THROW-IN TYPE LIQUID LEVEL INDICATOR

摘要

PURPOSE: To enhance the reliability and durability of detector, electric component, etc., by surely preventing the atmospheric moisture from intruding into the detector and being accumulated therein through a relatively simple structure. ;CONSTITUTION: A vessel 21 for containing an inert liquid 20 is set in an interconnection box. A pipe 8 is immersed, at one end 8a thereof, into the liquid 20 and connected, at the other end thereof, with a pressure sensor. Atmospheric pressure is held within the pipe 8. Another pipe is connected, at one end 22a thereof, with the vessel 21 and opened to the atmosphere at the other end thereof. When the atmospheric pressure varies, the liquid level within the vessel 21 varies and thereby the pressure in the pipe 8 varies.;COPYRIGHT: (C)1996,JPO