The anemometer and wind vane measure the wind. The cups of the anemometer catch the wind and make the anemometer spin. The faster it spins, the higher the wind speed.
The compass contains a magnetized metal disc. Its magnetic poles are lined up with the N and S letters, which show north and south. The disc spins so that the poles point towards the Earth’s magnetic poles, Which are near the Earth’s geographic poles.
The rain gauge measure how much rain has fallen. The funnel catches the rain and helps stop the water in the tube from evaporating. You can measure the rainfall by reading the markings on the tube.
The thermometer measures air temperature. The special liquid inside the bulb expand when it heats up, which makes it reach futher up the ube, showing a higher temperature. The liquid contracts again when it cools.
Two approval routines:
☆ Pre-production samples are sent to you before molding.
☆ Post-production samples are sent to you before mass production, and before sending samples, we send a picture to customers for first confirmation.
Our product has been widely used in Asia, Europe, North America, Africa, and other countries and regions.
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