3817 DIGITAL HARDNESS TESTER
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3817 DIGITAL HARDNESS TESTER - 1

The Starrett 3817 Automated Digital Hardness Testing System provides durable, precise results for even the most demanding applications. Capable of measuring all Rockwell, Rockwell Superficial, Vickers* and Brinell* Scales, it meets or exceeds all major industry standards requirements, offering unsurpassed accuracy, reliability and overall performance. Easy-to-use and exceptionally precise, this full-featured system offers one-touch automated testing with minimal operator involvement. Overall, the 3817 is the ultimate hardness testing solution. Features • One-touch automated testing with minimal operator involvement • Closed-loop NTEP load cell technology improves repeatability and efficiency, while eliminating conventional weights method • Preset dwell times and automatic cylindrical correction for hardness value comply with ASTM E 18 tolerances • Hardness numbers are displayed from 1 to 1/100th point on an easy-to-use, easy-to-view, digital control panel • Built-in electronic conversion charts for cross referencing hardness scales and approximating tensile strength – no mechanical or electronic adjustments required • Meets or exceeds new ASTM and ISO requirements, and meets Direct NIST Traceability requirements • Includes detachable clamping device, direct verification certificate for load, depth, hysteresis and timing, indirect verification certificate for B, C, 30N and 30T scales, operator manual, indentor installation tool, and AC power cable. • RS-232C output • Detachable clamping device for oversized or irregular parts • Self-contained head assembly adaptable for special applications • Rigid, modular base assembly • Upper and lower limit alarms • Fitted tray for indentors and anvils • 2 year limited warranty • Made in the U.S.A * Requires separate equipment to measure across indent Technical Specifications Standard Accessories* Description Hardness Tester System Diamond Indentor 1/16” (14mm) ball indentor HRA test block HRB test block HRC test block Master test block set * For other accessories, contact The L.S.Starrett Company Minor load Minor load – Superfical Major load Major load – Superfical Test force control Results display Throat depth Maximum test height Unit height/width/depth Weight

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