{"product_id":"spi-cms160725092-dial-drop-indicator-1-in-nist","title":"Spi CMS160725092 Dial Drop Indicator 1 in Nist","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SPI CMS160725092 is a dial drop indicator designed for precision dimensional measurement in tool rooms, machine shops, and quality control environments. It delivers a 1-inch total measurement range with 0.001-inch graduations and a 0-100 dial reading, providing clear, repeatable readings across each 0.1-inch revolution. Accuracy is rated at 0.002 inches. The 2.2-inch black dial face aids readability, and the built-in revolution counter tracks cumulative travel beyond a single revolution. A NIST Traceability Certification is included, supporting documented calibration requirements in inspection and metrology applications.\u003c\/p\u003e\u003cp\u003eThis drop indicator is suited for surface plate inspection, fixture setup, runout checks, and machine alignment tasks common in manufacturing and precision machining environments. The lug-back mounting and 3\/8-inch stem diameter allow positioning in standard magnetic bases, articulating arms, and indicator holders. The universal positioning capability and easy-reading dial make it a practical choice for both bench inspection and in-machine measurement setups handled by machinists, toolmakers, and quality technicians.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1-inch measurement range with 0.001-inch dial graduation for fine resolution\u003c\/li\u003e\n\u003cli\u003e0.002-inch accuracy rating meets shop-floor and inspection requirements\u003c\/li\u003e\n\u003cli\u003e2.2-inch black dial face with 0-100 reading scale for clear visibility\u003c\/li\u003e\n\u003cli\u003eBuilt-in revolution counter tracks travel across multiple 0.1-inch-per-revolution cycles\u003c\/li\u003e\n\u003cli\u003eLug back with 3\/8-inch stem diameter fits standard indicator holders and magnetic bases\u003c\/li\u003e\n\u003cli\u003eNIST Traceability Certification included for calibration documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with standard dial indicator holders, magnetic bases, and articulating arms accepting a 3\/8-inch stem diameter and lug-back mounting configuration.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by machinists, toolmakers, or quality technicians using a standard indicator holder or magnetic base. Secure the 3\/8-inch stem firmly in the holder before zeroing the dial to avoid measurement drift. Ensure the measuring contact is perpendicular to the surface being measured to prevent cosine error. Handle the indicator carefully to avoid shock loads, which can damage the gear train and affect accuracy.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e: 0 to 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Graduation\u003c\/strong\u003e: 0.001 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Reading\u003c\/strong\u003e: 0-100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.002 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange Per Revolution\u003c\/strong\u003e: 0.1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Diameter\u003c\/strong\u003e: 2.2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Color\u003c\/strong\u003e: Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStem Diameter\u003c\/strong\u003e: 3\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack Type\u003c\/strong\u003e: Lug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 4-48 \/ M2.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasuring Force\u003c\/strong\u003e: 1.50 N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevolution Counter\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAGD Group\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraceability Certification\u003c\/strong\u003e: NIST\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: NIST Certified, US Federal Specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 5.52 inches L x 3.35 inches W x 2.37 inches H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.49 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: CMS160725092\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51709363388722,"sku":"CMS160725092","price":47.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/252230fac0cf74341caa429d7c02beeb.jpg?v=1788455248","url":"https:\/\/voomisupply.com\/products\/spi-cms160725092-dial-drop-indicator-1-in-nist","provider":"Voomi Supply","version":"1.0","type":"link"}