The 934-1 Barber-Coleman Barcol Impressor is a portable indentation type Hardness Tester used to measure the hardness of aluminium, aluminium alloys, copper and brass.

The Barcol Impressor is also suitable for testing composite materials such as carbon fibre, epoxy, glass fibre reinforced plastics, rigid plastics, and so on.

It is particularly useful where a Webster type hardness tester cannot test the thick-walled aluminum extrusions. 

Please refer to ASTM B648-00, ASTM D2583-07 and MIL-P-17549-C standards.


Standard model for aluminium, alloys, copper, brass etc. 

Sample thickness Requirements: >0.8 mm



  • Range: 0 to 100 HBa (25 to 150 HBW Brinell)
  • Indenter: 26° pan head cone, head face diameter 0.176mm
  • Error: ≤ ±1~2 HBa
  • Weight: 0.5 Kg


Standard Kit includes:

  • Tester 
  • Spare indenter (2 pieces) 
  • High value standard test block 
  • Low value standard test block 
  • Calibration wrench 
  • Leg
  • Carrying case 


ASTM B648-00

ASTM D2583-07

Test Brinell hardness from 25 to 150 HBW 

SKU 934-1
Shipping Weight 1.5000kg
Shipping Width 3.000m
Shipping Height 0.100m
Shipping Length 0.200m
Shipping Cubic 0.060000000m3

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