Smart agriculture for IOT Applications – Temperature and Humidity Sensor Monitoring


Sensors are widely used in agricultural production, and they can penetrate into every aspect of agricultural production. The use of temperature and humidity sensors in greenhouses can promote the growth of plants, and temperature and humidity sensors are important components of the IoT agricultural intelligent environmental monitoring system. After the greenhouse monitoring system is installed, the operator can operate the heating and ventilation equipment inside the greenhouse based on the real-time temperature and humidity data detected by the temperature and humidity sensor, effectively solving the shortcomings of high operating costs and high energy consumption in modern intelligent multi-span greenhouses . The monitoring system can also set alarm values according to the growing conditions of vegetables. When the temperature and humidity are abnormal, it will alarm to remind the operator to pay attention.

To ensure optimum performance and plant growth, a greenhouse environment must be maintained at specific temperature and humidity levels.

The temperature and humidity sensor monitors the air temperature and humidity in real time. After the temperature and humidity are measured, it is converted into an electrical signal or other required forms of information output according to a certain rule. The temperature and humidity sensor plays a vital role in agricultural production.

Solution

IP67 electronics and a variety of filter options make this product suited for the wide temperature and humidity ranges encountered in a greenhouse.

HT-802C temperature and humidity sensor functions and advantages:

  * High Sensitivity
  * Fast response time
  * Long service life
  * Low consumption
  * Good stability of output
  * High temperature and high humidity environment for long-term use
 

Technical Specification

Item                                                                                                                                                                                                                 Temperature                   Humidity                         Dew point
Range

-20 ~ 60℃

0 ~100 %RH

-20~59.9℃
Resolution 0.1℃ 0.1 RH 0.1℃
Accuracy ± 0 .1℃ ±1.5%RH ± 0 .1℃
Supply 9 ~ 30 VDC
Output Signal RS485(MODBUS),IIC
Current Consumption <20mA
Operating Temperature -20 ~ 60℃ 10 ~ 95 RH non-condensing
Ingress Protection IP65
Storage -40 ~ 80℃
Weight(unpacked) 120 g
Probe material Stainless steel 316/316L
 

 MOUNTING:

 
1. Install the product in stable environment area, avoid direct sunlight,away from windows air-conditioning, heating and other equipment.Otherwise it will cause measurement inaccuracies.
 
2. Fixing rail is optional.
 
3. If you use indoor, recommends clamp to install. 
 
Temperature and humidity sensors can be used in greenhouses, tea mountain management, orchard management,livestock and poultry breeding, field planting, aquaculture, ecological agriculture, big data agriculture, leisure agriculture and other agriculture, forestry, animal husbandry, sideline and fishery related industries. It is an essential smart device in agricultural IoT solutions.

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