Special Features:

C/o base plate; pneumatic fittings; electrical cable assembly; pneumatic hose assembly; bell jar

Properties:

An item designed to simulate ascent and descent in a pneumatic system, and to indicate the equivalent altitude at which the baroswitch contacts operate. It also tests elements of open-on-ascent and close-on-descent baroswitch assemblies (either remote or nonremote setting), portions of wiring within the assemblies and pressure checks the complete barometric system of a rocket, guided missile, or the like.