2021 Good Quality Humidity Probe - HENGKO Soil Moisture Sensor ModBus RTU RS485 Soil Moisture Temperature Sensor Plant Garden Hygrometer – HENGKO

HT-706 RS485 Compact and lightweight, easy to carry and connect. The soil moisture sensor consists of power supply module, transmission module, drift and temperature compensation module, and data processing module. The sensor has built-in signal sampling and amplification, drift zero and temperature compensation functions, and a simple and convenient user interface.

 

Working and storage conditions

Operating temperature: -40~85°C
Operating humidity:0~100%RH
Storage temperature: -40~125°C
Storage humidity: <80% (no condensation)


Functional features
◆ The sensor is designed with compact size, high measurement accuracy, fast response speed and good interchangeability.
◆ Good sealing, can be directly buried in the soil for use, and is not subject to corrosion.
◆ The soil quality has less influence, and the application area is wide.
◆ High measurement accuracy, reliable performance, ensure normal work, fast response speed and high efficiency of data transmission.
◆ Support dielectric constant signal output.

 

Voltage mode

Current mode

RS485 mode

Working voltage

7~24V

12~24V

7~24V

Working current

3~5mA

3~25mA

3~5mA

Output signal

Output signal: 0 ~ 2V DC

(0.4 ~ 2V DC can be customized)

4 ~ 20mA

(0 ~ 20mA can be customized)

MODBUS RTU


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