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. Food-grade material’s enclosure and magnet design allows it to be placed in freezers and refrigerators and in contact with food or medicines safely. 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. 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 waterproof 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 5400 mAh built-in replaceable batteries, ensuring durable battery life Wall mounting or magnet version optional for multiple installation scenarios Anti-theft and anti-slip pad design on the 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 Specifications Wireless Transmission Technology LoRaWAN Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/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 Technical Documents Datasheet User Guide EM320-TH-Accessories Sensor Shelter Kit LoRa is a registered trademark of Semtech Corporation. LoRaWAN is a trademark of the LoRa Alliance. USB-C is a registered trademark of USB Implementers Forum. MCCI and MCCI Catena are registered trademarks of MCCI Corporation. All other trademarks are the property of their respective owners.
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