Milesight Temperature Humidity Sensor EM300-TH-868M

The EM300‑TH‑868M is a compact and waterproof LoRaWAN® environmental sensor for high-precision temperature and humidity monitoring. Featuring long battery life, IP67-rated housing, and global frequency support, it’s ideal for smart buildings, agriculture, cold-chain logistics, and industrial IoT deployments.

SKU:

46,90 

4 in stock

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Product Description Technical Details

The Milesight EM300‑TH‑868M is a smart and compact LoRaWAN® environmental sensor designed for accurate temperature and humidity monitoring in both indoor and outdoor environments. Equipped with a Sensirion high-precision MEMS chip, it ensures accurate and reliable environmental data even under harsh conditions.

With a built-in 4000 mAh Li-SOCl₂ battery (upgradeable to 8000 mAh), the EM300‑TH offers multi-year operation—up to 10 years depending on transmission interval and region. It supports wide-area communication with transmission distances of up to 10 km line-of-sight and operates over multiple LoRaWAN® frequency bands worldwide, including EU868, US915, and AS923.

The device is housed in a rugged IP67-rated enclosure that resists dust, water, and UV exposure, making it suitable for industrial plants, greenhouses, warehouses, hospitals, and office buildings. Installation is flexible with options for wall-mounting, tape, or cable ties.

The EM300-TH offers real-time monitoring, local storage of up to 2,800 records, and automatic retransmission to prevent data loss. It includes Milesight D2D protocol for ultra-low-latency peer-to-peer communication and supports configuration via NFC and mobile apps.

Easily integrated into the Milesight IoT Cloud or Development Platform, the EM300‑TH enables centralized management, remote access, and smart automation across a wide range of IoT applications.

Technical Feature Details
Wireless Transmission
Technology LoRaWAN®, Milesight D2D
Antenna Internal Antenna
Frequency CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923‑1/2/3/4
Tx Power 16 dBm (868 MHz), 20 dBm (915 MHz), 19 dBm (470 MHz)
Sensitivity -137 dBm @ 300 bps
Mode OTAA / ABP Class A
Temperature Measurement
Range -30°C to +70°C
Accuracy ±0.6°C (−30°C to 0°C), ±0.3°C (0°C to +70°C)
Resolution 0.1°C
Humidity Measurement
Range 0% to 100% RH
Accuracy ±3% RH (10%–90% RH @ 25°C), ±5% RH (0–10% & 90–100% RH @ 25°C)
Resolution 0.5% RH
Interface & Indicators
LED Indicator 1 × Internal LED
Button 1 × Internal Power/Reset Button
Software Features
Power Control NFC, Internal Button
Configuration NFC via Mobile App, Downlink
Advanced Features Threshold Alarm, D2D Controller, Data Storage (2,800 entries), Data Retransmission, Data Retrieval
Power & Battery
Battery 1 × 4000 mAh ER18505 Li‑SOCl₂ Battery (Optional 8000 mAh version)
Battery Life* >10 years (SF7, EU868 & US915, 10-min interval @ 25°C)
~5.8 years (SF10, EU868)
~4.2 years (SF10, US915)
Physical Characteristics
Operating Temperature -30°C to +70°C
Relative Humidity 0% to 100% (non-condensing)
Ingress Protection IP67 (Waterproof, UV-resistant)
Material & Color ABS + PC (Flame-retardant), White
Weight 95.6 g (with battery)
Dimensions 88.5 × 85.3 × 27 mm (3.48 × 3.36 × 1.06 in)
Installation Options Wall screw mounting, 3M tape, Cable tie
Compliance & Certification
Regulatory CE, FCC, ISED, RCM, Telec, ICASA, EN12830
Environmental RoHS Compliant