{"product_id":"spi-ms170309049-electronic-outside-micrometer-3-in-ip54","title":"Spi MS170309049 Electronic Outside Micrometer 3 in IP54","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SPI MS170309049 is an electronic outside micrometer designed for precise external dimensional measurement in machining, manufacturing, and quality-control environments. It measures up to 3 inches with a resolution of 0.000050 inches and an accuracy of 0.000200 inches. The carbide-tipped measuring face resists wear during high-cycle inspection work. An IP54 ingress-protection rating shields the electronics against dust and splash exposure on the shop floor. The friction thimble provides consistent measuring force to reduce operator-induced variation. A NIST traceability certification is included, supporting use in calibrated inspection processes.\u003c\/p\u003e\n\u003cp\u003eThis micrometer is suited for precision measurement tasks in machine shops, tool rooms, and production inspection stations. It supports both absolute and incremental measuring modes, making it adaptable to comparative measurement workflows. The rotating spindle and digital readout speed up repetitive measurements. Machinists, quality-control technicians, and metrology professionals working with parts in the 0- to 3-inch range will find this instrument appropriate for close-tolerance work.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eResolution of 0.000050 inches for high-precision measurement\u003c\/li\u003e\n  \u003cli\u003eAccuracy rated at 0.000200 inches\u003c\/li\u003e\n  \u003cli\u003eCarbide-tipped measuring face for extended wear resistance\u003c\/li\u003e\n  \u003cli\u003eIP54 rating provides protection against dust and liquid splash\u003c\/li\u003e\n  \u003cli\u003eSupports absolute and incremental measuring modes\u003c\/li\u003e\n  \u003cli\u003eNIST traceability certification included for calibrated inspection use\u003c\/li\u003e\n  \u003cli\u003eLR44 battery included; rotating spindle for smooth operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard electronic outside micrometer for external dimensional measurement of parts up to 3 inches in diameter or thickness across general machining and inspection applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis instrument requires no installation but should be stored in its protective case when not in use to preserve calibration and protect the carbide faces. Zero the micrometer before each measurement session according to the manufacturer procedure. Keep the measuring faces clean and free of chips or debris before contact with the workpiece. Calibration should be verified periodically against gauge blocks traceable to NIST standards.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Measurement\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Measurement\u003c\/strong\u003e: 50.00 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution\u003c\/strong\u003e: 0.000050 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.000200 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Face Material\u003c\/strong\u003e: Carbide Tipped\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThimble Type\u003c\/strong\u003e: Friction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThroat Depth\u003c\/strong\u003e: 1.78 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP Rating\u003c\/strong\u003e: IP54\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Modes\u003c\/strong\u003e: Absolute and Incremental\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRotating Spindle\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibrated\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Size\u003c\/strong\u003e: LR44 (included)\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: 9.85 inches L x 5.32 inches W x 1.82 inches H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.49 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: SPI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: MS170309049\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51714271248690,"sku":"MS170309049","price":211.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2eb0d18829fe6b07d0af6f9cdb5f4343.jpg?v=1788498675","url":"https:\/\/voomisupply.com\/products\/spi-ms170309049-electronic-outside-micrometer-3-in-ip54","provider":"Voomi Supply","version":"1.0","type":"link"}