{"product_id":"starrett-51001-micrometer-calibration-standard-17-in","title":"Starrett 51001 Micrometer Calibration Standard 17 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe STARRETT 51001 is a spherical end micrometer calibration standard designed to verify and maintain the accuracy of outside micrometers used in precision measurement applications. At 17 inches in length and calibrated to an accuracy of 0.00025 inches, this standard provides a reliable reference for technicians and machinists who depend on traceable measurement verification. The included heat insulating handle minimizes thermal transfer from the user's hand to the standard, helping to eliminate measurement errors caused by thermal expansion during use.\u003c\/p\u003e\n\u003cp\u003eThis calibration standard is suited for quality control environments, tool rooms, and metrology labs where micrometer accuracy must be confirmed at regular intervals. It is used by machinists, calibration technicians, and quality assurance professionals working with large-range outside micrometers. The spherical end contact design ensures consistent point contact across a range of micrometer anvil geometries, making it practical for routine gauge certification workflows.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e17-inch length accommodates large-range outside micrometer verification\u003c\/li\u003e\n  \u003cli\u003eCalibrated accuracy to 0.00025 inches for precise reference measurement\u003c\/li\u003e\n  \u003cli\u003eSpherical end contacts provide consistent point contact with micrometer anvils\u003c\/li\u003e\n  \u003cli\u003eIncludes heat insulating handle to reduce thermal expansion error during handling\u003c\/li\u003e\n  \u003cli\u003eFactory calibrated for immediate use as a measurement reference standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a calibration reference standard for use with outside micrometers requiring a 17-inch range verification standard.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eCalibration standards should be handled by the insulating handle to prevent body heat from affecting the reference length. Store the standard in its case when not in use to protect contact surfaces from damage or contamination. Calibration should be performed in a temperature-controlled environment consistent with standard metrology practice. Consult applicable calibration procedures and quality management requirements before placing this standard into a formal gauge control program.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 17 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.00025 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibrated\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes Heat Insulating Handle\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.88 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: STARRETT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 51001\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STARRETT","offers":[{"title":"Default Title","offer_id":51541588803890,"sku":"51001","price":162.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/c590e75caee54f92d6a950c74f3d25f8.jpg?v=1785880037","url":"https:\/\/voomisupply.com\/products\/starrett-51001-micrometer-calibration-standard-17-in","provider":"Voomi Supply","version":"1.0","type":"link"}