PART IIIUSE FOR TRADE OF COLD-WATER METERS
Maximum permissible error15
1
Where a cold-water meter is used for trade within a flowrate range set out in column 1 of the following Table, it shall operate within the maximum permissible error specified for that flowrate range set out in column 2 of that Table.
2
For the purposes of that Table, Q1, Q2 and Q4 have the meanings set out in paragraph 2 of Schedule 1.
Table
Column 1 | Column 2 |
|---|---|
Flowrate range | Maximum permissible error as a percentage of quantity delivered |
Q1 to < Q2 | ± 6% |
Q2 to and including Q4 | ± 2.5% |