Requirements
3. The requirements are that —
(a)in respect of any means of storage or transport other than those mentioned in the following sub-paragraphs of this paragraph, the instrument shall be a system suitable for the monitoring, at frequent and regular intervals, of air temperatures within such means;
(b)in respect of storage in a cold chamber with a capacity of less than 10m3 on premises used for placing quick-frozen foodstuffs on the market for retail purposes, the instrument shall be a thermometer so placed as to be easily visible;
(c)in respect of storage in a retail display cabinet (other than an open retail display cabinet) the instrument shall be one or more thermometers so placed as to be easily visible;
(d)in respect of storage in an open retail display cabinet, the instrument shall be one or more thermometers so placed as to be easily visible and indicating the temperature at the air return side at the level of the clearly marked maximum load line for that cabinet;
(e)in respect of a means of transport other than-
(i)a vehicle registered outside the United Kingdom, or
(ii)a means of transport when being used in the course of local distribution,
the instrument shall be a system for monitoring air temperatures that-
(aa)has an accuracy of plus or minus 1oC when its sensor is measuring a temperature within the range of –25oC to +30oC,
(bb)has a measuring accuracy which does not change by more than plus or minus 0.5oC when it is operating in temperatures within the range of –20oC to +30oC,
(cc)has a display resolution of not more than 1oC, and
(dd)is robust and shockproof;
(f)in respect of a vehicle registered outside the United Kingdom, the instrument shall be an instrument which has been approved by the competent authority in the country in which the vehicle is registered; and
(g)in respect of means of transport when being used in the course of local distribution, the instrument shall be one or more thermometers so placed as to be easily visible.