PART IIIMANNER OF ERECTION AND USE FOR TRADE
Manner of use – belt speedI111
No person shall use for trade a beltweigher which is designed to operate—
a
at only one belt speed, in such a manner that the speed of the belt varies by more than 5% of its nominal speed, that is to say, the speed at which the belt is designed to convey material; or
b
at more than one belt speed, having a speed setting control, in such a manner that the speed of the belt varies by more than 5% of the speed at which it is set to operate, whether by the operator or automatically.