From website: www.stefanelli.eng.br - prof.: Eduardo Stefanelli

exercise | reading | interpretation | |||
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sleeve scale | thimble scale | vernier | |||

x 0.50mm | x 0.01mm | x 0.001mm | frame + sleeve scale + thimble scale + vernier | ||

30 x 0.50mm = 15.0mm | 6 x 0.01mm = 0.06mm | 3 x 0.001mm = 0.003mm | 25mm + 15mm + 0.06mm = 40.063mm | The range of this micrometer is 25-50mm, the thimble is over the 15th mark of whole millimeters and passed from their mark 6th, in the vernier is the 3rd mark that is aligned. Is: 25mm + 15mm + 0.06mm + 0.003mm. Its indication is: 40.063mm. | |

35 x 0.50mm = 17.5mm | 39 x 0.01mm = 0.39mm | 4 x 0.001mm = 0.004mm | 150mm + 17mm + 0.50mm + 0.39mm = 167.894mm | The range of this micrometer is 150-175mm, the thimble turned to the 17th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 39th, in the vernier is the 4th mark that is aligned. Is: 150mm + 17mm + 0.50mm + 0.39mm + 0.004mm. Its indication is: 167.894mm. | |

26 x 0.50mm = 13.0mm | 38 x 0.01mm = 0.38mm | 7 x 0.001mm = 0.007mm | 25mm + 13mm + 0.38mm = 38.387mm | The range of this micrometer is 25-50mm, the thimble turned to the 13th mark of whole millimeters and passed from their mark 38th, in the vernier is the 7th mark that is aligned. Is: 25mm + 13mm + 0.38mm + 0.007mm. Its indication is: 38.387mm. | |

43 x 0.50mm = 21.5mm | 40 x 0.01mm = 0.40mm | 1 x 0.001mm = 0.001mm | 175mm + 21mm + 0.50mm + 0.40mm = 196.901mm | The range of this micrometer is 175-200mm, the thimble turned to the 21th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 40th, in the vernier is the 1st mark that is aligned. Is: 175mm + 21mm + 0.50mm + 0.40mm + 0.001mm. Its indication is: 196.901mm. | |

42 x 0.50mm = 21.0mm | 15 x 0.01mm = 0.15mm | 8 x 0.001mm = 0.008mm | 275mm + 21mm + 0.15mm = 296.158mm | The range of this micrometer is 275-300mm, the thimble turned to the 21th mark of whole millimeters and passed from their mark 15th, in the vernier is the 8th mark that is aligned. Is: 275mm + 21mm + 0.15mm + 0.008mm. Its indication is: 296.158mm. | |

22 x 0.50mm = 11.0mm | 3 x 0.01mm = 0.03mm | 6 x 0.001mm = 0.006mm | 25mm + 11mm + 0.03mm = 36.036mm | The range of this micrometer is 25-50mm, the thimble is over the 11th mark of whole millimeters and passed from their mark 3rd, in the vernier is the 6th mark that is aligned. Is: 25mm + 11mm + 0.03mm + 0.006mm. Its indication is: 36.036mm. | |

30 x 0.50mm = 15.0mm | 39 x 0.01mm = 0.39mm | 5 x 0.001mm = 0.005mm | 125mm + 15mm + 0.39mm = 140.395mm | The range of this micrometer is 125-150mm, the thimble turned to the 15th mark of whole millimeters and passed from their mark 39th, in the vernier is the 5th mark that is aligned. Is: 125mm + 15mm + 0.39mm + 0.005mm. Its indication is: 140.395mm. | |

43 x 0.50mm = 21.5mm | 17 x 0.01mm = 0.17mm | 8 x 0.001mm = 0.008mm | 21mm + 0.50mm + 0.17mm = 21.678mm | The range of this micrometer is 0-25mm, the thimble turned to the 21th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 17th, in the vernier is the 8th mark that is aligned. Is: 0mm + 21mm + 0.50mm + 0.17mm + 0.008mm. Its indication is: 21.678mm. | |

41 x 0.50mm = 20.5mm | 9 x 0.01mm = 0.09mm | 4 x 0.001mm = 0.004mm | 125mm + 20mm + 0.50mm + 0.09mm = 145.594mm | The range of this micrometer is 125-150mm, the thimble turned to the 20th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 9th, in the vernier is the 4th mark that is aligned. Is: 125mm + 20mm + 0.50mm + 0.09mm + 0.004mm. Its indication is: 145.594mm. | |

7 x 0.50mm = 3.5mm | 34 x 0.01mm = 0.34mm | 0 x 0.001mm = 0.000mm | 350mm + 3mm + 0.50mm + 0.34mm = 353.840mm | The range of this micrometer is 350-375mm, the thimble turned to the 3rd mark of whole millimeters and the by a mark of counter half mm and stopped in their mark 34th, in the vernier is the zero mark that is aligned. Is: 350mm + 3mm + 0.50mm + 0.34mm + 0.000mm. Its indication is: 353.840mm. | |

