Mid-West 122-AA-02-O(MA)-75P Differential Pressure Gauge with Aluminum Body and Stainless Steel Internals, 1 Reed Switch Clamp-On, Piston Type, 5% Full Scale Accuracy, 2-1/2" Dial, 1/4" FNPT End Connection, 0-75 psid Range, 3000 psig SWP

Mid-West Instrument piston type differential pressure gauge. Simple, rugged, compact design. Over-range protection to maximum pressure. Weather resistant construction standard. Shatter resistant acrylic lens. A low cost differential pressure gauge for use in measuring the pressure drop across filters, strainers, separators, valves, pumps, chillers, etc., and for local flow indication and control. Proof pressure: two times rated working pressure at ambient temperature. Aluminum body material. Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT end connections, 2-1/2-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-5 percent full scale (ascending). One reed switch (clamp-on). SPDT 3W, 0.25 Amp, 125 VAC/VDC (standard) (switch adjustable range of 10-100 percent).