JW-ST50H(SW04) ultrasonic wind sensor is designed to measure wind speed and wind direction using ultrasonic phase difference technology. Built with 316 stainless steel, IP67 protection, and an integrated heating system, it is ideal for offshore wind power, meteorological monitoring, and harsh outdoor environments such as high humidity, high altitude, severe cold, and sandy conditions.
Product Overview
JW-ST50H(SW04)ultrasonic wind sensor is a high precision instrument for real time wind speed and wind direction measurement. Unlike traditional mechanical anemometers, it uses ultrasonic signals traveling through air to detect phase differences and calculate wind data accurately.
With no rotating parts, the sensor offers stable long term performance and low maintenance requirements. Its rugged 316 stainless steel construction, C5-M corrosion resistance, and IP67 protection make it especially suitable for demanding applications such as offshore wind farms, coastal installations, meteorological stations, and environmental monitoring sites.
The sensor also features automatic heating and temperature control, allowing reliable operation in icy, cold, humid, and windy environments. For users seeking a durable ultrasonic anemometer for industrial and offshore use, this sensor provides an excellent balance of accuracy, reliability, and environmental resistance.
Technical Specifications
General Specifications
Item
Specification
Product Type
Ultrasonic Wind Sensor
Dimensions
109.8 mm × 120.8 mm
Weight
1.5 kg
Working Temperature
-40°C to +85°C or -55°C to +85°C
Power Supply
24VDC ±25%
Power Consumption
24VDC max 170VA heating mode
24VDC max 0.2VA working mode
Electrical Connection
8 pin aviation connector
Housing Material
316 Stainless Steel
Protection Grade
IP67
Corrosion Resistance
C5-M
Surge Protection Level
Level 4
Baud Rate
1200 to 57600
Wind Speed Performance
Item
Specification
Range
0 to 50 m/s
Optional Range
0 to 75 m/s
Accuracy
0.2 m/s at 0 to 10 m/s
±2% above 10 m/s
Resolution
0.1 m/s
Wind Direction Performance
Item
Specification
Range
0 to 360°
Accuracy
±2°
Resolution
1°
Wind Temperature Performance
Item
Specification
Range
-55°C to +85°C
Accuracy
±0.5°C
Resolution
0.1°C
Output and Communication
The ultrasonic wind sensor supports a wide range of output signals, making it easy to integrate into industrial control systems, weather stations, SCADA platforms, and IoT monitoring networks.
Analog Output Options
0 to 20mA
4 to 20mA
0 to 10V
2 to 10V
0 to 5V
Pulse 2 to 2000Hz
Gray code 2 bit and 4 bit
Digital Output
RS485 half duplex
RS485 full duplex
Reliability and Environmental Test Standards
This sensor is designed for demanding field use and references the following test standards:
Test Item
Reference Standard
Electrostatic Discharge Test
GB/T17626.2-2006
Surge Immunity Test
GB/T17626.5-2008
Fast Transient Burst Test
GB/T17626.4-2008
Conducted Disturbance Immunity Test
GB/T17626.6-2008
IP Protection Test
GB 4208-2008
Drop Test
1.5 m height one corner three edges six sides
Wind Tunnel Test
JJG 0001-1992
Vibration Test
GB5170.14-85
Low and High Temperature Storage Test
GB/T2423.2-2008 and GB/T2423.1-2008
Low and High Temperature Operation Test
GB/T2423.2-2008 and GB/T2423.1-2008
Salt Spray Test
ISO6270-1:1998 ISO7253:2001 ISO12944-6:1998
Typical Applications
Offshore wind power generation
Onshore wind farm monitoring
Meteorological monitoring stations
Environmental monitoring systems
Coastal weather observation
Harsh industrial outdoor sites
High altitude and cold region projects
Why Choose an Ultrasonic Wind Sensor?
Compared with cup anemometers and vane type sensors, an ultrasonic wind sensor provides several important advantages:
No mechanical wear because there are no moving parts
Faster response time for changing wind conditions
Better reliability in dusty, icy, humid, and salty environments
Lower maintenance cost over long term operation
Higher suitability for offshore wind applications
For wind power projects and severe environment monitoring, ultrasonic technology is often a more reliable choice than traditional rotating sensors.
What Is an Ultrasonic Wind Sensor?
An ultrasonic wind sensor, also called an ultrasonic anemometer, measures wind speed and wind direction by sending ultrasonic waves between transducers. By analyzing the travel time or phase difference of the sound waves, the sensor determines how the wind is affecting the signal path.
Because it does not rely on rotating cups or vanes, it offers better durability and more stable performance in demanding outdoor conditions.
How Does Ultrasonic Wind Measurement Work?
Many basic wind sensors focus only on horizontal wind speed and direction. However, in some projects, Ultrasonic sensors transmit sound waves through air. When wind is present, it changes the speed and direction of the sound wave as it travels between ultrasonic paths. The sensor calculates this difference and converts it into wind speed and wind direction data.
This method allows continuous digital measurement with high precision and low maintenance.
Why Heating Matters in Cold Weather?
In cold and icing regions, wind sensors may suffer from frost or snow buildup. A heated ultrasonic wind sensor helps prevent ice accumulation, maintains measurement stability, and improves uptime during winter operation.
This is especially important for offshore wind turbines, mountain weather stations, and northern climate installations.
Why 316 Stainless Steel Is Important?
316 stainless steel is widely used in marine and corrosive environments because it offers strong resistance to rust, salt spray, and chemical exposure. For offshore and coastal wind monitoring, this material helps extend sensor service life and reduce replacement costs.
Installation Suggestions
For best performance, install the ultrasonic wind sensor in an open location with minimal airflow obstruction. Keep the sensor away from nearby towers, walls, or equipment that may disturb wind flow.
For offshore and wind farm applications, install the sensor at a representative height according to project requirements. Make sure the mounting structure is stable and the wiring is well protected against moisture and vibration.
FAQ
Q
1. What does this ultrasonic wind sensor measure?
A
This sensor measures wind speed and wind direction in real time. It is designed for accurate outdoor monitoring in demanding environments.
Q
2. What is the main benefit of an ultrasonic wind sensor?
A
The main benefit is that it has no moving parts, which means lower maintenance, better durability, and improved long term reliability compared with traditional mechanical wind sensors.
Q
3. Can JW-IoT provide this sensor for offshore wind projects?
A
Yes. JW-IoT can provide ultrasonic wind sensors for offshore wind power, coastal monitoring, and other harsh environment projects.
Q
4. Is this sensor suitable for cold and icy regions?
A
Yes. The integrated heating system helps the sensor operate reliably in severe cold and icing environments.
Q
5. What outputs are available?
A
The sensor supports multiple analog outputs such as 4 to 20mA and 0 to 10V, as well as RS485 digital output, making it suitable for many industrial systems.
Q
6. Can JW-IoT support system integration?
A
Yes. JW-IoT can support integration with weather stations, RTUs, data loggers, SCADA systems, and IoT monitoring platforms depending on project requirements.
Q
7. Why is 316 stainless steel important for this product?
A
316 stainless steel provides excellent resistance to corrosion, salt spray, and harsh weather, which is especially useful for offshore and coastal installations.
Q
8. Is this sensor only for wind turbines?
A
No. It can also be used in meteorology, environmental monitoring, industrial outdoor projects, and other applications where accurate wind data is required.
Q
9. Does JW-IoT offer customized wind monitoring solutions?
A
Yes. JW-IoT can provide customized wind monitoring solutions including sensor selection, communication configuration, and complete monitoring system support.
+86 13520127780 
info@jingelway.com
