Gauge Blocks with a Calibrated CTE Gauge Blocks with a Calibrated Coefficient of Thermal Expansion These are metric gauge blocks with a calibrated coefficient of thermal expansion. They offer you the following benefits: • Mitutoyo offers top-level gauge blocks (steel and ceramic) which are superior to K class blocks, with their quality supported by Mitutoyo‘s best technologies. • They feature an accurately calibrated thermal expansion coefficient measured with a proprietary double-faced interferometer (DFI). • Each gauge block is calibrated for length on a highly accurate gauge block interferometer (GBI) system. • Uncertainty of thermal expansion coefficient: 0,035 x 10-6 /K (k=2). • Uncertainty of length measurement: 30 nm (k=2), for 100mm blocks. Calibration Certificate Metric Steel No. Length [mm] Accuracy Grade Material Mass [g] 611681-01B 100 EN ISO 3650, Grade K K Steel 245 611802-01B 125 EN ISO 3650, Grade K K Steel 306 611803-01B 150 EN ISO 3650, Grade K K Steel 368 611804-01B 175 EN ISO 3650, Grade K K Steel 430 611682-01B 200 EN ISO 3650, Grade K K Steel 490 611805-01B 250 EN ISO 3650, Grade K K Steel 613 611683-01B 300 EN ISO 3650, Grade K K Steel 735 611684-01B 400 EN ISO 3650, Grade K K Steel 980 611685-01B 500 EN ISO 3650, Grade K K Steel 1225 Ceramic No. Length [mm] Accuracy Grade Material Mass [g] 613681-01B 100 EN ISO 3650, Grade K K Ceramic 189 613802-01B 125 EN ISO 3650, Grade K K Ceramic 228 613803-01B 150 EN ISO 3650, Grade K K Ceramic 275 613804-01B 175 EN ISO 3650, Grade K K Ceramic 322 613682-01B 200 EN ISO 3650, Grade K K Ceramic 370 613805-01B 250 EN ISO 3650, Grade K K Ceramic 464 613683-01B 300 EN ISO 3650, Grade K K Ceramic 275 613684-01B 400 EN ISO 3650, Grade K K Ceramic 748 613685-01B 500 EN ISO 3650, Grade K K Ceramic 937 To each final dimension a factory certificate is supplied. • Uncertainty of thermal expansion coefficient : 0,035 x 10-6/K (k=2) • Uncertainty of length measurement : 30 nm (k=2), for 100 mm blocks. All products to be sold to commercial customers. Product illustrations are without obligation. Product descriptions, 352 All products to be sold to commercial customers. Product illustrations are without obligation. Product descriptions, in particular any and all technical specifications, are only binding when explicitly agreed upon.
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