# The Weights and Measures (Local and Working Standard Capacity Measures and Testing Equipment) Regulations 1990, Schedule 3: WORKING STANDARD CAPACITY MEASURES AND TESTING EQUIPMENT


(excluding proving tanks, proving tanks for water, graduated measuring cylinders, displacement plungers, reference meters, reference meters for water, differential pressure gauges and piston provers)
(a) Imperial
(b) Metric
Indicated capacity of or tolerance mark relating to—
Limit of error
Indicated capacity of or tolerance mark relating to—
Limit of error
¼ gill or less
0.2 ml
1 ml or 2 ml
0.1 ml
⅓ gill
0.3 ml
5 ml or 10 ml
0.2 ml
⅓gill
0.3 ml
5 ml or 10 ml
0.2 gill
⅖ gill or ½ gill
0.4 ml
20 ml or 25 ml
0.2 ml
4 fl oz
0.5 ml
50 ml
0.3 ml
1 gill (5 fl oz)
0.6 ml
100 ml
0.4 ml
6 fl oz
0.7 ml
125 ml
0.5 ml
⅓ pt, 8 fl oz or ½ pt
0.8 ml
150 ml
0.6 ml
1 pt
1.0 ml
175 ml
0.7 ml
1 quart or ½ gal
2.0 ml
200 ml or 250 ml
0.8 ml
1 gal
5.0 ml
500 ml
1.0 ml
2 gal
10.0 ml
1 l or 2 l
2.0 ml
3 gal
15.0 ml
2.5 l
2.5 ml
4 gal
20.0 ml
5 l
5.0 ml
5 gal
20.0 ml
10 l
10.0 ml
more than 5 gal
0.1 per cent
more than 10 l
0.1 per cent

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Source: https://www.legislation.gov.uk/uksi/1990/2626/schedule/3 (the official version)
Page: https://openlegislation.uk/weights-and-measures-local-and-working-standard-capacity-measures-and-testing-equipment-regulations-1990/schedule-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.