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The Weights and Measures Regulations 1963
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- 1963 No. 1710
- SCHEDULE 1
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SCHEDULE 1PRESCRIBED LIMITS OF ERROR UPON THE TESTING OF MEASURES AND WEIGHTS
PART ILINEAR MEASURES
1. The prescribed limits of error for linear measures shall be—
(a)in relation to the passing of any such measure as fit for use for trade, the appropriate amount specified in paragraph 2 or 3, as the case may be, of this Part of this Schedule;
(b)in relation to the obliteration of the stamp on any such measure, an amount equal to four times the appropriate amount specified in paragraph 2 or 3, as the case may be, of this Part of this Schedule.
2. Imperial system
| End measures | Line measures | |||
|---|---|---|---|---|
| Measures made of metal: purported value | Error in excess | Error in deficiency | Error in excess | Error in deficiency |
| inches | inches | inches | inches | |
| Under 1 foot | 0.01 | 0.01 | 0.005 | 0.002 |
| 1 foot to 1 yard inclusive | 0.03 | 0.015 | 0.02 | 0.01 |
| Above 1 yard and under 10 feet | — | — | 0.05 | 0.05 |
| 10 feet and under 50 feet | — | — | 0.2 | 0.2 |
| 50 feet to 100 feet inclusive | — | — | 0.3 | 0.3 |
In the case of measures made of material other than metal, the foregoing amounts of error shall be increased to double the said amounts.
3. Metric system
| End measures | Line measures | |||
|---|---|---|---|---|
| Measures made of metal: purported value | Error in excess | Error in deficiency | Error in excess | Error in deficiency |
| millimetres | millimetres | millimetres | millimetres | |
| 1 millimetre | 0.25 | 0.025 | 0.05 | 0.025 |
| 1 centimetre | 0.2 | 0.1 | 0.1 | 0.05 |
| 1 decimetre | 0.5 | 0.25 | 0.2 | 0.1 |
| 1 metre | 1 | 0.5 | 0.5 | 0.5 |
| 2 and 3 metres | 2 | 1 | 1 | 1 |
| 10 metres | — | — | 5 | 5 |
| 20 metres | — | — | 7.5 | 7.5 |
In the case of measures made of material other than metal, the foregoing amounts of error shall be increased to double the said amounts.
PART IICAPACITY MEASURES
1.—(1) The prescribed limits of error for capacity measures in relation to the passing of any such measure as fit for use for trade shall be the appropriate amount specified in paragraph 2 or 3, as the case may be, of this Part of this Schedule.
(2) The prescribed limits of error for capacity measures in relation to the obliteration of the stamp on any such measure shall be—
(a)in the case of a capacity measure other than an apothecaries measure—
(i)if the error found on testing is in deficiency, an amount equal to half the corresponding amount prescribed in relation to the passing of such measure as fit for use for trade;
(ii)if the error so found is in excess, an amount equal to the corresponding amount prescribed in relation to the passing of such measure as fit for use for trade;
(b)in the case of an apothecaries measure (and whether the error found on testing is in deficiency or excess), an amount equal to the corresponding amount prescribed in relation to the passing of such measure as fit for use for trade.
2. Imperial system
(a)Liquid measures, other than apothecaries measures
| Purported value | Error in excess only |
|---|---|
| ⅙ gill | ½ fluid drachm |
| ⅕ gill | ½ fluid drachm |
| ¼ gill | ½ fluid drachm |
| ⅓ gill | 1 fluid drachm |
| ⅖ gill | 1 fluid drachm |
| ½ gill | 1 fluid drachm |
| 4 fluid ounces | 1 fluid drachm |
| 1 gill | 2 fluid drachms |
| 6 fluid ounces | 2 fluid drachms |
| ⅓ pint | 2 fluid drachms |
| 8 fluid ounces | 3 fluid drachms |
| ½ pint | 3 fluid drachms |
| 1 pint | 4 fluid drachms |
| 1 quart | 1 fluid ounce |
| ½ gallon | 1 fluid ounce |
| 1 to 3 gallons inclusive | 2 fluid ounces |
| 4 to 7 gallons inclusive | 3 fluid ounces |
| 8 to 19 gallons inclusive | 5 fluid ounces |
| 20 to 32 gallons inclusive | 10 fluid ounces |
| 33 to 64 gallons inclusive | 15 fluid ounces |
(i)In the case of conical-shaped measures made of metal, the foregoing amounts of error (as tabulated) shall be decreased to half the said amounts.
