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Barcol Impressor Hardness Tester

Article No. 11808

Barcol Hardness Tester, 934-1

  • For fiberglass, soft metals such as aluminum and its alloys, brass, copper, and some of the harder plastics and fiberglass.
  • Approximate range 25 to 150 (HB) Brinell (10mm ball 500 KG load).
  • This unit meets American Society for Testing and Material (ASTM) Standard D-2583.

Select your model

$1,211.00 excl. taxes & shipping cost

Features

  • Hand-held portable hardness tester convenient for testing the hardness of aluminum, aluminum alloys, copper, brass and other materials including plastics and fiberglass.
  • The Impressor is designed for use on fabricated parts and assemblies as well as on raw stock.
  • Easy to Use, no experience required; can be used in any position and in any space that will allow for the operator's hand.
  • The hardness reading is instantly indicated on the dial, which is divided into one hundred graduations. No waiting, preloading or separate measurements.
  • Weighs only 1 lb. 2 oz. and comes complete with carrying case, adjusting wrench and two spare indenters.
  • Best suited for testing homogeneous materials. Material of granular, fibrous or coarse structure will produce a wide variation in hardness readings because of the small diameter of the indenter point.

Technical Attributes

  • Data
    Conversion Chart
    934-1935936Brinell 100mm/500kgVickers 5 kgWebster Model BRockwell BRockwell ERockwell FRockwell H
    35   21    32
    36   22    35
    37   23    37
    38   24    40
    39   25    42
    40  2526    45
    41  2627    47
    42  2628    49
    43  2729    51
    44  2730    54
    45  2730    56
    46  2831    58
    47  2932  23 60
    48  30330.7 26 62
    49  31341.3 28 64
    50  32351.9 31 66
    51  33362.5 34 68
    52 634383.1 38 70
    53 935393.6 393072
    54 1237404.2 413473
    55 1538414.7 443775
    56 1839435.3 464077
    57 2140445.8 484378
    58 2442456.3 504680
    59 2744476.8 534882
    60 3045497.3 555183
    61 3247507.6 575485
    62 3548528.3 595686
    63 3850548.8 615988
    64 4052569.2 636189
    65 4354589.7 656390
    66 45556010.1 676692
    67 48586210.8 696893
    682250606511.0 717094
    692852626711.4 737295
    703054647011.817757497
    713457677212.223767598
    723859697512.628787799
    734161717812.9338079100
    744563738113.3388180101
    754865768513.7428382102
    765167808814.0478483103
    775469849214.3518685104
    785770879514.7558786105
    796072909915.0598888106
    8063749410315.3639089106
    8168769710815.6669190107
    82697710011215.9709291108
    83717910511716.2739492109
    84748010912116.4769593109
    85788211312616.7799694110
    86798311713116.9819795111
    87818512213717.2849896111
    88838812614217.4869997112
    898587131 17.68810098112
    908788135 17.89010198113
    91  139 18.0 10299114
    92  145 18.2 103100 
    93    18.4 103101 
    94    18.6 104101 
    95    18.7 105102 
    96    18.9 106102 
    97    19.0 106103 
    98    19.2 107  
    99    19.3 107  
    100    19.4 108  

Standards

Meets ASTM D2583; MIL-P-17549-C (SHIPS)

Procedure

  1. For accurate readings, material should be at least 1/32" thick and large enough for a minimum distance of 1/8" in any direction from the indenter point to the edge of the specimen. The testing area should be smooth and free from mechanical damage.
  2. Simply exert a light pressure against the instrument to drive the spring-loaded indenter into the material.
  3. The indenter must be perpendicular to the surface being tested.
  4. On very soft metal, the highest reading should be used since cold flow permits the spring-loaded indenter to continue penetration. Note:  Physical characteristics of very soft materials are such that uniform correlation between different hardness measuring systems cannot be established. For this reason, no conversion curves are offered for the 935 and 936 models. We recommend that Impressor hardness limits for each material be established by test.

Delivery Content

Comes complete with carrying case, 2 spare indenters, adjusting wrench , 2 uncertified test discs

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