R718A Temperature and Humidity Sensor for Low Temperature Environment
Wireless Sensor Network Based on LoRa Technology (US915) • R718A is capable of measuring temperature and humidity in a low-temperature environment. • R718A can be used in domestic and commercial refrigerators to store and transport food, medicines, flowers, and other perishable goods, on the walls or in logistics refrigerators. *Netvox has a lead time of at least 35 days for backorders.
Features
- •Apply SX1276 wireless communication module•2 section of ER14505 battery in parallel (AA SIZE 3.6V / section)•Temperature and humidity detection•The base is attached with a magnet that can be attached to a ferromagnetic material object•Protection class IP65•LoRaWAN Class A compatible•Frequency Hopping Spread Spectrum (FHSS)•Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)•Available third-party platform: Actility/ThingPark, TTN, MyDevices/Cayenne•Improved power management for longer battery life
Specifications
- Power Supply: 2×3.6V ER14505 lithium batteries(3.6V2400mah/section)
- Operating Voltage: 3.1v to 3.65
- Standby Current: 20uA
- Receiving Current (max): 11mA @3.3V
- Transmitting Current (max): 120mA/3.3V
- Battery Voltage Accuracy: ±0.1V
- Low Voltage Threshold: 3.2V
- Temperature Detecting Range: -40℃ to 55℃
- Temperature Accuracy; ±0.5℃ @25℃
- Humidity Detecting Range: 0%RH～100%RH
- Humidity Accuracy: ±3%RH @25℃
- Frequency Range: 863MHz-928MHz 470MHz-510MHz
- TX Power: US915 20dbm；AS923 16dbm；AU915 20dbm；CN470 19.15dbm；EU868 16dbm；KR920 14dbm；IN865 20dbm；
- Receiving Sensitivity:
- -136dBm（LoRa，Spreading Factor=12，Bit Rate=293bps )；-121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps)
- Antenna Type: Built-in antenna
- Communication Distance: Up to 10 km (visible linear obstacle-free transmission distance , actual transmission distance depends on the environment )
- Data Transfer Rate:
- LoRa: 0.3kbps～50kbpsFSK: 1.2kbps～300kbps
- Modulation: LoRa/FSK (Note: You can choose one of them)
- Supportable LoRaWAN Band: EU863-870,US902-928,AU915-928,KR920-923,AS923-1,AS923-2,AS923-3, IN865-867,CN470-510 (Note: The frequency band is optional and needs to be configured before shipment)
- Dimension:Main Body:L: 112mm*W: 65mm*H: 28mmSensor cover size: D: Ø16mm*L: 27mm
- Environment Temperature Range: -40℃ to 55℃
- Storage Temperature Range: -40℃ to 85℃
- Environment Humidity Range: <90%RH (No condensation)
- Weight: 141g
Details
R718A Temperature and Humidity Sensor...