Mitutoyo HH-411 Impact Type Portable Hardness Testing Unit - 810-298-10

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810-298-10

Mitutoyo

Mitutoyo HH-411 Impact Type Portable Hardness Testing Unit - 810-298-10


HH-411 is a compact portable hardness tester that is user-friendly. A single touch of a button performs the non-destructive impact hardness test so it's extremely easy to test workpieces on site.


This is a lightweight, digital-reading portable hardness testing instrument for metal workpieces.

The Hardmatic HH-411 offers you the following benefits:

  • It operates on the rebound hardness principle (standardised according to ASTM A 956)
  • Measurement is conducted with hardness value L (Leeb-value) but you can convert to any desired hardness scale
  • The display automatically shows GO/±NO GO with the tolerance function set and selected
  • It has a memory function for 1800 measured values, and automatic measuring direction angle-compensation.
  • Expak software gives you simple data collection 11AAC238


User-friendly

  • To make a hardness test, just press the button on the impactor while holding it against the workpiece surface. It is easy and user-friendly.


Hardness testing on narrow surfaces is possible

  • Only a small surface area is needed for testing hardness with the HH-411. (A small ø22mm for the standard type D impactor, and a minute ø4mm for the optional type DL impactor.) This feature makes the HH-411 extremely useful for testing the hardness of surfaces such as structural elements, gear teeth, etc.


A choice of impactor

  • D type: Standard, general purpose type
  • DC type: For inner walls of pipes
  • D+15 type: For bearings and gears
  • DL type: For narrow features such as small gear teeth and welded corners


Equipped with data storage function

  • A maximum 1800 data entries of hardness test results can be stored. This function is very useful for routine tests at work sites


Unit of hardness is selectable for various purposes

  • The HH-411 produces HL hardness scale results (L hardness: conforming to ASTM A 956), automatically converting to Vickers, Brinell, Rockwell C, Rockwell B, Shore and tensile strength, as required during testing.


Equipped with auto angle compensation function

  • Impact-type hardness measurements are normally affected by gravity, depending on the angle at which the impactor is held, but the HH-411 is equipped with the latest measuring technology that automatically recognizes impactor orientation and compensates for this effect so maximum accuracy is realized in every measurement.


Specifications:

Order No. 810-298-10 (ASTM Type)
Model HH-411
Impactor Impact hammer with integrated detector and carbide-ball tip
(D type: conforming to ASTM A 956)
Display unit 7-segment LCD
Display range Leeb: 1-999HL Resolution 1HL|
Vickers: 43-950HV Resolution 1HV
Brinell: 20-894HB Resolution 1HB
Rockwell C: 19.3-68.2HRC Resolution 0.1HRC
Rockwell B: 13.5-101.7HRB Resolution 0.1HRB
Shore: 13.2-99.3HS Resolution 0.1 HS
Tensile strength: 499-1996MPa Resolution 1MPa
(Display range depends on conversion table.)
Functions Auto Angle Compensation Function, Offset function
OK/NG judgment function, Conversion function
Data storage function: 1800 data entries
Statistical analysis (Average, Maximum, Minimum, Dispersion)
Auto sleep function, Impact counter display function
Testable workpiece limits Minimum 5mm or more in thickness and 5kg or more in mass (When the sample mass is 0.1kg or more and less than 5kg, fix it against a larger mass to make it testable.)
Test points: 5mm or more from the edge of the sample,
3mm or more to each of the tested points.
Surface roughness of samples: Ra 10m or less
Output RS-232C, SPC (each 1 output, simultaneous output is possible)
Power supply Alkaline AA battery 2pcs (battery life: approx. 70 hours)
AC adapter (optional accessory)
Operating environment Temperature: 0°C to 50°C
Humidity: less than 95% without condensation
Size / Mass Display unit: approx. 70 x 110 x 35 mm, 200g,
Impactor: approx. ø28 x 175 mm, 120g


Standard Configuration (included with #810-298-10):

Order No. Description Remarks Qty
810-291-10 Display unit UD-410 HS conversion : HSD (ASTM) 1
- LR6 battery Lithuim Battery 2
99MBG600B User's manual - 1
810-287-10 Impactor UD-411 D type, approx.ø28 x 175mm, 120g (tip: ø22mm) 1
- Impact hammer - 1
19BAA457 Carbide ball Built-in to the impact hammer 1
19BAA459 Wrench - 1
19BAA460 Cable for detector - 1
19BAA451 Support ring ø22mm 1
19BAA452 Support ring (small) ø14mm 1
19BAA258 Brush - 1
- Case For the display unit and impactor 1
11AAD240 Hardness test block - 1
- Case For hardness test block 1
- Inspection Certificate - 1
11BAB687 Handle - 1
11BAC437 Strap - 1



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HH-411 Impact Type Portable Hardness Testing Unit