(ii)In the case of milk churns of purported values of 4 to 32 gallons inclusive, the foregoing amounts of error (as tabulated) shall be increased to double the said amounts.
(iii)In the case of measures made of enamelled-metal, glass or earthenware where the purported value is defined by the brim, and of a purported value exceeding half a pint, the foregoing amounts of error (as tabulated) shall be increased to double the said amounts; and of a purported value of half a pint, the prescribed limit of error shall be half a fluid ounce in excess only.
(iv)In the case of subdivided measures, the error at any graduation shall not exceed that specified for a measure of equivalent purported value.
(b)Apothecaries measures
| Approximate internal diameter of measure at the graduation tested | Error in excess or in deficiency |
|---|---|
| Inches | Minims |
| ½ | ½ |
| ⅝ | 1 |
| ¾ | 2 |
| ⅞ | 3 |
| 1 | 4 |
| 1 ¼ | 6 |
| 1 ½ | 7 |
| 1 ¾ | 9 |
| 2 | 11 |
| 2 ½ | 14 |
| 3 | 18 |
| 3 ½ | 21 |
| 4 | 25 |
In the case of graduated measures made of glass in the form of burettes, the foregoing amounts of error shall be decreased to half the said amounts.
(c)Dry measures
| Purported value | Error in excess only |
|---|---|
| ½ pint | 5 fluid drachms |
| 1 pint | ¼ gill |
| 1 quart | ½ gill |
| ½ gallon | 1 gill |
| 1 gallon | 1 ½ gills |
| 1 peck (2 gallons) | 1 ½ gills |
| ½ bushel (4 gallons) | ½ pint |
| 1 bushel (8 gallons) | ½ pint |
3. Metric System
(a)Liquid measures made of metal, other than apothecaries measures.
| Purported value | Error in excess only |
|---|---|
| millilitre | |
| 1 millilitres | 0.05 |
| 2 millilitres | 0.1 |
| 5 millilitres | 0.25 |
| 10 millilitres | 0.5 |
| 20 millilitres | 1 |
| 25 millilitres | 1 |
| 50 millilitres | 2 |
| 100 millilitres | 2 |
| 200 millilitres | 5 |
| 250 millilitres | 5 |
| 500 millilitres | 10 |
| 1 litre | 15 |
| 2 litres | 25 |
| 2 ½ litres | 25 |
| 5 litres | 50 |
| 10 litres | 75 |
| 20 litres | 100 |
In the case of subdivided measures, the error at any graduation shall not exceed that specified for a measure of equivalent purported value.
(b)Liquid measures made of earthenware, glass or enamelled-metal, and measures made of other materials approved by the Board, other than apothecaries measures:—
| Purported value | Error in excess only |
|---|---|
| millilitres | |
| 200 millilitres | 10 |
| 250 millilitres | 10 |
| 500 millilitres | 25 |
| 1 litre | 50 |
| 2 litres | 100 |
| 2½ litre | 100 |
| 5 litre | 200 |
In the case of subdivided measures, the error at any graduation shall not exceed that specified for a measure of equivalent purported value.
(c)Apothecaries measures
| Approximate internal diameter of measure in millimetres at the graduation tested | Error in excess or in deficiency |
|---|---|
| millimetres | millilitres |
| 10 | 0.05 |
| 20 | 0.15 |
| 30 | 0.3 |
| 40 | 0.4 |
| 50 | 0.6 |
| 60 | 0.6 |
| 70 | 0.8 |
| 80 | 0.8 |
| 90 | 1 |
| 100 | 1 |
In the case of graduated measures made of glass in the form of burettes, the foregoing amounts of error shall be decreased to half the said amounts.
