1. Used widely in lubrication, oil-pressure, hydraulic and pneumatic systems, it can be installed inside a lubricator or in a pipe to detect pressure.

2. Two contact types are available: NO and NC. (a) NO: the diaphragm pressure switch continuously sends a signal when pressure reaches the set value. (b) NC: it continuously sends a signal while pressure remains below the set value.

3. DB series switches can be fitted with protective covers for water and dust protection; DBS series switches include covers.