wireless environmental monitoring in production and storage areas.
📡 Remote IoT Monitoring – Integration into distributed LoRaWAN monitoring networks.
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📦 Package Includes
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1 × Milesight EM300-TH LoRaWAN Temperature & Humidity Sensor (EU868)
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Installed 8,000 mAh battery
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🎥 Product Video
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📥 Product Downloads
- Manufacturer: Milesight
- Model: EM300-TH-868M
- Device Type: LoRaWAN Temperature & Humidity Sensor
- Wireless Protocol: LoRaWAN
- Frequency Band: EU868
- Measured Parameters: Temperature & Relative Humidity
- Temperature Range: -30°C to +70°C
- Temperature Resolution: 0.1°C
- Temperature Accuracy: ±0.3°C (Typical)
- Humidity Range: 0–100% RH
- Humidity Resolution: 0.5% RH
- Humidity Accuracy: ±3% RH (Typical)
- Power Supply: Replaceable Battery
- Battery Capacity: 8,000 mAh
- Battery Life: Long-Term Operation, Depending on Configuration and Conditions
- Ingress Protection: IP67
- Configuration: NFC via Milesight ToolBox
- Data Storage: Local Data Logging
- Data Retransmission: Supported
- Threshold Monitoring: Temperature & Humidity
- Antenna: Internal
- Installation: Wall or Surface Mounting