ALTRACO VERNIER CALIPER Manual do Utilizador descarregar pdf (Página 13)

OUTSIDE MICROMETER

1. Clean the micrometer gently before use. Make sure the measuring

faces are clean.

2. Remove cutting chips, dust, burrs and other foreign substances from

the piece to be measured.

3. Standard rod and adjusting wrench:

They are used to calibrate micrometers. Micrometers should be

calibrated frequently. The length of the standard rod is 25mm for

5607 (25-50mm), 50mm for 5608 (50-75mm) and 75mm for 5609 (75-

100mm). 5606 (0-25mm) doesn’t have standard rod and it can be

regarded as having a standard rod of zero length. The reading must

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ALTRACO VERNIER CALIPER Manual do Utilizador Página 13