{"product_id":"mitutoyo-2776acal-dial-drop-indicator-1-in-nist-calibrated","title":"Mitutoyo 2776ACAL Dial Drop Indicator 1 in Nist Calibrated","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MITUTOYO 2776ACAL is a dial drop indicator designed for precise vertical displacement measurement on the shop floor, inspection bench, or machine setup. It covers a 1-inch total range with 0.0005-inch graduations and an accuracy of 0.002 inches, making it suitable for fine tolerance work in machining, tooling, and quality control applications. The indicator uses a jeweled bearing mechanism to extend service life and maintain consistent measuring force of 2.50 N across the full stroke. A lug back mount allows rigid fixation to a variety of indicator holders and stands. The unit ships NIST-traceable calibration certification included, meeting documentation requirements for regulated inspection environments.\u003c\/p\u003e\n\u003cp\u003eThis dial drop indicator is used in metrology, machine tool setup, fixture alignment, and incoming inspection across manufacturing, maintenance, and tool-room environments. The 0-50 dial reading with 0.0005-inch increments supports close-tolerance checks on machined surfaces, press fits, and runout verification. Its scratch and chemical-resistant construction suits it for production floor conditions. Licensed metrology technicians, machinists, and quality inspectors are the primary users. The lug back configuration is commonly used when mounting to a post-style holder or a surface-plate stand arm.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1-inch measuring range with 0.0005-inch dial graduation for fine-tolerance inspection\u003c\/li\u003e\n  \u003cli\u003eAccuracy of 0.002 inches across the full range\u003c\/li\u003e\n  \u003cli\u003eJeweled bearing mechanism for extended service life and repeatable measuring force\u003c\/li\u003e\n  \u003cli\u003eLug back mount for compatibility with standard indicator holders and post stands\u003c\/li\u003e\n  \u003cli\u003eNIST-traceable calibration certificate included for regulated inspection documentation\u003c\/li\u003e\n  \u003cli\u003eScratch and chemical-resistant construction for production floor durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style drop indicator for use with standard lug-back indicator holders and surface-plate stands in shop metrology and machine tool inspection setups.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by metrology technicians or machinists using a compatible lug-back holder or post-mount arm. Ensure the spindle axis is aligned perpendicular to the measured surface to avoid cosine error and inaccurate readings. Do not exceed the stated measuring range, as overtravel can damage the jeweled bearing mechanism. Handle the spindle and contact point with care during mounting and removal to preserve calibration integrity.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Range\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDial Graduation\u003c\/strong\u003e: 0.0005 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.002 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDial Reading\u003c\/strong\u003e: 0-50\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRange Per Revolution\u003c\/strong\u003e: 0.05 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Force\u003c\/strong\u003e: 2.50 N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDial Diameter\u003c\/strong\u003e: 57.00 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBack Type\u003c\/strong\u003e: Lug\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBearing Type\u003c\/strong\u003e: Jeweled\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibrated\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTraceability Certification\u003c\/strong\u003e: NIST\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 7.7 inches L x 3.9 inches W x 2.7 inches H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.55 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: MITUTOYO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 2776ACAL\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MITUTOYO","offers":[{"title":"Default Title","offer_id":51562650992946,"sku":"2776ACAL","price":243.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/262995e9f002a6338a68443cdf0d64ae.jpg?v=1786481584","url":"https:\/\/voomisupply.com\/products\/mitutoyo-2776acal-dial-drop-indicator-1-in-nist-calibrated","provider":"Voomi Supply","version":"1.0","type":"link"}