{"product_id":"phase2-900-331-analog-rockwell-hardness-tester-premium","title":"Phase2+ 900-331 Rockwell Hardness Tester","description":"\u003ch2\u003ePhase2+ 900-331 Rockwell Hardness Tester\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Phase2+ 900-331 and 900-331D are professional-grade benchtop Rockwell hardness testers built on the same proven platform - available in two readout configurations to match your workflow. Both instruments combine state-of-the-art design with dynamic precision to deliver highly sensitive and accurate hardness readings across all standard Rockwell scales, and both conform to ASTM E-18 for reliable, traceable results in any production or laboratory environment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe \u003cstrong\u003e900-331\u003c\/strong\u003e features a direct analog dial gauge readout - favored by experienced operators for its real-time feedback, zero dependence on electronics, and immediate legibility in any lighting condition. The \u003cstrong\u003e900-331D\u003c\/strong\u003e pairs the same trusted mechanical platform with the 9500 Series digital indicator upgrade, delivering direct digital Rockwell readings and automatic conversion to Brinell (HB) and Vickers (HV) - eliminating manual conversion charts and reducing transcription errors during inspection and reporting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eBoth models use dead weight test force application and a hydraulic dashpot control system to deliver smooth, consistent load performance on every test cycle. They are perfect, rugged performers suited for heat treat facilities, tool rooms, workshops, laboratories, and inspection labs and both include lifetime technical support at no additional cost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Display Options, One Proven Platform\u003c\/strong\u003e - Choose the 900-331 with a direct analog dial gauge for battery-free simplicity, or the 900-331D with a digital LCD display and automatic conversion to Brinell (HB) and Vickers (HV) both built on the same ASTM E-18 compliant mechanical platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Rockwell Scale Coverage - ASTM E-18 Compliant\u003c\/strong\u003e - Tests all standard Rockwell hardness scales including HRA, HRBW, HRC, HRD, HRE, HRF, HRG, and more, delivering consistent, repeatable results across a broad range of metals and alloys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDead Weight Loading with Hydraulic Dashpot Control\u003c\/strong\u003e - Dead weight force application at 60, 100, and 150 kgf major loads combined with a hydraulic dashpot system ensures precise, repeatable indentation force on every test cycle, free from the variability introduced by spring or motorized systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerous Vertical Capacity \u0026amp; Throat Depth\u003c\/strong\u003e - A 6.7\" vertical capacity and 6.6\" throat depth accommodate a wide variety of part sizes and geometries, from small precision components to larger castings and forgings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt Tough for Any Production Environment\u003c\/strong\u003e - Heavy-duty construction stands up to the demands of heat treat facilities, QC labs, tool rooms, and machine shops without any compromise in measurement accuracy or long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Technical Support Included\u003c\/strong\u003e - Every Phase2+ 900-331 and 900-331D ships with lifetime technical support, a full set of anvils and indenters, and NIST-traceable test blocks - everything needed to be operational and compliant from day one.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" cellspacing=\"0\" cellpadding=\"0\" dir=\"ltr\" border=\"1\" data-sheets-root=\"1\" data-sheets-baot=\"1\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"143\"\u003e \u003ccol width=\"325\"\u003e \u003ccol width=\"325\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003e900-331 (Analog)\u003c\/td\u003e\n\u003ctd\u003e900-331D (Digital)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResults Display\u003c\/td\u003e\n\u003ctd\u003eAnalog Dial Gauge\u003c\/td\u003e\n\u003ctd\u003eDigital LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Indicator\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e9500 Series Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto