Общий каталог PRECITOOL - страница 673

Micrometers Measurement uncostainty U in % Snap gauge with dial comparator Design: Delivered - forged steel frame with heat insulating grips - probe in long guide way in case - opposite anvil sensitive adjustable - measuring spindle and anvil spindle made of stainless steel hardened and carbide tipped - adjustable centre stop for alignment to the centre of measuring surface - built-in force measuring spring Measuring faces: Planarity ≤ 0.2 µm/parallelism ≤ 1 µm for measuring range 0 - 25 mm Planarity ≤ 0.2 µm/parallelism ≤ 2 µm for measuring range 25 - 100 mm Use: - for cylindrical parts such as bolts, shafts, etc. - for thickness and length measurement - universally Display units: - mechanic dial comparator 320694 type 1002, 1003, 1004 - inductive dial comparator 320640 type 2000, 2001 Delivery: Without dial comparator Strong, forged steel frame with heat insulators All comparatoos with 8 mmshank applicable fineadjustment Measuring spindle 31 in long guidewayretractable by lifting lever Adjustable centring stop for Excellent planarity Probe tip and opposite anvil made alignment of the workpiece and parallelism of of stainless, hardened steel, to the centre of the the measuring measuring faces carbide-tipped, measuring surface faces optional ceramics (840 FC) Constant measuring force Measurement uncertainty U dependant Workpiece tolerance = 25 µm on workpiece tolerances Insecure area Secure area Insecure area Outside micrometer Comparator U = 8.5 µm U = 8.5 µm Snapgauges 840 F (34 %) (34 %) U = 2.1 µm(8.4 %) 20.8 µm (83.2 %) U = 2.1 µm(8.4 %) Insecure Secure Insecure area area area Workpiece tolerance in µm 310730 MAHR, 840 F Measuring rangemm 310730 Measuring area xmm Probe travel Measuring forcemmN 0-25   8 2.0 7.5 25-60   9 2.0 7.5 50-100  10 2.5 7.5 31/668 www.precitool.de