Milesight EM320-TH LoRaWAN Temperature & Humidity Sensor


In Stock
  • Free Shipping Total Purchase > RM150
  • Cash Back 1% of Total Purchase
  • 30 Days Return Policy
  • 1 Year Warranty
  • Refund Policy
  • Food-safe and IP67 Rated Enclosure
  • Data Storage and Retransmission
  • Magnetic/Standard Versions for Versatile Applications
  • Optimized Accuracy and Resolution with the Best Price Competitiveness

EM320-TH is a simple, compact and powerful LoRaWAN® temperature & humidity sensor. It is equipped with high-precision sensors and IP67 waterproof design, applicable for accurate temperature and humidity data detection in various harsh environments and food-grade material’s enclosure

In addition to LoRaWAN® technology with low power consumption, it has built-in high-capacity batteries available for usage for up to 5 years without battery replacement. Moreover, EM320-TH is compatible with both Milesight LoRaWAN® Gateway and Milesight IoT Cloud to achieve remote data monitoring and management. It is suitable for both indoor and outdoor applications such as cold chain transportation, agricultural greenhouses, office buildings, hospitals, factories, etc.

Main Features

  • Uses Sensirion high-precision sensor, capable of sensing subtle changes in temperature and humidity
  • IP67 waterproof enclosure with multi-level structure and sealing ring design enabling strong water proof performance for harsh environments
  • Uses food-grade material’s enclosure, which is safe for contact with food or medicines
  • Ultra-low power consumption and standby with 5400mAh built-in replaceable batteries, ensuring durable battery life
  • Wall mounting for multiple installation scenarios
  • Anti-theft and anti-slip pad design on back cover to secure firm and sturdy installation
  • Long range data transmission for up to 15 kilometers in rural areas
  • Store locally 3000 historical records and support retransmission to prevent data loss
  • Equipped with NFC for easy configuration
  • Compliant with standard LoRaWAN® gateways and network servers
  • Quick and easy management with Milesight IoT Cloud solution

Slimmer, Superior and Safer

Robust IP67 Rated Enclosure

EM320-TH is equipped with IP67 rated enclosure which enables it to function properly even in the most demanding environments.

FDA-approved Food Contact Materials

Sensitive and Accurate

High precision sensibility for subtle changes monitoring

  • Sensirion SHT 41
  • Wide Measuring Range: -30℃-60℃; 0%-100% RH
    (Relative Humidity)
  • High Resolution: 0.1℃; 0.5% RH
  • Optimized Accuracy: ±0.2℃, ±2%RH

Data Storage and Retransmission

EM320-TH has been upgraded with data storage and retransmission. EM320-TH can store up to 3000 sets of historical data records with time stamps. When the connection fails, EM320-TH will continue to collect and store environment data. Once reconnected, the data collected during that period will be retransmitted to the gateway, thus avoiding data loss. This feature is appropriate for applications that lay emphasis on information and data integrity.

Versatile Applications

  • Time Saving
  • Cost-effective
  • Efficient
  • Low Maintenance

Standard Version

  • Smart Agriculture


  • Smart Building

  • Smart Factory

Ultra-Low Power Consumption

Built-in 2 × 2700mAh ER14505 Li-SOCL2 replaceable batteries ensure more than 5 years service life in low temperature environments.


LoRaWAN® Based

  • Penetrating Signals: data transmission range up to 2 km in urban areas and 15km in rural areas
  • High Compatibility: compliant with standard LoRaWAN® gateways and network servers


Effortless Configuration via NFC



Technology LoRaWAN®
Frequency AS923-1&2&3&4
Tx Power 16dBm (868)/20dBm(915)/19dBm(470)
Sensitivity -137dBm @300bps
Mode OTAA/ABP Class A
Measurement Temperature Range -30°C to + 60°C
Accuracy +/- 0.2°C
Resolution 0.1°C
Humidity Range 0% to 100% RH
Accuracy +/- 2%
Resolution 0.5% RH
Operation Power On & Off NFC Configuration via Mobile App, Power Button (Internal)
Configuration NFC Configuration via Mobile App
Physical Characteristics Power Supply 2 × 2700 mAh ER14505 Li-SOCL2 Batteries
Battery Life* ≥5 years
Operating Temperature -30°C to +60°C
Relative Humidity ≤95%
Material & Color ABS + PC (Food Grade), White
Ingress Protection IP67
Dimension 85 × 58 × 18 mm (3.34 × 2.28 × 0.70 in)
Installation Standard Version: Wall Mounting
Magnet Version: Magnetic Adsorption

* Tested under laboratory conditions and for guideline purposes only.



Additional information
Weight 0.4 kg
Dimensions 19 × 12 × 6 cm
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