Regulation 6 Reference meters

the range of five consecutive tests with the same liquid at the same flowrate does not exceed 0.05 per cent of the quantity delivered on each test;

the linearity shall be such that the range of the means of any five consecutive tests with the same liquid within the flowrate range shall not exceed 0.1 per cent of the quantity delivered on each test; and

notwithstanding the application of corrections when a reference meter is used to test meter measuring systems in accordance with the Measuring Equipment (Liquid Fuel delivered from Road Tankers) Regulations 1983^f1 or the Measuring Instruments (EEC Requirements) Regulations 1988^f2, the relative error of the mean of any five consecutive tests shall not exceed 0.5 per cent of the quantity delivered on any test.