... Division 2 hazardous locations and corrosive atmospheres, the 117 Series can be used to measure vacuum, pressure, differential pressure ... diaphragms. Rugged, reliable and cost effective, the 117 Series is an ideal choice for the most demanding applications; ... Parts Hermetically sealed snap switch, sPDt or DPDt Output terminal Block Wiring tamper-resistant set Point “lock” adjustable ranges:“wc ...