12.07.2015 Views

Mitutoyo1001 Catalog.pdf - JW Donchin CO.

Mitutoyo1001 Catalog.pdf - JW Donchin CO.

Mitutoyo1001 Catalog.pdf - JW Donchin CO.

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Technical Data Parallelism Check between Measuring Facesby Means of Interference Fringe Producedby an Optical ParallelThe parallelism between the measuring faces can bedetermined as follows; place the optical parallel to the anviland observe the number of interference fringes producedon the spindle side under the measuring force of themicrometers.Fringe on the anvil side must not be more than one.Optical ParallelsSERIES 157FEATURESof measuring faces of micrometers.Flatness Check of Measuring Faces UsingInterference Fringe Pattern Produced by anOptical FlatSPECIFICATIONSMetricRange of micrometerto be checkedOrder No. Assortment of parallels0-25mm 157-903 25-50mm 157-904 25.12mm 25.25mm 25.37mm Optical FlatsSERIES 158FEATURESmicrometer's or gage block's measuringfaces with high accuracy.InchRange of micrometerto be checkedOrder No. Assortment of parallels0-1" 157-901 .5062" .5125" .5187" 1-2" 157-902 1.0000" 1.0062" 1.0125" 1.0187" SPECIFICATIONSMetricFlatness Order No. 158-117 158-119 158-118 158-120 US-1001InchFlatness Order No. .000004" 158-122 158-124 B-49

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