... compressors, hydraulic presses & machinery, motors, winches, Where vibration occurs & pressure fluctuates constantly.1-1/2”(40 mm), 2”(50mm), 2 ... cm2, Hg, single and dual scale availableIntegrated connection availableApplications: all types of HVAC & Industrial application requiring accurate and uniform response ... steel systemsMany different stem lengths, connections and configurations pressure gauge