Scale Conversion\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eBrinell (HB) \u0026amp; Vickers (HV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinor Load\u003c\/td\u003e\n\u003ctd\u003e10 kgf\u003c\/td\u003e\n\u003ctd\u003e10 kgf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMajor Load\u003c\/td\u003e\n\u003ctd\u003e60 kgf, 100 kgf, 150 kgf\u003c\/td\u003e\n\u003ctd\u003e60 kgf, 100 kgf, 150 kgf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Force Application\u003c\/td\u003e\n\u003ctd\u003eDead Weight\u003c\/td\u003e\n\u003ctd\u003eDead Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Force Control\u003c\/td\u003e\n\u003ctd\u003eHydraulic Dashpot System\u003c\/td\u003e\n\u003ctd\u003eHydraulic Dashpot System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRockwell Scales\u003c\/td\u003e\n\u003ctd\u003eHRA, HRBW, HRC, HRD, HRE, HRF, HRG, and more\u003c\/td\u003e\n\u003ctd\u003eHRA, HRBW, HRC, HRD, HRE, HRF, HRG, and more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVertical Capacity\u003c\/td\u003e\n\u003ctd\u003e6.7 in.\u003c\/td\u003e\n\u003ctd\u003e6.7 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat Depth\u003c\/td\u003e\n\u003ctd\u003e6.6 in.\u003c\/td\u003e\n\u003ctd\u003e6.6 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e30.0 in.\u003c\/td\u003e\n\u003ctd\u003e30.0 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e8.50 in.\u003c\/td\u003e\n\u003ctd\u003e8.50 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e20.0 in.\u003c\/td\u003e\n\u003ctd\u003e20.0 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e242 lbs.\u003c\/td\u003e\n\u003ctd\u003e242 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Compliance\u003c\/td\u003e\n\u003ctd\u003eASTM E-18\u003c\/td\u003e\n\u003ctd\u003eASTM E-18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnical Support\u003c\/td\u003e\n\u003ctd\u003eLifetime\u003c\/td\u003e\n\u003ctd\u003eLifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eItems Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHardness Tester Main Unit\u003c\/li\u003e\n\u003cli\u003eC-Scale Diamond Indentor\u003c\/li\u003e\n\u003cli\u003e1\/16\" Ball Indentor\u003c\/li\u003e\n\u003cli\u003e3 HRC Test Blocks\u003c\/li\u003e\n\u003cli\u003e1 HRB Test Block\u003c\/li\u003e\n\u003cli\u003eTest Table 5.87\" (150 mm)\u003c\/li\u003e\n\u003cli\u003eFlat Anvil 2.5\" (63 mm)\u003c\/li\u003e\n\u003cli\u003eStandard Vee Anvil\u003c\/li\u003e\n\u003cli\u003eAccessory Case\u003c\/li\u003e\n\u003cli\u003eDust Cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"Phase2+ 900-331 Rockwell Hardness Tester User Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/Phase2_900-331_Rockwell_Hardness_Tester_User_Manual.pdf?v=1774615745\"\u003e\u003cimg alt=\"INSIZE ISHW-L20B Webster Hardness Tester Manual\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/PDF_image_100x100.png?v=1756409173\"\u003ePhase2+ 900-331 Rockwell Hardness Tester User Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"Phase2+ 900-331 Rockwell Hardness Tester Catalog\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/Phase2_900-331_Rockwell_Hardness_Tester_Catalog.pdf?v=1774615765\"\u003e\u003cimg alt=\"INSIZE ISHW-L20B Webster Hardness Tester Manual\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/PDF_image_100x100.png?v=1756409173\"\u003ePhase2+ 900-331 Rockwell Hardness Tester Catalog\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"Phase2+ 900-331D Rockwell Hardness Tester Catalog\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/Phase2_900-331D_Rockwell_Hardness_Tester_Catalog.pdf?v=1774615782\"\u003e\u003cimg alt=\"INSIZE ISHW-L20B Webster Hardness Tester Manual\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/PDF_image_100x100.png?v=1756409173\"\u003ePhase2+ 900-331D Rockwell Hardness Tester Catalog\u003c\/a\u003e\u003c\/p\u003e","brand":"Phase2+","offers":[{"title":"900-331","offer_id":54004886995228,"sku":"900-331","price":2995.36,"currency_code":"USD","in_stock":true},{"title":"900-331D","offer_id":54004887027996,"sku":"900-331D","price":3814.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/Phase2_900-331_Rockwell_Hardness_Tester.png?v=1774616018","url":"https:\/\/precisionengineeringsupply.com\/products\/phase2-900-331-analog-rockwell-hardness-tester-premium","provider":"Precision Engineering Supply","version":"1.0","type":"link"}