Sch 6 para 1
(1) This Schedule applies to the use for trade of regulated measuring instruments as follows— (a) Part 2 applies to water meters used for trade for the supply of potable water in the temperature range from 0.1°C to and including 30°C; (b) Part 3 applies to measuring systems which are used for the continuous and dynamic measurement in a quantity not exceeding 100 litres or 100 kilograms of a liquid fuel, lubricant or a mixture of fuel and lubricant other than— (i) liquefied petroleum gas; or (ii) liquefied natural gas; (c) Part 4 applies to measuring systems (other than one used in connection with the refuelling of aircraft, ships or hovercraft) which are used for the continuous and dynamic measurement in a quantity exceeding 100 litres or 100 kilograms of liquid fuels delivered from a road tanker other than— (i) liquefied gases; (ii) lubricating oils; (iii) liquid fuels of a temperature below -153°C; or (iv) liquid fuels of a dynamic viscosity exceeding 100 millipascal seconds at 15°C; (d) Part 5 applies to automatic catchweighers; (e) Part 6 applies to automatic gravimetric filling instruments; (f) Part 7 applies to automatic discontinuous totalisers; (g) Part 8 applies to automatic rail weighbridges; (h) Part 9 applies to beltweighers; (i) Part 10 applies to material measures of length; and (j) Part 11 applies to capacity serving measures. (2) In this Schedule, “ minimum measured quantity ” means, in relation to a measuring system, the smallest quantity of liquid fuel for which the measurement is metrologically acceptable for the measuring system.