Product Highlights Visible calibrated dial On/off indication (except hermetically sealed snap switch models) Adjustable or fixed deadband SPDT snap-action, hermetically sealed snap action or hermetically sealed mercury switch External switch setpoint adjustments Minimum deadband is obtainable at any point in the range Pressure Ranges of full vacuum to 8000 psig UL listed, CSA approved. Many models FM approved General purpose, weatherproof or explosion-proof enclosures Snap Switch, Hermetically Sealed Brass Standard with Bottom Connection 9-64, SPDT 10 - 200 psig