Traduction de «appareil mesureur de différence » (Français → Anglais) :

Even if the sets are different makes and models, they can be charged simultaneously.

When the digital tachograph is introduced for vehicles put newly into service, two different checking devices will be in use during a transitional period.

However, separate provision should be made for each. This is so because, whereas apparatus as such is subject to free movement inside the Community, fixed installations on the other hand are installed for permanent use at a predefined location, as assemblies of various types of apparatus and where appropriate other devices.

(f) Pumps incorporating measuring devices, of heading No 84.13 ; weight-operated counting and checking machinery, or separately presented weights for balances (heading No 84.23) ; lifting or handling machinery (heading Nos 84.25 to 84.28) ; paper or paperboard cutting machines of all kinds (heading No 84.41) ; fittings for adjusting work or tools on machine-tools, of heading No 84.66, including fittings with optical devices for reading the scale (for example, "optical" dividing heads) but not those which are in themselves essentially optical instruments (for example, alignment telescopes) ; calculating machines (heading No 84.70) ; ...[+++] valves and other appliances (heading No 84.81);

This Directive shall apply to cold-water meters, which are integrating measuring instruments for continuously determining the volume of water (and no other liquid) passing through them, and which comprise a measuring device linked to an indicating device.

1.3". Periodic variation" means the maximum difference, during one working cycle, between the volume displaced by the moving components and the corresponding volume shown by the indicator, the latter being connected to the measuring device without play or slip and in such a way that it indicates at the end of the cycle and for this cycle a volume equal to the cyclic volume.