(d)Dry measures
| Purported value | Error in excess only |
|---|---|
| millilitres | |
| 200 millilitres | 10 |
| 500 millilitres | 25 |
| 1 litre | 50 |
| 2 litre | 100 |
| 2½ litres | 100 |
| 5 litres | 150 |
| 10 litres | 250 |
| 20 litres | 300 |
PART IIIWEIGHTS
1. The prescribed limits of error for weights (in relation both to passing the same as fit for use for trade and obliterating the stamp thereon) shall be those specified in paragraphs 2 and 3 of this Part of this Schedule.
2. Imperial system
(a)Avoirdupois weights:—
| Error in excess only (or, in relation to the obliteration of stamps, error in excess or deficiency) | ||
|---|---|---|
| Purported value | Weights made of iron | Weights not made of iron |
| ½ dram | — | 0.5 grain |
| 1 dram | — | 0.5 grain |
| 2 drams | — | 0.5 grain |
| 4 drams | — | 0.5 grain |
| 8 drams | — | 0.5 grain |
| 1 ounce | — | 1 grain |
| 2 ounces | — | 1 grain |
| 4 ounces | 4 grains | 2 grains |
| 8 ounces | 4 grains | 2 grains |
| 1 pound | 4 grains | 2 grains |
| 2 pounds | 6 grains | 3 grains |
| 4 pounds | 10 grains | 5 grains |
| 5 pounds | 10 grains | 5 grains |
| 7 pounds | 10 grains | 5 grains |
| 10 pounds | 16 grains | 8 grains |
| 14 pounds | 20 grains | 10 grains |
| 20 pounds | 20 grains | 10 grains |
| 28 pounds | 30 grains | 15 grains |
| 50 pounds | 40 grains | 20 grains |
| 56 pounds | 50 grains | 25 grains |
(b)Grain weights:—
| Purported value | Error in excess only (or, in relation to the obliteration of stamps, error in excess or deficiency) |
|---|---|
| 0.01 grain | 0.001 grain |
| 0.02 grain | 0.002 grain |
| 0.03 grain | 0.003 grain |
| 0.05 grain | 0.003 grain |
| 0.1 grain | 0.005 grain |
| 0.2 grain | 0.01 grain |
| 0.3 grain | 0.02 grain |
| 0.5 grain | 0.03 grain |
| 1 grain | 0.03 grain |
| 2 grains | 0.03 grain |
| 3 grains | 0.03 grain |
| 5 grains | 0.03 grain |
| 10 grains | 0.03 grain |
| 20 grains | 0.05 grain |
| 30 grains | 0.05 grain |
| 50 grains | 0.05 grain |
| 100 grains | 0.05 grain |
(c)Troy weights:—
| Purported value | Error in excess only (or, in relation to the obliteration of stamps, error in excess or deficiency) |
|---|---|
| 0.001 ounce troy | 0.03 grain |
| 0.002 ounce troy | 0.03 grain |
| 0.003 ounce troy | 0.03 grain |
| 0.004 ounce troy | 0.03 grain |
| 0.005 ounce troy | 0.03 grain |
| 0.01 ounce troy | 0.03 grain |
| 0.02 ounce troy | 0.03 grain |
| 0.025 ounce troy | 0.03 grain |
| 0.03 ounce troy | 0.03 grain |
| 0.04 ounce troy | 0.05 grain |
| 0.05 ounce troy | 0.05 grain |
| 0.1 ounce troy | 0.05 grain |
| 0.2 ounce troy | 0.05 grain |
| 0.3 ounce troy | 0.1 grain |
| 0.4 ounce troy | 0.1 grain |
| 0.5 ounce troy | 0.1 grain |
| 1 ounces troy | 0.2 grain |
| 2 ounces troy | 0.2 grain |
| 3 ounces troy | 0.3 grain |
| 4 ounces troy | 0.3 grain |
| 5 ounces troy | 0.3 grain |
| 10 ounces troy | 0.5 grain |
| 20 ounces troy | 1 grains |
| 30 ounces troy | 1 grains |
| 40 ounces troy | 2 grains |
| 50 ounces troy | 2 grains |
| 100 ounces troy | 3 grains |
| 200 ounces troy | 3 grains |
| 300 ounces troy | 4 grains |
