Mid-West Instrument Model 835 provides the capability for testing all brands of reduced pressure principle, pressure vacuum breaker, and double check valve backflow prevention assemblies. It is capable of performing all known test procedures including those recommended by ASSE, AWWA, FCCC and HR-USC, and NEWWA. NEW Quick Release Latch Pin Mechanism – Gage can be removed from the case with ease – One pull of the latch pin and it’s out. The test kit features improvements developed over thirty years as the industry standard, including filters on all hoses, a compartment for storing various adaptor fittings and kit suspension chain, and a rugged, molded plastic carrying case with removable cover for ease of use. Test procedures are laminated in clear plastic and stored in the lid of the test kit case. Specifications Gauge Type Diaphragm Differential Pressure Dial Size & Range (4-1/2″) 0-15 PSID / 0-100 KPA Differential Pressure Accuracy ± .2 P.S.I.D. (Descending) Working Pressure: 200 PSIG Body Material: Glass Reinforced Engineering Thermoplastic Wetted Internals: EP Elastomers, Brass and 316 S.S. Metal Parts Line Pressure Gauge: 1-1/2″ 0-200 PSIG Hoses & End Fittings: Buna-N jacket and liner. Schrader 1/4″ brass coupler Hose Length: Three (3) each / 5′ long (color-coded) Bleed Tube, One each / 4′ long clear bleed tube Adaptor Fittings: (3) sets of brass fittings provided for hookup to all standard size test cocks Gauge Weight: 3.6lbs / 1.6kg Weight, Gauge & Case combined: 11.6lbs / 5.2kg Case: Polyethylene Size: 16″H x 14″W x 8-3/4″D Temperature Limitations: Maximum 150°F/65°C FREEZING TEMPERATURES MUST BE AVOIDED! Certificate of Calibration: Includes a 1 year N.I.S.T. traceable certificate