LHT52 LoRaWAN Air Temp and RH Sensor - EU868

LHT52 LoRaWAN Air Temp and RH Sensor - EU868

R 887.04
SKU:
101990983

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This sensor collects environment temperature and humidity and sends these values via long-range wireless  LoRaWAN v1.0.3 protocol. It can work with the standard LoRaWAN gateway, like Helium hotspots SenseCAP M1, and TTN hotspots.

It also has a Datalog capability to ensure sensor data won’t be missed. Every uplink data will be recorded, and you can retrieve these values via the downlink command.

Each LHT52 has unique LoRaWAN OTAA keys. To use LHT52 in a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN network server, only then it can start to transmit data.  The default period for each uplink is 20 minutes.

Highlighted Features

  • Wide Measuring Range: can measure air temperature range from -20 ~ 50°C and humidity range from 0 ~ 99.0 %RH(No Dew)

  • Low-power consumption: 2 x AAA LR03 batteries working for a long time for up to 2 years

  • Long-range data transmission: Data can be transmitted within a range of 3~5 kilometers

  • Support for multiple platforms: Quick to use on platforms like Helium and TTN

  • Optional external probe: Supports external probes, such as the addition of surface temperature detection sensors.

  • Data retrievability: a maximum of 178 historical data items can be extracted through a downlink command for you to retrieve sensor value 

  • Alarm Function: Not all the data is valuable. LHT52 enables you to focus on those data that you need to take action for

  • Flexible parameter configuration: Supports AT commands to change parameters, can remotely configure parameters through LoRaWAN Downlink

Specifications

Dimensions

5.8 x 5.8 x 2.0 cm

Air Temperature

Range                                                                            

-20 ~ 50°C                                                                            

Resolution

0.01 °C 

Accuracy

Typ ±3 °C

Long Term Drift

< 0.02 °C/yr

Air Humidity

    Range

    0 ~ 99.0 %RH(No Dew)

    Resolution

    0.1%RH

    Accuracy

    Typ ±3%RH

    Long Term Drift

    < 0.02 °C/yr

    Other

    LoRaWAN Protocol

    V1.0.3 Class A

    Battery

    2 x AAA LR03 battery (Not included in delivery)

    IP Rating

    IP52

    Current

     Idle: 5uA, Transmit: max 110mA

    Storage and Operation Temperature

    -20°C to +50°C

    External Temperature Probe(Default Package doesn't include, For purchase please contact:sensecap@seeed.cc)

    Name

    AS-01 based on DS18B20

    Accuracy Range

    ±0.5°C accuracy from -10°C to +85°C

    ±2°C accuracy from -55°C to +125°C

    Resolution

    0.0625°C

    Operation Temperature

    -55 °C ~ 125 °C 

    Cable Length

    2 meters

    Applications 

    • Exhibition environment Monitoring for pieces and antiques: The relative humidity is at 45% and the temperature is between 65°F and 68°F,  lowering the temperature greatly increases the longevity of collections.
    • Basement/Garage environment monitoring: these two locations are mainly used to store something that may be sensitive to the temperature and humidity
    • Greenhouses environment monitoring: The ideal temperature for a greenhouse is between 80 to 85 degrees Fahrenheit (26.5 – 29.5 degrees Celsius)
    • Schools/offices environment monitoring: To protect health and comfort,  it is important that indoor relative humidity be maintained below 60%, ideally between 30% and 50%, and the air temperatures be maintained in a range of 70°F  to 78°F

    Documentation

    Data Sheet

    User Manual