| 400 ounces troy | 4 grains |
| 500 ounces troy | 4 grains |
(d)Apothecaries weights:—
| Purported value | Error in excess only (or, in relation to the obliteration of stamps, error in excess or deficiency) |
|---|---|
| 4 grains | 0.03 grain |
| 6 grains | 0.03 grain |
| ½ scruple | 0.03 grain |
| 1 scruple | 0.05 grain |
| 1 ½ scruples | 0.05 grain |
| 2 scruples | 0.05 grain |
| 1 drachm | 0.05 grain |
| 2 drachms | 0.1 grain |
| 4 drachms | 0.1 grain |
| 1 ounce apothecaries | 0.2 grain |
| 2 ounces apothecaries | 0.2 grain |
| 4 ounces apothecaries | 0.3 grain |
| 6 ounces apothecaries | 0.3 grain |
| 8 ounces apothecaries | 0.5 grain |
| 10 ounces apothecaries | 0.5 grain |
(e)Pennyweights—
| Purported value | Error in excess only (or, in relation to the obliteration of stamps, error in excess or deficiency) |
|---|---|
| 1 pennyweight | 0.05 grain |
| 2 pennyweights | 0.05 grain |
| 5 pennyweights | 0.05 grain |
| 10 pennyweights | 0.1 grain |
Metric system
3.—(a) Metric weights; other than carat (metric) weights:—
| Purported value | Error in excess only (or, in relation to the obliteration of stamps, error in excess or deficiency) | |
|---|---|---|
| Weights made of iron | Weights not made of iron | |
| 1 milligramme | — | 0.1 milligramme |
| 2 milligrammes | — | 0.2 milligrammes |
| 5 milligrammes | — | 0.2 milligrammes |
| 10 milligrammes | — | 0.5 milligrammes |
| 20 milligrammes | — | 1 milligramme |
| 50 milligrammes | — | 2 milligrammes |
| 100 milligrammes | — | 2 milligrammes |
| 200 milligrammes | — | 2 milligrammes |
| 500 milligrammes | — | 2 milligrammes |
| 1 gramme | — | 5 milligrammes |
| 2 grammes | — | 5 milligrammes |
| 5 grammes | — | 5 milligrammes |
| 10 grammes | — | 10 milligrammes |
| 20 grammes | — | 15 milligrammes |
| 50 grammes | — | 15 milligrammes |
| 100 grammes | 40 milligrammes | 20 milligrammes |
| 200 grammes | 100 milligrammes | 50 milligrammes |
| 500 grammes | 200 milligrammes | 100 milligrammes |
| 1 kilogramme | 400 milligrammes | 200 milligrammes |
| 2 kilogrammes | 600 milligrammes | 300 milligrammes |
| 5 kilogrammes | 1 gramme | 500 milligrammes |
| 10 kilogrammes | 2 grammes | 1 gramme |
| 20 kilogrammes | 3 grammes | 1.5 grammes |
(b)Carat (metric) weights:—
| Purported value | Error in excess only (or, in relation to the obliteration of stamps, error in excess or deficiency) |
|---|---|
| 0.01 carat (metric) | 0.2 milligramme |
| 0.02 carat (metric) | 0.2 milligramme |
| 0.05 carat (metric) | 0.2 milligramme |
| 0.1 carat (metric) | 0.2 milligramme |
| 0.2 carat (metric) | 0.5 milligramme |
| 0.25 carat (metric) | 0.5 milligramme |
| 0.5 carat (metric) | 0.5 milligramme |
| 1 carat (metric) | 1 milligramme |
| 2 carats (metric) | 1 milligramme |
| 5 carats (metric) | 1 milligramme |
| 10 carats (metric) | 1 milligramme |
| 20 carats (metric) | 1 milligramme |
| 50 carats (metric) | 2 milligrammes |
| 100 carats (metric) | 2 milligrammes |
| 200 carats (metric) | 5 milligrammes |
| 500 carats (metric) | 5 milligrammes |
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