3. Using the scales
3.1 Ergonomics
Weighing environments and the way scales are used can jeopardize health and productivity. For example, prolonged and repetitive weighing tasks can be carried out by the operator in awkward postures, with mechanical overloads and heavy visual concentration. Eye disorders and musculoskeletal disorders (upper limbs and neck) are the most common laboratory injuries.
To protect operators' health and optimize productivity, the work environment and the equipment used must be configured according to basic ergonomic rules.
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Seated position
Is a weighing table available for high-precision tasks? Do the arms rest on the work surface, armrests or flexible supports during prolonged weighing...
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Using the scales
Physical influences on weighing results
Bibliography
Standards
- Quality management systems – Basic principles and vocabulary - NF EN ISO 9000 - 2015
- Quality management systems – Requirements - NF EN ISO 9001 - 2015
- Aspects métrologiques des instruments de pesage à fonctionnement non automatique - NF EN 45501 - 2015
- Vocabulaire international des termes fondamentaux et généraux de métrologie (VIM) - NF X07-001 (annulée) - 1994
- International Vocabulary of Metrology...
Regulations
International Recommendation OIML R76-1, "Non-automatic weighing instruments – Part 1: Metrological and technical requirements – Tests" available from the Bureau International de Métrologie Légale (Paris).
OIML International Recommendation R33, "Conventional value of air weighing results", available from the Bureau International de Métrologie Légale (Paris).
International recommendations...
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