Paragraph 1 Test loadsI1
Northern Ireland
Every repaired meter shall be tested at each of the loads specified in Table 2, except that test number 2 in that Table may be omitted.
Every new meter shall be calibrated and tested at a sufficient number of load points so as to ensure that meter errors are not greater than the limits specified in paragraph 9.
A test for starting will also be carried out on new meters in accordance with test number 7 of Table 2.
The ratio errors shall be determined for voltage transformers that are intended for use with meters but are not tested with a meter.
Current transformers intended for use with meters but not tested with a meter shall be tested from 5% to 120% of rated current.
Annotations
Commencement
- I1
Sch. 1 para. 1n2 in operation at 1.2.1999, see reg. 1