Specifications include, but are not limited to: Measures officials to test the accuracy of the delivery from a fuel delivery truck. The official conducts the testing and inspection of the delivery equipment on a yearly basis to ensure both the consumer and the device owner have an accurate measure of the product delivered. This unit shall meet the following requirements: 2.1.Construction 2.1.1.Built to N.I.S.T. handbook 105-3 standards and API manual of petroleum measurement standards chapter 4 2.1.2.Calibration 2.1.2.1. Factory certified using standards traceable to national institute of standards and technology 2.1.3.Nominal capacity 2.1.3.1. 100 gallon - calibrated "to deliver" at 60 deg f 2.1.4.Nominal diameter 2.1.4.1. 42 inches 2.1.5.Nominal height 2.1.5.1. 60 inches 2.1.6.Material 2.1.6.1. Type 304 stainless steel 2.1.7.Drain valve 2.1.7.1. Center drain, 2 inch butterfly valve 2.1.8.Design 2.1.8.1. Reinforcing bands to prevent distortion of prover when full with liquid and when being transported. 2.1.9.Temperature measurement 2.1.9.1. (1) stainless steel thermometer well located so that the closed end is at the approximate center of the prover. 2.1.10. Level indication 2.1.10.1. (2) spirit levels located 90 deg from one another 2.1.11. Volume indication 2.1.11.1. Aluminum graduated scale 2.1.12. Scale resolution 2.1.12.1. 5 cubic inch minor graduations 2.1.13. Required scale range 2.1.13.1. ± 175 cubic inches. The gauge scale shall be graduated both above and below the nominal capacity graduation by an amount not less than 1.5 % of the prover volume 2.1.14. Tolerance 2.1.14.1. 0.02% scale accuracy 2.1.15. Data plate 2.1.15.1. Engraved brass 2.1.16. Gauge glass fitting 2.1.16.1. Stainless steel...