M-9MHardness Testing MachinesStart quality control from the material — Mitutoyo's hardness testing machines can handle itMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.An inspection certicate is supplied as standard. Refer to page U-9 for details.Refer to the Hardness Testing Machines Brochure (E17001) for more details.HARDMATIC HH-411SERIES 810 — Rebound Type Portable Hardness Tester •Excellent operability that performs hardness tests with the touch of a key and a compact body allows users to measure hardness in the eld. This instrument is best suited for on-site hardness tests such as large molds, railroad track, and welded spots in structures. Products equipped with the measurement data output function can be connected to the measurement data network system MeasurLink® (refer to page A-25 for details).SPECIFICATIONSOrder No.810-299-10810-299-11810-298-10810-298-11Model HH-411Hardness display range1 to 999 HLDisplay range(This display range varies depending on the conversion table used.) Vickers hardness: 43 to 950 HVBrinell hardness: 20 to 896 HBRockwell hardness (C scale): 19.3 to 68.2 HRCRockwell hardness (B scale): 13.5 to 101.7 HRBShore hardness: 30.1 to 99.5 HSTensile strength: 499 to 1999 MPaShore hardness(HS) conversionVHS (JIS B 7731)HSD (ASTM E140)DetectorImpact hammer with integrated detector and carbide-ball tip (D type)Display unit7-segment LCDSpecimen requirementsTest points: At least 5 mm from specimen edges and at intervals of at least 3 mmMin. thickness: 5 mm; mass: 5 kg or more (However, specimens with a mass between 0.1 and 5 kg can be tested if fixed to a strong support.)Power supplyAlkaline AA battery 2 pcs. (battery life: 70 hours) or optional AC adapterOptional AC adapterAlkaline AA battery 2 pcs. (battery life: 70 hours) or optional AC adapterOptional AC adapterExternal dimensions/MassDetector: ø28×175 mm in length, 120 gDisplay (W×D×H): 70×110×35 mm, 200 g

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