Gauges, namely, vacuum for use in visually indicating the vacuum level of a connected vacuum system; meters, namely, digital indicators for conversion of pressure, vacuum, temperature, force, flow and other physical property measurements into electronic signals; test kits, namely, carrying cases containing testing and diagnostic equipment such as meters, transducers and transmitters for evaluation of pressure, vacuum, temperature, force, flow and other physical properties; thermometers not fo...

Pressure Gauges for Use in Visually Indicating the Fluid Pressure of a Connected Pressurized System