Overview
ABSTRACT
Industry makes use of many automatic weighing devices. They are used to sort pre-packages, fill drums, cans, weigh minerals continuously, and weigh moving trains. They allow the weighing of large amounts of material with no human intervention. This paper reviews the operation of these special devices, the essential requirements that are applicable, and their verification.
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Read the articleAUTHOR
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Denis LOUVEL : Scientific metrology product manager - Mettler-Toledo SAS, Viroflay, France
INTRODUCTION
Automatic weighing instruments (IPFA) are instruments that perform a series of weighing operations, without the intervention of an operator and according to a pre-set program.
Their mode of operation is adapted to the use for which they have been designed, and to the types of product they are designed to handle.
Integrated into manufacturing and/or handling lines, they represent major investments that make an effective contribution, from both the technical and economic points of view and over a wide range of weights, to managing the storage and packaging of a wide variety of products: powders, granules, lumps, etc. in a very wide range of industrial and food sectors: chemicals, mining resources, building materials, quarries, harvesting and marketing – wholesale and retail – of agricultural products, pharmaceuticals, environment (waste treatment), food sectors, etc.
At the end of the article, readers will find a glossary of important terms and expressions.
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KEYWORDS
totalizing | Automatic catchweighing | Gravimetric filling | Automatic rail-weighbridges | Weighing road vehicles in motion | Metrology | industry | regulation | Commercial transations
Automatic Weighing Instrument - Essential requirements for the AWI
IPFA categories
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