Temperature & Humidity Sensor EM300-TH

EM300-TH Temperature & Humidity Sensor – Rugged, Long-Life lorawan® Monitoring for Harsh Environments

The Milesight EM300-TH is a compact, industrial-grade temperature and humidity sensor that delivers high-precision monitoring over long distances using lorawan® technology. Featuring a rugged IP67 UV-resistant enclosure, the EM300-TH is ideal for both indoor and outdoor deployments such as warehouses, greenhouses, hospitals, cold chain logistics, and factories. With over 10 years of battery life and built-in NFC configuration, it enables low-maintenance, high-accuracy ambient data collection in even the harshest environments.

Key Features

• High-precision Sensirion CMOSens® sensor chip for temperature and humidity
• Ultra-wide transmission range: up to 10 km line of sight
• IP67-rated waterproof and UV-resistant enclosure
• Replaceable 4000 mAh battery (option for 8000 mAh) with up to 10+ years lifespan
• Supports Milesight D2D protocol for ultra-low latency, gateway-free control
• Data logging with 2800 entries and retransmission to prevent data loss
• Internal button and LED indicator for device control and status
• NFC-enabled mobile configuration and easy mounting options (wall, tape, cable tie)
• Fully compatible with Milesight IoT Cloud and third-party lorawan® platforms

Technical Specifications

Ideal Applications

• Cold Chain and Warehouse Monitoring
• Greenhouses and Agriculture
• Smart Hospitals and Clinics
• Outdoor Facility Management
• Remote Temperature Monitoring in Harsh Conditions

Durable. Accurate. Long-Lasting.

With long-range wireless communication, ultra-low power consumption, and rugged design, the EM300-TH is the go-to solution for high-precision environmental sensing across industrial and remote use cases. Available now from TerraQ Technologies across the MEA region.