Wind Vane
Product Code : EL-PMP-10406
Quick answer: A wind vane indicates the direction from which the wind is blowing: the vane swings on its pivot until it lines up with the airflow. This one rotates with minimum friction and is precisely balanced, so it has no bias toward any direction. It is used for rooftop weather observation and physics lessons. Lab Exports manufactures it in Delhi for schools, colleges and universities.
Specifications
| Attribute | Detail |
|---|---|
| Function | Indicates wind direction |
| Balance | Precisely balanced to avoid bias toward any direction |
| Rotation | Turns with minimum friction |
| Typical use | Mounting on buildings for weather observation; physics lab demonstrations |
| Measures | Direction only (wind speed needs an anemometer) |
How it is used
A wind vane is shaped so that more of its surface lies behind the pivot than in front of it. Wind pressure on that larger rear area pushes the tail downwind, and the front of the vane swings round to face the wind. Weather observers name a wind by the direction it comes from, so a vane pointing north marks a north wind. Because this vane is balanced and turns with little friction, it follows small shifts in direction instead of sticking in one position.
- Mount the vane on an open rooftop, mast or pole, clear of walls and trees that deflect the wind.
- Find north at the mounting point with a magnetic compass so the vane's position can be read as a compass direction.
- Record the direction the vane points at fixed times each day.
- Set the readings beside wind speed from a cup anemometer to build a simple weather log.
Key features
- Indicates wind direction by turning freely into the airflow.
- Precisely balanced, so it shows no bias toward any particular direction.
- Rotates with minimum friction and responds to changes in wind direction.
- Suitable for mounting on buildings for meteorological observation.
- Also usable indoors for classroom demonstrations of wind direction.
Documentation and supply
Most Lab Exports products carry a one-year manufacturer warranty.
Lab Exports manufactures the wind vane at its works in Laxmi Nagar, Delhi, and supplies it to schools, colleges and universities in India and 60+ countries, handling the export documents for each shipment. More about the company is on the About Lab Exports page.
Related Physics Miscellaneous Products products
- Simple Cup Anemometer (EL-PMP-10407)
- Cup Anemometer with Digital Display (EL-PMP-10408)
- Cup Anemometer with Analog Display (EL-PMP-10409)
- Advanced Anemometer (EL-PMP-10410)
- CBSE Physics Lab Package (SCL-PMP-11105)
- Powell's Wave (SCL-PMP-11115)
The full range is in the Physics Miscellaneous Products section of the Physics Lab range.
Frequently asked questions
What does a wind vane measure?
Wind direction only. The vane turns to face the wind, showing the direction the wind is coming from; wind speed is measured with an anemometer.
Why does balance matter in a wind vane?
A vane that is heavier on one side tends to settle in one position. Precise balance removes that bias, so the vane comes to rest only where the wind places it.
What is the price of the wind vane?
Prices are not published on the website. Add the wind vane to the Enquiry Cart with the Add To Cart button on this page, or email [email protected] with the house code EL-PMP-10406 and the quantity, to receive a quotation.
Does Lab Exports manufacture the wind vane?
Yes. Lab Exports manufactures the wind vane at its works at 11/315, Lalita Park, Laxmi Nagar, Delhi 110092, under house code EL-PMP-10406.
Request a quote
Email [email protected] with the house code EL-PMP-10406 and the quantity, or add the wind vane to the Enquiry Cart with the Add To Cart button on this page. Tender buyers can also see the Tenders and OEM page.
