Displacer actuated external cage liquid level switches are external cage units that utilize a single switch mechanism for level alarm or control functions in higher pressure applications.
Literature
Additional Tools:
Measurement Principle:
Liquid level movement changes the buoyancy force on a displacer suspended from a range spring. The force change on the spring causes it to expand or contract, moving an attraction sleeve into or out of the field of the switch magnet, actuating the switch.
Features:
Fabricated carbon steel cages are standard
B74 available with 304 or 316 stainless steel cages as standard