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Portable Hardness Tester
Portable Hardness Tester
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  • Portable Hardness Tester
  • Portable Hardness Tester

Portable Hardness Tester

subcategory

  • Product description
  • Specifications
  • 1 Features

    ●Ultra-thin shell, more easily to hold

    ●Suitable for multiple impact device and 6 types of hardness scales are available for various applications

    ●Large and clear digital display

    ●Ultra-low power dissipation with three AAA batteries powered

     

    2 Technical Specification:

    ●Hardness Scales:HL、 HRC、HRB、HV、HB、HS

    ●Test Precision:HLD:±6       HRC:±1       HB:±4

    Standard Impact Device: impact device of Type D

    ●Upper / Lower Limits Setting:(170-960)HLD, (17.9-69.5)HRC, (19-683)HB, (80-1042)HV, (30.6-102.6)HS, (13.5-101.7)HRB

    ●Optional Impact Device: D/ C /DC / D+15 / DL/ G

    ●Number of Impact Devices Equipped With One Time: any

    ●PC Interface: USB 2.0

    LanguageChinese/English

    ●Screen Display: 128X64 dot matrix LCD, backlight and adjustable contrast 

    ●Measuring Direction:360°(down, inclined down, level,inclined up and up) 

    ●Data Memory :200 readings

    Maximum Hardness of The Measured Work Piece: 940HV(for D,DC,DL,D+15,C impact device)

    Radius of Rurvature of The Measured Work: Rmin=50mm(If using Alien supporting ring, Rmin=10mm)

    Recognition Function:Recognize the type of the impact device by itself

    Measurable Material:Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, nodular cast iron, aluminum casting alloy, copper zinc alloy(brass), copper tin alloy(bronze), fine copper

    ●Power Supply: 1.5V AAA battery ( 3 PCS)

    ●Working time: about 150 hours

    ●Shape Size: 155mm*68mm*27mm    

    ●Weight:  230g


  • ACCESSORIES FOR PORTABLE LEEB HARDNESS TESTER

    IMPACT DEVICES  FOR HARDNESS TESTER

    Impact device D: Universal device for most hardness requirements

    Impact device DC: Ultra-short version; manually loaded on the front; same characteristics as type D;

    for testing in boreholes,built-in parts, hollow cylindrical parts, etc.; max. 940 HV

    Impact device DL: With extremely long and fine front piece only for steel and cast steel; for testing in

    narrow or hard to reach areas; max. 950 HV

    Impact device D+15: The front part is narrow and the coil is located behind it; same characteristics as

    type D; only for steel;for hardness testing in slots, grooves, recessed areas, gear flanks,grooves, cavities,

    tooth flanks, etc.; max. 940 HV

    Impact device C: Reduced impact energy of about 1/4 of type D; for tempered or surface treated steel,

    small or sensitive-to-shock parts (minimal imprint is left); max. 1000 HV

    Impact device G: With large test-tip diameter; impact energy 9 times larger than type D; on steel, gray

    or nodular cast iron; for large cast parts and forgings or parts with high surface roughness;max. 650 HB

    (only in Brinell)

    Impact device E: With a synthetic diamond test tip of approx.5000 HV; for very hard materials (above 50

    HRC / 650 HV) such as carbide, barrels, etc.; max. 1200 HV

    Material

    Method

    Impact device

    D/DC

    D+15

    C

    G

    E

    DL

    Steel and

    cast steel

     

    HRC

    20~68.5

    19.3~67.9

    20.0~69.5

     

    22.4~70.7

    20.6~68.2

    HRB

    38.4~99.6

     

     

    47.7~99.9

     

    37.0~99.9

    HRA

    59.1~85.8

     

     

     

    61.7~88.0

     

    HB

    127~651

    80~638

    80~683

    90~646

    83~663

    81~646

    HV

    83~976

    80~937

    80~996

     

    84~1042

    80~950

    HS

    32.2~99.5

    33.3~99.3

    31.8~102.1

     

    35.8~102.6

    30.6~96.8

    Cold work

    tool steel

    HRC

    20.4~67.1

    19.8~68.2

    20.7~68.2

     

    22.6~70.2

     

    HV

    80~898

    80~935

    100~941

     

    82~1009

     

    Stainless

    steel

     

    HRB

    46.5~101.7

     

     

     

     

     

    HB

    85~655

     

     

     

     

     

    HV

    85~802

     

     

     

     

     

    Grey cast

    iron

     

    HRC

     

     

     

     

     

     

    HB

    93~334

     

     

    92~326

     

     

    HV

     

     

     

     

     

     

    Nodular

    cast iron

    HRC

     

     

     

     

     

     

    HB

    131~387

     

     

    127~364

     

     

    HV

     

     

     

     

     

     

