Trois instruments de mesure de précision variable. Ces outils sont utilisés dans différentes circonstances, en fonction de la précision requise. Le moins une

• Contributeur: Science Photo Library
• ID de l’image: 2ADCX55
• Taille du fichier: 73,5 MB (3,4 MB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 5795 x 4436 px | 49,1 x 37,6 cm | 19,3 x 14,8 inches | 300dpi
• Date de la prise de vue: 18 janvier 2018
• Photographe: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Informations supplémentaires

Three measuring instruments of varying precision. These tools are all used in different circumstances, depending on the accuracy required. The least accurate is the tape measure (centre), which measures distance of up to 10 metres. They are commonly used to find the dimensions of a room, and distances of a similar scale. The digital calliper gauge (top) is used to measure smaller distances; between 0 and 15 centimetres with an accuracy of 2 hundredths of a millimetre. The jaws allow the measurement of both the outer and inner dimensions of an object. The micrometre screw gauge (bottom) is the most precise. It is used to measure distances of up to two and a half centimetres, and it is accurate to within one hundredth of a millimetre.

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• accuracy
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• centimètres
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• gauge
• intstruments
• numerique
• papier quadrillé
• precis