Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G01L21/02—Vacuum gauges having a compression chamber in which gas, whose pressure is to be measured, is compressed
G01L21/04—Vacuum gauges having a compression chamber in which gas, whose pressure is to be measured, is compressed wherein the chamber is closed by liquid; Vacuum gauges of the McLeod type
Druckschalter für eine elektrische Warnvorrichtung, insbesondere zur Überwachung des Druckes in einem mit Unterdruck betriebenen Bremskraftverstärker einer Kraftfahrzeugbremsanlage