{"product_id":"extech-461891-contact-tachometer","title":"Extech 461891 Contact Tachometer","description":"\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eFast and Accurate RPM and Surface Speed Measurements\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge 5 digit LCD display is easy to read \n\u003c\/li\u003e\n\u003cli\u003eBuilt-in memory recalls last MAX\/MIN value stored \n\u003c\/li\u003e\n\u003cli\u003eAutoranging with 0.05% accuracy \n\u003c\/li\u003e\n\u003cli\u003eContact measurements from 0.5 to 19,999rpm plus linear surface speed measures in ft\/min or m\/min \n\u003c\/li\u003e\n\u003cli\u003eSimply contact rotating object with sensor tip and read \n\u003c\/li\u003e\n\u003cli\u003eAccessory wheels enable tachometer to measure linear surface speeds \n\u003c\/li\u003e\n\u003cli\u003eComplete with cone tip, flat tip and spare wheel for surface speed measurements, four 1.5V AA batteries and case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecifications:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRange (rpm): 0.5 to 20,000 \n\u003c\/li\u003e\n\u003cli\u003eSurface Speed: 0.05 to 1999.9m\/min \n\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±(0.05%rdg +1d) \n\u003c\/li\u003e\n\u003cli\u003eSampling Time: 1sec\u0026gt;6rpm \n\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1rpm (0.5 to 999.9rpm);1rpm \u0026gt;1000rpm \n\u003c\/li\u003e\n\u003cli\u003eDimensions: 6.7 x 2.8 x 1.5\" (170 x 27 x 37mm) \n\u003c\/li\u003e\n\u003cli\u003eWeight: 9.2oz (260g)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Extech Instruments Corp.","offers":[{"title":"Do Not Include NIST","offer_id":48343333699796,"sku":"EXT-461891","price":249.0,"currency_code":"USD","in_stock":true},{"title":"Include NIST Calibration","offer_id":48343333732564,"sku":"EXT-461891-NIST","price":346.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/0451\/2724\/files\/EXT-461891-2.jpg?v=1785144363","url":"https:\/\/sejqw6-v1.myshopify.com\/products\/extech-461891-contact-tachometer","provider":"Reliability Direct Store, LLC","version":"1.0","type":"link"}