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LSN50V2-S31 LoRaWAN Temperature & Humidity Sensor Nodes

DWM21010104

The LSN50v2-S31 is a LoRaWAN Temperature and Humidity Sensor for Internet of Things solution. It is used to measure the surrounding environment temperature and relative air humidity precisely, and then upload to IoT server via LoRaWAN wireless protocol.

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Description

The Dragino LSN50v2-S31 is a LoRaWAN Temperature and Humidity Sensor for Internet of Things solution. It is used to measure the surrounding environment temperature and relative air humidity precisely, and then upload to IoT server via LoRaWAN wireless protocol.

The temperature & humidity sensor used in LSN50v2-S31 is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a waterproof anti-condensation casing for long term use.

LSN50v2-S31 supports temperature and humidity alarm feature, user can get alarm for instant notice.

LSN50v2-S31 is powered by 8500mAh Li-SOCI2 battery, It is designed for long term use up to 10 years. (Real-world battery life depends on the use environment, update period. Please checkrelated Power Analyze report).

Each LSN50v2-S31 is pre-load with a set of unique keys for LoRaWAN reggistration, register these keys to local LoRaWAN server and it will auto connect after power on.

Features:

✓ LoRaWAN v1.0.3 Class A

✓ Ultra-low power consumption

✓ External 3 meters SHT31 probe

✓ Measure range -55°C ~ 125°C

✓ Temperature & Humidity alarm

✓ Bands: CN470/EU433/KR920/US915

EU868/AS923/AU915/IN865

✓ AT Commands to change parameters

✓ Uplink on periodically or Interrupt

✓ Downlink to change configure

Specifications

Micro Controller:

Micro Controller:

➢ MCU: STM32L072CZT6

➢ Flash:192KB

➢ RAM:20KB

➢ EEPROM: 6KB

➢ Clock Speed: 32Mhz

Common DC Characteristics:

➢ Supply Voltage: built in 8500mAh Li-SOCI2 battery

➢ Operating Temperature: -40 ~ 85°C

Temperature Sensor:

➢ Range: -40 to + 80°C

➢ Accuracy: ±0.2 @ 0-90 °C

➢ Resolution: 0.01°C

➢ Long Term Shift: <0.03 °C/yr

Humidity Sensor:

➢ Range: 0 ~ 99.9% RH

➢ Accuracy: ± 2%RH ( 0 ~ 100%RH)

➢ Resolution: 0.01% RH

➢ Long Term Shift: <0.25 %RH/yr

LoRa Spec:

➢ Frequency Range,

✓ Band 1 (HF): 862 ~ 1020 Mhz

➢ 168 dB maximum link budget.

➢ High sensitivity: down to -148 dBm.

➢ Bullet-proof front end: IIP3 = -12.5 dBm.

➢ Excellent blocking immunity.

➢ Built-in bit synchronizer for clock recovery.

➢ Preamble detection.

➢ 127 dB Dynamic Range RSSI.

➢ Automatic RF Sense and CAD with ultra-fast AFC.

➢ LoRaWAN 1.0.3 Specification

Power Consumption

➢ Sleeping Mode: 20uA

➢ LoRaWAN Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm

 Applications

✓ Wireless Alarm and Security Systems

✓ Home and Building Automation

✓ Industrial Monitoring and Control

✓ Long range Irrigation Systems.

Download

Datasheet_LSN50v2-S31_LoRaWAN_Temperature_Humidity_Sensor.pdf

LSN50v2_S31_LoRaWAN_Temperature_Manual_v1.0.pdf

 ER26500_Datasheet-EN.pdf

ER26500_SPC1520_Drawing.pdf

Product Details
DWM21010104
137 Items
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LSN50V2-S31 LoRaWAN Temperature & Humidity Sensor Nodes

The LSN50v2-S31 is a LoRaWAN Temperature and Humidity Sensor for Internet of Things solution. It is used to measure the surrounding environment temperature and relative air humidity precisely, and then upload to IoT server via LoRaWAN wireless protocol.

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