SCHEDULE 1

PART 2INSTRUMENT SPECIFIC REQUIREMENTS

Part AWater Meters

MPE18

1

The MPE, positive or negative, on volumes delivered at flowrates between the transitional flowrate (Q2) (included) and the overload flowrate (Q4) is—

a

2% for water having a temperature ≤ 30 °C,

b

3% for water having a temperature > 30°C.

2

The MPE, positive or negative, on volumes delivered at flowrates between the minimum flowrate (Q1) and the transitional flowrate (Q2) (excluded) is 5% for water having any temperature.