Area Approvals & Certifications Temperature - Operating RangeGenderProcess Connection TypeSet Point - Adjustable or FixedSet Point - IncreasingSwitch StyleSet Point - DecreasingProcess Connection O-Ring MaterialIP RatingsNEMA Ratings Process Connection Material Housing Material Switch Type Voltage RatingCurrent RatingSystem Pressure - MaximumProof Pressure - MaximumProcess-Isolating Diaphragm MaterialArea Classification - Class, Div. & Zone Rating