EM300-TH is a compact environment monitoring sensor for measurement of temperature and humidity and transmitting data using LoRaWAN® technology. With this low power consumption technology, EM300-TH can work up to 5 years with 4000 mAh battery. Combining with Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, users can manage all sensor data remotely and visually. EM300-TH is widely used for both indoor and outdoor applications such as offices, hospitals, factories, greenhouses, etc.
Main Features
- Embedded with Sensirion high-precision sensor chip
- Ultra-wide-distance transmission up to line of sight of 10 KM
- IP67 UV-resistant and waterproof enclosure for harsh environment applications
- Built-in 4000 mAh replaceable battery and works for more than 5 years without replacement
- Store locally 3,000 historical records and support retransmission to prevent data loss
- Support Milesight D2D protocol to enable ultra-low latency and direct control without gateways
- Equipped with NFC for easily configuration
- Compliant with standard LoRaWAN ® gateways and network servers
- Quick and easy management with Milesight IoT Cloud solution
High Sensitive Sensor
- -30°C to 70°C
- 0% to 100% RH
EM300-TH Temperature & Humidity Sensor adopts Sensirion, providing ±0.3℃ high accuracy of temperature and ±3% RH of humidity
Applications
EM300-TH Temperature & Humidity Sensor can perform brilliantly in multiple industries.
- Residence
- Office
- Lab
- Warehouse
- Greenhouse
- Cold Chain
- Food Preservation
IP67 Waterproof
EM300-TH Temperature & Humidity Sensor is equipped with IP67 rated enclosure to fit into more application scenarios
Dustproof and Waterproof Industrial Grade Design
Ultra Low Power Consumption
Easily replaceable battery with up to 10 years service life
- ER18505 4000 mAh Li-SOCl2 Battery
- Dual Battery Holders (One Battery by Default)
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
Store Capacity with 2800 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.
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.
Specifications
| LoRaWAN® | Frequency | AS923 |
| Tx Power | 20dBm (915) / 16dBm (868) / 17dBm (470) | |
| Sensitivity | -137dBm @300bps | |
| Mode | OTAA/ABP Class A | |
| Temperature Measurement | Range | -30°C to + 70°C |
| Accuracy | 0°C to + 70°C (±0.3°C), -30°C to 0°C (±0.6°C) | |
| Resolution | 0.1°C | |
| Humidity Measurement | Range | 0% to 100% RH |
| Accuracy | 10% to 90% RH (±3%), below 10% and above 90% RH(±5%) | |
| Resolution | 0.5% RH | |
| Physical Characteristics | Power Supply | ER18505 Li-SOCl2 4000 mAh battery (8000 mAh optional) |
| Battery Life | ≧ 5 years ( for 1 battery) | |
| Operating Temperature | -30°C to 70°C | |
| Ingress Protection | IP67 | |
| Dimension | 88 × 87 × 27 mm | |
| Mounting | Wall (screws or 3M adhesives) |
Documents
- Milesight EM300-TH LoRaWAN Temperature & Humidity Sensor – Complete User Guide
- Milesight EM300-TH LoRaWAN Temperature & Humidity Sensor – Datasheet
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