The Weights and Measures (Local and Working Standard Capacity Measures and Testing Equipment) Regulations 1987

Regulations 3 and 15

SCHEDULE 1 Working Standard Capacity Measures and Testing Equipment

(excluding proving tanks, graduated measuring cylinders, displacement plungers and reference meters)

(a) Imperial		(b) Metric
Indicated capacity of or tolerance mark relating to—	Limit of error in millilitres	Indicated capacity of or tolerance mark relating to—	Limit of error in millilitres
1/4 gill or less	0.2	1 ml or 2 ml	0.1
1/3 gill	0.3	5 ml or 10 ml	0.2
2/5 gill or		20 ml or 25 ml	0.2
1/2 gill	0.4	50 ml	0.3
4 fl oz	0.5	100 ml	0.4
1 gill (5 fl oz)	0.6	125 ml	0.5
6 fl oz	0.7	150 ml	0.6
1/3 pt, 8 fl oz		175 ml	0.7
or 1/2 pt	0.8	200 ml or 250 ml	0.8
1 pt	1.0	500 ml	1.0
1 quart or 1/2 gal	2.0	1 l or 2 l	2.0
1 gal	5.0	2.5 l	2.5
2 gal	10.0	5 l	5.0
5 gal	20.0	10 l	10.0
more than 5 gal	0.1 per cent. more than 10 l	0.1 per cent.

Proving Tanks

The permitted limit of error on proving tanks shall be 0.02 per cent. of the nominal capacity

Graduated Measuring Cylinders

Nominal Capacity Metric	Limit of error
5 ml	0.2 ml
10 ml	0.2 ml
25 ml	0.25 ml
50 ml	0.5 ml
100 ml	0.8 ml
250 ml	1.5 ml
500 ml	2.0 ml
1000 ml	4.0 ml
2000 ml	8.0 ml
Imperial
1/4 gal	4.0 ml
1/2 gal	8.0 ml