Small Ball Rebound Hardness TestereNM3A10

eNM3A10
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At anytime, anywhere, for anything, the precise hardness test is available.

OUTSTANDING FEATURES

  • UNIQUE
    • Test hardness (coefficient of restitution) using a small ball.
  • EASY
    • Switch on, and just start testing! One-push operation to prepare the next test.
  • UNNECESSARY TO CUT OR PREPARE YOUR SPECIMEN
    • You can directly test small parts*1 and large objects just as they are.*2
      *1 As a guide, more than 5mm thickness is required.
      *2 It is recommended to polish the surface with #600 emery paper.
  • MINIMUM DAMAGE
    • The ball is 3mm in diameter and weights only 0.06g!
    • The left trace is very small.
  • PORTABLE
    • The tester weights about 0.6kg and is operated by two AA batteries or USB power supply.
    • With a hard case that is convenient to carry.
  • ANY DIRECTION
    • Test is possible in any direction. (upward, downward, horizontal, etc.)
  • CONVERSION
    • For ordinary steel, the conversion display of HRC, HRB, HV, HBW, HS is possible.

SPECIFICATIONS

Dimensions & weight, main body φ40mm × H167mm　abt.320g
Dimensions & weight of display device W69mm × D28mm × H115mm　130g (Excl. battery weight)
Principles & display Discharge and clash φ3mm alumina indenter against the sample to measure the discharge velocity Vi and rebound velocity Vr.
Display the co-efficient of restitution e (=Vr/Vi).
Conversion display HRC ・ HRB ・ HV ・ HBW ・ HS
Indenter φ3mm alumina ball. Mass is 0.06g.
Discharge velocity 10m/s (tolerance, within ±5%)
Discharge method Resilience power of spring.
Power source Two AA batteries or power supply by USB cable (5V 0.5A)
Data transmission USB→PC (format CSV type), Bluetooth→tablet (Android terminal more than 4.0 recommended)
Velocity detection range of indenter 1 ～ 11m/s
Velocity measurement method Detection by the shutdown of light path. Method to measure the time to pass two points.
Display device of measured value Liquid crystal display (7seg 8 digits back light)
Recommended environment Temperature 10℃ ～ 35℃, humidity less than 90%, no condensation
Standard accessories Standard test block e 0.64 equiv.(30HRC equiv.) :1pc.
Standard test block e 0.86 equiv.(60HRC equiv.) :1pc.
hard case :1pc.

Please see the catalog for details of the specifications.

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