Monitoring with Reliable Data in Real-Time

Temperature and Humidity Sensor


Detect Temperature and Humidity with Higher Accuracy
Store Capacity with 2,800 Sets of Historical Data Records
Certified for EN12830 Standard
IP67 Rated and UV Resistance
Support Retransmission for Reliable Communication
Up to 10 Years Battery Life
Passage People Counting in A Cost-Effective Way
With bi-directional detection using dual PIR sensors, the passage people counter brings applicable accuracy and redefines the way you track foot traffic in a cost-effective way.
Industry-Proven Temperature & Humidity Sensor
EM300-TH is suitable for indoor and outdoor temperature and humidity monitoring. It can be widely used in office areas, greenhouses and other environments
Industrial Grade Design for Harsh Environment
IP67 Enclosure for Dust and Water Ingress
UV Resistance
Multi-Year Battery Operation
1 × ER18505 4000 mAh Li-SOCL2 ensure more than 5 years’ service life
Available for over 10 years (Dual Battery Holders, One Battery by Default)
Support Retransmission for Reliable Communication
With support for data retransmission,the device guarantees that the web server gets all the data even if the network is down occasionally
Store Capacity with 2,800 Sets of Historical Data Records
Data can be stored in the device and cannot be manually deleted, further securing the traceability of the reported information
LoRaWAN® Based
Penetrating Signals: data transmission range up to 2 km in urban areas and 15 km in rural areas
High Compatibility: compliant with standard LoRaWAN® gateways and network servers

Application Integration and Development
Milesight Development Platform simplifies device deployment and management and offers RESTful APIs for data interchange, webhooks to trigger external actions, centralized management of applications, and comprehensive documentation for crafting custom IoT solutions, helping system integrators and solution providers jump-start IoT projects
Cloud Data Management Milesight IoT Cloud
Data Visualization Dashboard
All figures in a glance
Automatic Triggers
Interactive collaboration with Milesight IoT sensors
to realize scene-based automation
Regular Reports & Real-Time Alerts
Data-based insights
Android & iOS App
Manage devices at your fingertips
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EM320-TH
Temperature & Humidity Sensor
Technology | LoRaWAN®, Milesight D2D |
Antenna | Internal Antenna |
Frequency | CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4 |
Tx Power | 16dBm(868 MHz)/20dBm(915 MHz)/19dBm(470 MHz) |
Sensitivity | -137dBm @300bps |
Mode | OTAA/ABP Class A |
Measurement | |
---|---|
Temperature | |
Range | -30°C to + 70°C |
Accuracy | Typ.: ±0.3°C (-30°C ~ 0°C) ±0.2°C (0°C ~ 70°C) |
Resolution | 0.1°C |
Humidity | |
Range | 0% to 100% RH |
Accuracy | Typ.: ±3% (10% ~ 90% RH @25°C) ±5% (0% ~ 10% RH @25°C, 90% ~ 100% RH @25°C ) |
Resolution | 0.5% RH |
Others | |
Display | LCD Segment Code Screen |
Viewing Direction | 12 O'clock |
Others | |
LED | 1 × LED Indicator (Internal) |
Button | 1 × Power/Reset Button (Internal) |
Software | |
Power On/Off | NFC, Power Button (Internal) |
Configuration | NFC via Mobile App, Downlink |
Advanced Features | Threshold Alarm, Milesight D2D Controller, Data Storage (2, 800 entries), Data Retransmission, Data Retrievability |
Physical Characteristics | |
Power Supply | 1 × 4000 mAh ER18505 Li-SOCL2 Battery (8000 mAh Version Optional) |
Battery Life* | Over 10 Years (SF7, EU868 & US915) |
(10 min interval, 25°C) | Around 5.8 Years (SF10, EU868) Around 4.2 Years (SF10, US915) |
Operating Temperature | -30°C to +70°C |
Relative Humidity | 0% to 100% (non-condensing) |
Housing & Color | ABS + PC(Flame Retardant), White |
Weight | 95.6g (with 1 battery) |
Ingress Protection | IP67 |
Dimension | 88.5 × 85.3 × 27 mm (3.48 × 3.36 × 1.06 in) |
Installation | Wall Screw Mounting, 3M Tape Mounting, Cable-Tie Mounting |
Approvals | |
Regulatory | CE, FCC, Telec, EN12830 |
Environmental | RoHS |