Provers are high accuracy equipment used to verify test measures that are then used to verify volumes of liquids. The prover is used to calibrate state, county and private equipment for 50 to 100 gallon+ to National Institute of Standards and Technology (NIST) standards. This equipment is used to calibrate equipment used for fuel and liquid propane gas. 50 GALLON SLICKER PLATE PROVER SPECIFICATIONS Calibration: Factory calibrated using standards traceable to NIST Handbook 105-3 Nominal Capacity: 50 Gallon – Calibrated “to Deliver" at 60 °F Nominal Diameter: 30 Inches Nominal Height: 36 Inches Material: Type 304 Stainless Steel Drain Valve: Center drain, 2 Inch Butterfly Valve Design: Reinforcing Bands to prevent distortion of prover when full of liquid. Legs: (3) Adjustable feet for leveling Data Plate: Engraved Brass Top Rim of Neck: Machined Perpendicular to Axis So that excess liquid can be sheared off by sliding a plate across the top of the neck. Slicker Plate: 5" Glass Circle Slicker Plate
