Sch 6 para 29 Manner of erection and installation
(1) An automatic discontinuous totaliser must be so positioned as to facilitate cleaning and testing. (2) If any special equipment for an automatic discontinuous totaliser is not a permanent fixture of the instrument, it must be kept in the vicinity of the instrument. (3) In this paragraph “ special equipment ” means equipment to allow the control of the measuring tasks. (4) An automatic discontinuous totaliser which has either a non-automatic zero-setting device or semi-automatic zero setting device must be erected in such a manner that the operator can readily take up a position from which he can check the zero and operate the zero setting controls.