Temperature Humidity Pressure Sensor RS485 for Weather Monitoring
Key Features
Three in one environmental monitoring: Measures air temperature, relative humidity, and atmospheric pressure in one compact sensor.
Wide measurement range: Temperature range from -40°C to 85°C, humidity range from 0 to 100%RH, and pressure range from 300 to 1100 hPa.
High accuracy sensing performance: Typical accuracy reaches ±0.3°C, ±3%RH, and ±0.3 hPa, supporting reliable environmental data collection.
RS485 Modbus RTU output: Standard digital communication makes the sensor easy to integrate with data loggers, IoT gateways, weather stations, and monitoring platforms.
Fast response time: Response time is less than 15 seconds, helping users capture real time environmental changes.
Low power consumption: Operating current is less than 20 mA at DC12V, with power consumption below 0.24W, suitable for solar powered or remote monitoring systems.
IP65 protected housing: Designed for agricultural, meteorological, and environmental monitoring applications where dust and moisture resistance are required.
Outdoor monitoring option: Can be used with a lightweight weather radiation shield for outdoor monitoring applications.
JW-WSY(YN01) Temperature Humidity Pressure Sensor is a compact three in one environmental sensor designed for accurate air temperature, relative humidity, and atmospheric pressure monitoring. With RS485 Modbus RTU output, low power consumption, and IP65 protection, it is suitable for smart agriculture, meteorological stations, greenhouse monitoring, forestry, climate chambers, and outdoor environmental data acquisition systems.
2. Product Overview
JW-WSY(YN01) Temperature Humidity Pressure Sensor is a professional environmental monitoring device for measuring air temperature humidity and atmospheric pressure in agricultural IoT, smart weather monitoring, forestry, greenhouse control, and climate chamber applications.
The sensor integrates a high performance temperature and humidity sensing element with a pressure sensing module. It converts environmental changes into digital signals and outputs data through the RS485 Modbus RTU protocol, making it suitable for long distance multi point monitoring and centralized data collection.
For outdoor weather monitoring, the sensor can be installed inside a lightweight radiation shield to reduce direct solar radiation influence and improve data reliability.
Item
Specification
Measured Parameters
Air temperature relative humidity atmospheric pressure
Temperature Range
-40°C to 85°C
Humidity Range
0 to 100%RH
Pressure Range
300 to 1100 hPa
Temperature Accuracy
±0.3°C typical at 25°C
Humidity Accuracy
±3%RH typical at 25°C 10% to 80%RH
Pressure Accuracy
±0.3 hPa at 25°C 950 to 1050 hPa
Response Time
Less than 15 seconds
Signal Output
RS485 Modbus RTU
Power Supply
DC 9 to 24V
Working Environment
-40°C to 60°C less than 100%RH
Storage Temperature
-40°C to 80°C
Working Current
DC12V less than 20 mA
Power Consumption
DC12V less than 0.24W
Protection Rating
IP65
Cable Length
3 meters
Product Weight
Less than 120 g
Baud Rate
9600
Data Bits
8
Stop Bit
1
Parity
None
3. Application Scenarios
Automatic weather stations
Smart agriculture monitoring systems
Greenhouse climate control
Forestry environmental monitoring
Climate chamber monitoring
Outdoor meteorological observation
Agricultural IoT data acquisition
Environmental monitoring stations
Remote temperature humidity pressure monitoring
Solar powered weather monitoring systems
4. Installation Notes
Install the sensor in a location suitable for indoor or outdoor monitoring. Keep the sensor away from high power electrical equipment to reduce interference. Use appropriate shielded cable when extending the cable length. Ensure correct wiring before powering the device. Do not hot plug the sensor during operation. Avoid dropping, impacting, disassembling, or damaging the pressure inlet. Do not route the sensor cable together with high voltage power cables.
FAQ
Q
What does this Temperature Humidity Pressure Sensor measure?
A
It measures air temperature, relative humidity, and atmospheric pressure in one integrated device.
Q
2. What communication protocol does the sensor support?
A
The sensor supports RS485 communication with the Modbus RTU protocol, making it easy to connect with data loggers, RTUs, and IoT gateways.
Q
3. Can this sensor be used outdoors?
A
Yes. The sensor has an IP65 protection rating and can be used for outdoor monitoring. For more accurate outdoor air measurement, it is recommended to install it inside a weather radiation shield.
Q
4. Is this sensor suitable for smart agriculture?
A
Yes. It is suitable for smart agriculture, greenhouse monitoring, forestry, weather stations, climate chambers, and agricultural IoT systems.
Q
5. What power supply does the sensor require?
A
The sensor supports DC 9 to 24V power supply.
Q
6. Can JW-IoT integrate this sensor into a complete weather monitoring solution?
A
Yes. JW-IoT can integrate this temperature humidity pressure sensor with data loggers, solar power systems, wireless communication devices, and cloud monitoring platforms for complete environmental monitoring solutions.
Q
7. What is the response time of the sensor?
A
The response time is less than 15 seconds, allowing the system to collect near real time environmental data.
Q
8. Does the sensor support low power field monitoring?
A
Yes. With power consumption below 0.24W at DC12V, it is suitable for remote stations and solar powered monitoring systems.
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