14 x 0.50mm = 7.0mm | 32 x 0.01mm = 0.32mm | 5 x 0.001mm = 0.005mm | 7mm + 0.32mm = 7.325mm | The range of this micrometer is 0-25mm, the thimble turned to the 7th mark of whole millimeters and passed from their mark 32th, in the vernier is the 5th mark that is aligned. Is: 0mm + 7mm + 0.32mm + 0.005mm. Its indication is: 7.325mm. | |

48 x 0.50mm = 24.0mm | 19 x 0.01mm = 0.19mm | 0 x 0.001mm = 0.000mm | 100mm + 24mm + 0.19mm = 124.190mm | The range of this micrometer is 100-125mm, the thimble turned to the 24th mark of whole millimeters and stopped in their mark 19th, in the vernier is the zero mark that is aligned. Is: 100mm + 24mm + 0.19mm + 0.000mm. Its indication is: 124.190mm. | |

41 x 0.50mm = 20.5mm | 37 x 0.01mm = 0.37mm | 7 x 0.001mm = 0.007mm | 150mm + 20mm + 0.50mm + 0.37mm = 170.877mm | The range of this micrometer is 150-175mm, the thimble turned to the 20th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 37th, in the vernier is the 7th mark that is aligned. Is: 150mm + 20mm + 0.50mm + 0.37mm + 0.007mm. Its indication is: 170.877mm. | |

15 x 0.50mm = 7.5mm | 3 x 0.01mm = 0.03mm | 6 x 0.001mm = 0.006mm | 275mm + 7mm + 0.50mm + 0.03mm = 282.536mm | The range of this micrometer is 275-300mm, the thimble turned to the 7th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 3rd, in the vernier is the 6th mark that is aligned. Is: 275mm + 7mm + 0.50mm + 0.03mm + 0.006mm. Its indication is: 282.536mm. | |

20 x 0.50mm = 10.0mm | 40 x 0.01mm = 0.40mm | 0 x 0.001mm = 0.000mm | 275mm + 10mm + 0.40mm = 285.400mm | The range of this micrometer is 275-300mm, the thimble turned to the 10th mark of whole millimeters and stopped in their mark 40th, in the vernier is the zero mark that is aligned. Is: 275mm + 10mm + 0.40mm + 0.000mm. Its indication is: 285.400mm. | |

34 x 0.50mm = 17.0mm | 24 x 0.01mm = 0.24mm | 7 x 0.001mm = 0.007mm | 125mm + 17mm + 0.24mm = 142.247mm | The range of this micrometer is 125-150mm, the thimble turned to the 17th mark of whole millimeters and passed from their mark 24th, in the vernier is the 7th mark that is aligned. Is: 125mm + 17mm + 0.24mm + 0.007mm. Its indication is: 142.247mm. | |

2 x 0.50mm = 1.0mm | 22 x 0.01mm = 0.22mm | 9 x 0.001mm = 0.009mm | 125mm + 1mm + 0.22mm = 126.229mm | The range of this micrometer is 125-150mm, the thimble turned to the 1st mark of whole millimeters and passed from their mark 22th, in the vernier is the 9th mark that is aligned. Is: 125mm + 1mm + 0.22mm + 0.009mm. Its indication is: 126.229mm. | |

37 x 0.50mm = 18.5mm | 3 x 0.01mm = 0.03mm | 9 x 0.001mm = 0.009mm | 25mm + 18mm + 0.50mm + 0.03mm = 43.539mm | The range of this micrometer is 25-50mm, the thimble turned to the 18th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 3rd, in the vernier is the 9th mark that is aligned. Is: 25mm + 18mm + 0.50mm + 0.03mm + 0.009mm. Its indication is: 43.539mm. | |

21 x 0.50mm = 10.5mm | 43 x 0.01mm = 0.43mm | 6 x 0.001mm = 0.006mm | 125mm + 10mm + 0.50mm + 0.43mm = 135.936mm | The range of this micrometer is 125-150mm, the thimble turned to the 10th mark of whole millimeters and the by a mark of counter half mm and passed from their mark 43th, in the vernier is the 6th mark that is aligned. Is: 125mm + 10mm + 0.50mm + 0.43mm + 0.006mm. Its indication is: 135.936mm. | |

0 x 0.50mm = 0.0mm | 8 x 0.01mm = 0.08mm | 2 x 0.001mm = 0.002mm | 200mm + 0mm + 0.08mm = 200.082mm | The range of this micrometer is 200-225mm, the thimble turned to the mark zero of whole millimeters and passed from their mark 8th, in the vernier is the 2nd mark that is aligned. Is: 200mm + 0mm + 0.08mm + 0.002mm. Its indication is: 200.082mm. |