Why Look For Details In Weights & Measures Approvals

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METTLER TOLEDO specializes in the area of precision instruments for professional use. METTLER TOLEDO laboratory instruments are used in research, scientific, drug discovery, and quality control labs, amongst many others in the pharmaceutical, chemical, food and cosmetics industries. METTLER TOLEDO comprehensive industrial solutions cover the various steps in a host of manufacturing processes at many of the same customers that laboratory serves. Solutions range from receiving raw materials through various manufacturing processes, in-line process control and end-of-line packaging control, to logistics and shipping. Increasingly, these solutions are fully integrated into the customer’s IT environment, helping automate their workflows. In food retail, our offering for fresh food management ranges from receiving and pre-packaging, to in-store solutions for self-service departments, deli counters, and checkout terminals

Approvals can have limitations

To be of value an approval needs to be valid for measuring the goods you handle. A typical pitfall is measuring irregular shaped parcels and pallets as if they were cubic. Many automatic systems on the market are only approved to measure regular, solid shapes, while in reality all shipments aren’t nice and square.Before purchasing a dimensioning and weighing system, start by evaluating your goods. What shapes, sizes and wrapping do you normally handle? Taking the time to rigorously analyze the offering on the market and how well the system matches your needs, can be time well spent.

Which details to look for

Approvals contain a lot of information and technical details. The most important factors which can cause difficulties concern the shipments’ shape and wrapping. Some technologies are not good enough for measuring irregular shapes as accurately as required in legal for trade applications. This is normally due to the fact that the instrument cannot see the whole parcel or pallet. This is illustrated under the section “Pallet with protrusions”.

Another challenge for some technology used is the capability of measuring black plastic and transparent surfaces which is typical wrapping on pallets.

Here are some examples from approvals to illustrate these limitations:

• The instrument is used to calculate the dimensions of an opaque hexahedron object.

• Garment bags, sacks and other soft, flexible objects with non-cuboidal shapes are not suited for measurement by the instrument

• Transparent objects and objects packed in transparent wrapping (e.g. bubble wrap plastic) are not suitedfor this type of measuring


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