22.—(1) No person may use for trade an automatic gravimetric filling instrument unless—U.K.
(a)it is compliant with the essential requirements other than the provisions relating to permissible errors;
(b)the instrument operates within the limits of the maximum permissible error determined in accordance with paragraph 23;
(c)the requirements of paragraphs 24 and 25 are complied with;
(d)it has been erected and installed in accordance with the requirements of paragraph 26;
(e)subject to paragraph (f), where test fills are required these limits are determined on the basis of consecutive fills; and
(f)in the case of an instrument of the description and maximum capacity set out respectively, in columns 1 and 2 of the Table set out in this paragraph, it is within the accuracy class specified for that instrument in column 3 or within an accuracy class of a higher level of precision than the specified class.
| Description of use of filling instrument | Maximum capacity of filling instruments | Accuracy Class |
|---|---|---|
| (1) | (2) | (3) |
| For use for weighing potato crisps and other snack foods | Any capacity | X(2) |
| For use for weighing solid fuel | 110 kg or less | X(1) |
| For use for weighing vegetable produce | 55 kg or less | X(1) |
| For weighing waste | Any capacity | X(1) |
| For use for weighing materials not described in any of the above | Less than 5 kg | X(1) |
| 5 kg or more | X(0.5) |