Portable Hardness Testers arrow Mitutoyo Rebound type portable hardness tester

Rebound type portable hardness tester

Part#: HH-411
Supplier: Mitutoyo
Calibration Certificate: available on request

HH-411 is a rebound type portable hardness tester for metal with a compact body and high operability. It allows anyone to perform hardness testing easily at the touch of a key, so it can be used widely on various components in the field.


  • Impactor: Impact hammer with integrated detector and carbide-ball tip
    (D type: conforming to ASTM A 956)
    Display unit: 7-segment LCD
  • Functions: Auto angle compensation, Off set,
    OK/NG judgment, Hardness scale conversion
  • Data storage (1800 data entries)
  • Statistical analysis (Average, Maximum, Minimum, Dispersion)
  • Auto sleep function
  • Impact counter display function
  • Testable workpiece
  • Thickness: Minimum 5mm or more
  • Mass: 5kg or more in mass
  • Test points: 5mm or more from the edge of the
    sample, 3mm or more to each of the tested points.
  • Surface roughness: Ra 10ìm or less
  • Power supply: Alkaline AA battery 2pcs or optional
  • AC adapter (battery life: 70 hours)


  • Hardness Range: L-Value (ASTM A956)
  • Detector: Input device D(carbide ball)
  • Fuctions: Conversions: HL, HV, HB, HRC, HRB, HS, Judgement: OK/NG Offsetting Memory: 900 data
  • Indentation Direction: Any direction
  • Output: RS-232C, SPC
  • Power Supply: Alkaline AA Battery 2 pcs.
  • Dimensions: xxDIA 1.10x6.89in xx28x175mm
  • Display Unit Dimensions : 2.76x4.33x1.38in 70x110x35mm
  • Mass: .26lbs 120g
Hardness Range Resolution
HL 1-999 HL 1 HL
HV 43-950 HV 1 HV
HB 20-894 HB 1 HB
HRC 19.3 - 68.2 HRC 0.1 HRC
HRB 13.5 - 101.7 HRB 0.1 HRB
HS 13.2 - 99.3 HS 0.1 HS
HTN 499 - 1966 Mpa 1 Mpa

Ordering info

SKUDescriptionUnitPriceIn Stock
HH-411Mitutoyo Rebound type portable hardness testerpiece 0

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