Temperature & Humidity Sensor

Monitoring with Reliable Data in Real-Time

EM300-TH
temperature humidity sensor em300 front small
temperature humidity sensor em300 button small
temperature humidity sensor em300 back small
  • IP67 Rated and UV Resistance
  • Support Retransmission for Reliable Communication
  • Up to 10 Years Battery Life
  • Detect Temperature and Humidity with Higher Accuracy
  • Store Capacity with 2,800 Sets of Historical Data Records
  • Certified for EN12830 Standard
  • FEATURES
  • MODELS
  • DOWNLOAD

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.

temperature humidity sensor certified en12830 temperature humidity sensor certified checked

Certified for Cold Chain

Traceability EN12830 Standard

In order to ensure the storage and transport of food products and medical products are kept at adequate temperatures, as well as to ensure continuous monitoring, Milesight EM300-TH Sensor complies with the EN12830 standard.

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
temperature humidity sensor em300 lorawan

Milesight Development Platform

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.

Learn More
ws202 application

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

NFC Configuration

Switching On/Off & Configuring the Devices Wirelessly

nfc 1

1st Step

Install the
Milesight ToolBox

nfc 2

2nd Step

Enable NFC and run ToolBox,
then attach your phone to the device

nfc 3

3rd Step

Verify the password
and start configuring

Explore More About NFC Configuration >>

Installation in Better Ways

temperature humidity sensor em300 installation

Specifications

Wireless Transmission
TechnologyLoRaWAN®
FrequencyCN470/IN865/RU864/EU868/US915/AU915/KR920/AS923
Tx Power16dBm(868)/20dBm(915)/19dBm(470)
Sensitivity-137dBm @300bps
ModeOTAA/ABP Class A
Measurement
Temperature
Range-30°C to + 70°C
Accuracy0°C to + 70°C (+/- 0.3°C), -30°C to 0°C (+/- 0.6°C)
Resolution0.1°C
Humidity
Range0% to 100% RH
Accuracy10% to 90% RH (+/- 3%), below 10% and above 90% RH (+/- 5%)
Resolution0.5% RH
Operation
Power On & OffNFC, Power Button (Internal)
ConfigurationNFC Configuration via Mobile App
Physical Characteristics
Power Supply1 × 4000 mAh ER18505 Li-SOCL2 battery (extendable to 2 batteries)
Battery Life*10 years (10 min interval)
Operating Temperature-30°C to +70°C
Relative Humidity0% to 100% (non-condensing)
Ingress ProtectionIP67
Dimension88.5 × 85.3 × 27 mm (3.48 × 3.36 × 1.06 in)
InstallationWall Mounting
Approvals
RegulatoryCE, FCC, RoHS

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