61. The use for trade of the following equipment must comply with the requirements of Schedule 6—
(a)water meters for the supply of potable water in the temperature range from 0.1°C to and including 30°C;
(b)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)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 fuel 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)automatic catchweighers;
(e)automatic gravimetric filling instruments;;
(f)automatic discontinuous totalisers;
(g)automatic rail weighbridges;
(h)beltweighers;
(i)material measures of length; and
(j)capacity serving measures.