Home / Products / Pressure / Differential Pressure / Gage / Switches - Dial Products Calibration Services DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Pressure DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Air Quality DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Air Velocity DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Flow DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Level DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Temperature DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Test Equipment DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Valves DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Miscellaneous DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Hazardous Rated DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Series MP Compact, Low Cost Switch/Gage Mini-Photohelic® Differential Pressure Switch/Gage combines the differential pressure gage with two SPDT switching set points. Designed to measure and control positive, negative, or differential pressures. View More Series 3000MR/3000MRS Combines Differential Pressure Gage with Low/High Set-Points, Compact Size Photohelic® Switch/Gage combines functions of a precise, highly repeatable differential pressure switch with a large analog pressure gage. Applications include air conditioning systems and pneumatic conveying. View More Series A3000 3-in-1 Indicating Gage, Lo-limit and Hi-limit Control Photohelic® Pressure Switch/Gage functions as versatile, highly repeatable pressure switch combined with a precise pressure gage. Applications include air conditioning systems, clean rooms, and fume exhaust systems. View More Series AT-3000MR/MRS 3000MR or 3000MRS Series in Flameproof ATEX/IECEx Enclosures ATEX/IECEx Approved Photohelic® Switch/Gage combines the functions of a precise, highly repeatable differential pressure switch with a large easy-to-read analog pressure gage. View More Series AT-A3000 Photohelic® Switch/Gages in Flameproof ATEX/IECEx Enclosures The flameproof and precise pressure switch/gage measures and controls positive, negative or differential pressures of air and compatible gases. View More