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The difference between dry water meters and wet water meters
A wet-type water meter is a meter in which the counter is submerged in water. The meter glass is subjected to water pressure, and the transmission between the sensor and the counter is achieved via gear linkage.
A dry-type water meter is a water meter in which the counter is not immersed in water. Structurally, the sensor’s chamber is isolated from the water, and the transmission between the sensor and the counter typically uses magnetic coupling.
Next, let me introduce the differences between dry water meters and wet water meters.
1. Different working environments
A wet-type water meter is immersed in water, while a dry-type water meter does not need to be immersed in water.

2. Does the watch glass withstand water pressure?
The glass cover of a wet-type water meter is subjected to water pressure, while the glass cover of a dry-type water meter is not.
3. The water meter’s mechanical sensor and counter have different transmission mechanisms.
The transmission in a wet-type water meter is gear-driven, while the transmission in a dry-type water meter is magnetically driven.
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Longzhida Company Successfully Hosted the Victory Parade Commemorating the War of Resistance.
Today is a day that every Chinese person should solemnly remember—the 80th anniversary of the victory of the Chinese People’s War of Resistance Against Japanese Aggression and the World Anti-Fascist War.
On July 2, Chengde Longzhida Company held a meeting with the Sino-German Institute. After thorough discussions between the two sides, Mr. Bai, General Manager of Longzhida Company, and the faculty team from the Sino-German Institute reached a consensus: Longzhida Company officially entrusted the Sino-German Institute to carry out the design and R&D work for a new type of ultrasonic water meter.
On May 30, Longzhida Company successfully held an exceptionally meaningful event titled “Welcoming the Eighth ‘National Science and Technology Workers’ Day’: Promoting the Spirit of Scientists.”