توضیحات
Masoneilan’s 12000 Series line of liquid level control instruments include pneumatic controllers, pneumatic transmitters, electronic transmitters, and mechanical level switches.
The 12000 Serires, so called “long range” or “torque tube” types of level controllers, are commonly calssified as the “displacement” type. Actually, this designation applies also to ball float type controllers, since the float ised for level measurement displaces its won weight in the liquid in whcih it floats. The distinction is that ball float controllers are constant-displacement types and the torque tube variety are variable-displacement types.
نقد و بررسیها
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