LFDS630(630/631/632)series is made by high-reliability sensor to measure pressure. After disposed by back-end circuit, the signal shows on displayer and automatically control relay output when pressure changes. With design of engineering plastic shell and high-contrast LCD displayer, this series product can be used in various industrial fields. Kinds of connection types can meet different installation requirements. User can adjust parametersfreely, with variety of settings built-in, it’s flexible and convenient. LFDS63(630/631/632)series is with features of anti-vibration, long lifetime, easy operation, high stability and clear display.