Product Overview
The OHTS1090 is a 360° wind direction detection transmitter featuring an aluminum alloy housing structure with surface oxidation treatment for excellent weather resistance. It utilizes a precision bearing transmission mechanism to achieve low-resistance rotation, ensuring accurate and sensitive wind direction data acquisition for long-term outdoor deployment.
The device integrates an RS485 communication interface supporting the ModBus-RTU protocol, enabling seamless integration into industrial automation systems and environmental monitoring networks. With a measurement range of 0 ~ 359.9° and dynamic response time of ≤0.5s, it provides reliable wind direction monitoring for meteorological stations, smart agriculture, marine navigation, and industrial applications.
Features
- 360° full-angle coverage with measurement range of 0 ~ 359.9° and high resolution
- Full aluminum alloy housing with anodized surface treatment for corrosion resistance and UV protection
- High-precision bearing structure with low rotational resistance torque for accurate measurement
- Anti-electromagnetic interference (EMI) design for stable operation in industrial environments
- Optimized moment of inertia design ensuring sensitive dynamic response within 0.5 seconds
- Standard ModBus-RTU communication protocol with strong compatibility and convenient system integration
- Wide voltage power input range of 5 ~ 30V DC with maximum power consumption of 0.2W
- Operating temperature range of -40℃ ~ +60℃ suitable for harsh outdoor conditions
Applications
The OHTS1090 is designed for diverse environmental monitoring applications including greenhouse environmental control systems, environmental protection monitoring stations, and meteorological observation networks. It serves critical roles in marine navigation monitoring, wharf operation safety monitoring, and wind power auxiliary monitoring systems.
The transmitter is also widely deployed in livestock breeding environment monitoring, industrial plant micro-meteorological monitoring, and agricultural field environment monitoring. Additionally, it integrates seamlessly into smart city environmental monitoring infrastructure, providing essential wind direction data for urban climate monitoring and pollution dispersion analysis.
Technical Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage | 5 ~ 30V DC |
| Maximum Power Consumption | 0.2W (at 12VDC supply) |
| Operating Temperature | -40℃ ~ +60℃ |
| Operating Humidity | 0%RH ~ 80%RH |
| Communication Interface | RS485 |
| Communication Protocol | ModBus-RTU |
| Data Bits | 8 bits |
| Parity | None |
| Stop Bits | 1 bit |
| Default Communication Address | 1 (0x01) |
| Supported Baud Rates | 2400/4800(default)/9600/19200/38400/57600/115200 bps |
| Measurement Range | 0 ~ 359.9° |
| Dynamic Response Time | ≤0.5s |
Physical Specifications
| Parameter | Specification |
|---|---|
| Housing Material | Aluminum Alloy |
| Surface Treatment | Anodized / Spray Coated (high temperature resistant, rain/snow and UV resistant) |
| Mounting Method | Flange Mounting |
| Flange Base Diameter | Φ79.8mm |
| Mounting Hole Pitch Circle Diameter | Φ68mm |
| Mounting Hole Diameter | Φ4.5mm |
| Number of Mounting Holes | 4 |
FAQ
Q: Can this device be used as a safety or emergency stop device?
A: No, it is strictly prohibited to use this device as a safety device or emergency stop device, nor for any purpose where equipment failure may cause personal injury.
Q: What are the power supply and communication interface specifications?
A: The device operates with a wide voltage input range of 5 ~ 30V DC and uses RS485 communication interface supporting ModBus-RTU protocol with default baud rate of 4800 bps.
Q: What precautions should be taken during installation to ensure measurement accuracy?
A: Ensure the entire instrument remains horizontal during installation, use flange mounting with 4 bolts on a 68mm pitch circle diameter, and keep away from high-power electromagnetic interference sources such as frequency converters and motors.
Q: What is the warranty coverage for this product?
A: The product comes with a 24-month warranty from the date of purchase covering failures caused by defects in materials and workmanship under normal use conditions. Lifetime maintenance service is provided beyond the warranty period with charges applied.
Q: What environmental conditions should be avoided to prevent damage?
A: Avoid use in condensation or liquid immersion environments, prevent water ingress, avoid direct contact with chemical reagents, oils, and dust, and prevent long-term use in extreme temperature environments beyond the specified -40℃ ~ +60℃ operating range.