{"product_id":"preiser-hardgrove-grindabilty-tester-220-v-1-ph-60-hz","title":"Preiser Hardgrove Grindabilty Tester 220 V\/1 PH\/60 Hz","description":"\u003cp\u003ePreiser Scientifics Grindability Tester is a compact precision built instrument designed specifically for the determination of the relative hardness or abrasive potential of coal. Unit is constructed in strict accordance with ASTM Designation D-409 and conforms to procedures proposed by ISO for the determination of the Hardgrove Grindability index of coal and coke.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eStationary lower steel grinding bowl is mated with an upper grinding ring consisting of eight steel balls that rotate at 20 rpm.\u003c\/li\u003e \u003cli\u003eGrinding ring is rotated by a motor\/belt driven spindle to which 29kg of removable weights are attached that bear onto the eight rotating balls.\u003c\/li\u003e \u003cli\u003eA counter\/switch assemble totals the number of revolutions and automatically stops the machine at the end of 60 revolutions.\u003c\/li\u003e \u003cli\u003eSample loading is remarkably easy because of the design of the machine.\u003c\/li\u003e \u003cli\u003eMachine is virtually maintenance free because high-quality and durable materials have been used in the manufacture of this instrument.\u003c\/li\u003e \u003cli\u003eShipping weight: 180lbs.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSupplied with\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eGrinding Balls (8\/set).\u003c\/li\u003e \u003cli\u003eUpper and Lower Grinding Elements.\u003c\/li\u003e \u003cli\u003eAutomatic Counter\/Switch and Timing Belt.\u003c\/li\u003e \u003cli\u003e29kg removable wts.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAdditional models\u003c\/strong\u003e\u003c\/p\u003e \u003ctable style=\"width:\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd align=\"center\" width=\"50%\"\u003e\u003cstrong class=\"ctrhdrtext\"\u003e\u003cspan style=\"color:\"\u003eCatalog Number\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e \u003ctd align=\"center\"\u003e\u003cstrong class=\"ctrhdrtext\"\u003e\u003cspan style=\"color:\"\u003eVolts\/Phase\/Hertz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ctable class=\"catlinks\" style=\"width:\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"ctrhdrtext\" align=\"center\" bgcolor=\"#e5ecf9\" width=\"50%\"\u003e\n\u003cspan\u003e\u003cspan style=\"color:\"\u003e\u003cspan style=\"text-decoration:\" underline color:\u003eZ90-9300-01\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:\"\u003e \u003c\/span\u003e\n\u003c\/td\u003e \u003ctd class=\"ctrbodytext\" align=\"center\"\u003e115\/1\/50-60\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd align=\"center\" bgcolor=\"#e5ecf9\"\u003e\n\u003cspan style=\"color:\"\u003e\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003eZ90-9301-01\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:\"\u003e \u003c\/span\u003e\n\u003c\/td\u003e \u003ctd class=\"ctrbodytext\" align=\"center\"\u003e220\/1\/50\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cdiv\u003e \u003cspan style=\"font-weight:\" bold\u003eAdditional Information\u003c\/span\u003e\n\u003c\/div\u003e","brand":"Preiser Scientific Inc","offers":[{"title":"EA (1)","offer_id":51111702626619,"sku":"Z90-9301-02-EA","price":14517.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/Z90-9301-02_d327023c-4ac9-47f9-9369-3346c2a366d2.png?v=1784722687","url":"https:\/\/preiser.com\/products\/preiser-hardgrove-grindabilty-tester-220-v-1-ph-60-hz","provider":"Preiser Scientific","version":"1.0","type":"link"}