    Cast aluminium

    alloys

    HB

    19~164

     

    23~210

    32~168

     

     

    HRB

    23.8~84.6

     

    22.7~85.0

    23.8~85.5

     

     

    BRASS(copper-

    zinc alloys) 

    HB

    40~173

     

     

     

     

     

    HRB

    13.5~95.3

     

     

     

     

     

    BRONZE(copper-

    aluminium/tin

    alloys)

    HB

    60~290

     

     

     

     

     

    Wrought

    copper alloys

    HB

    45~315

     

     

     

     

     

    Available type

    of impact device

     

    DC:

    Test hole

    or hollow

    cylindrical

    D+15:

    Test

    groove or

    reentrant

    surface

    C:

    Test small,

    light,   thin

    parts and

    surface of

    hardened

    layer

    G:

    Test large,

    thick,

    heavy

    and rough

    surface

    steel

    E:

    Test super

    high

    hardness

    material

    DL:

    Test slender

    narrow

    groove

    or hole

      Testing conditions: 

    Type of impact

    device

    DC(D)/DL

    D+15

    C

    G

    E

    Impacting energy

    Mass of impact body

    11mJ

    5.5g/7.2g

    11mJ

    7.8g

    2.7mJ

    3.0g

    90mJ

    20.0g

    11mJ

    5.5g

    Test tip hardness:

    Dia. Test tip:

    Material of test tip:

    1600HV

    3mm

    Tungsten

    carbide

    1600HV

    3mm

    Tungsten

    carbide

    1600HV

    3mm

    Tungsten

    carbide

    1600HV

    5mm

    Tungsten

    carbide

    5000HV

    3mm

    synthetic

    diamond

    Impact device

    diameter:

    Impact device length:

    Impact device weight:

    20mm

    86(147)/ 75mm 50g

    20mm

    162mm

    80g

    20mm

    141mm

    75g

    30mm

    254mm

    250g

    20mm

    155mm

    80g

    Max. hardness

    of sample

    940HV

    940HV

    1000HV

    650HB

    1200HV

    Mean roughness value

    of sample surface Ra:

    1.6μm

    1.6μm

    0.4μm

    6.3μm

    1.6μm

    Min. weight of sample:

    Measure directly

    Need support firmly

    Need coupling tightly

     

    >5kg

    2~5kg

    0.05~2kg

     

    >5kg

    2~5kg

    0.05~2kg

     

    >1.5kg

    0.5~1.5kg

    0.02~0.5kg

     

    >15kg

    5~15kg

    0.5~5kg

     

    >5kg

    2~5kg

    0.05~2kg

    Min. thickness of

    sample Coupling tightly

    Min. layer thickness

    for surface hardening

     

    5mm

     

    ≥0.8mm

     

    5mm

     

    ≥0.8mm

     

    1mm

     

    ≥0.2mm

     

    10mm

     

    ≥1.2mm

     

    5mm

     

    ≥0.8mm

     

     Size of tip indentation

    Hardness 300HV

    Indentation diameter

    Depth of indentation

    0.54mm

     24μm

    0.54mm

     24μm

    0.38mm

     12μm

    1.03mm

     53μm

    0.54mm

     24μm

    Hardness 600HV

    Indentation diameter

    Depth of indentation

    0.54mm

     17μm

    0.54mm

     17μm

    0.32mm

     8μm

    0.90mm

     41μm

    0.54mm

     17μm

    Hardness 800HV

    Indentation diameter

    Depth of indentation

    0.35mm

     10μm

    0.35mm

     10μm

    0.35mm

     7μm

    --

     --

    0.35mm

     10μm

      Support rings for Shaped Materials

       

    No.

    Type

    Sketch of non-conventional 

    Supporting ring

    Remarks

    1

    Z10-15

    For testing cylindrical

    outside surface

    R10~R15

    2

    Z14.5-30

    For testing cylindrical

    outside surface R14.5~R30

    3

    Z25-50

    For testing cylindrical

    outside surface

    R25~R50

    4

    HZ11-13

    For testing cylindrical

    inside surface

    R11~R13

    5

    HZ12.5-17

    For testing cylindrical

    inside surface

     R12.5~R17

    6

    HZ16.5-30

    For testing cylindrical

    inside surface

     R16.5~R30

    K10-15

    For testing spherical

    outside surface

    SR10~SR15

    8

    K14.5-30

    For testing spherical

    outside surface SR14.5~SR30

    9

    HK11-13

    For testing spherical

    inside surface

    SR11~SR13

    10

    HK12.5-17

    For testing spherical

    inside surface

    SR12.5~SR17

    11

    HK16.5-30

    For testing spherical

    inside surface

    SR16.5~SR30

     12 

    UN

    For testing cylindrical

    outside surface, radius

    adjustable R10~∞

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