Series 640

FEATURES

  • For testing the hardness of various materials to determine the rockwell hardness to scales A, B and C.
  • Unit is designed with mechanical loads for precise hardness readings.
  • Conform to the requirements of ASTM E18, ISO 6508-2 and GB/T 230.2 standards.
  • Readings provided to a minimum resolution 0.5HR.

STANDARD ACCESSORIES

  • Diamond cone penetrator           1pc
  • V-notch anvil                                   1pc
  • Small flat anvil                                1pc
  • Large flat anvil                                1pc
  • Rockwell standard                        5pcs
  • 1/16”steel ball penetrator             1pc
  • Instruction manual                        1pc

PRODUCT SPECIFICATIONS

RangeTest ForceTest HeightThroat DepthCode No. 
20-88HRA
20-100HRB
20-70HRC
588.4, 980.7,
1471N (60, 100, 150kgf)
170mm 135mm 640-01-0
20-88HRA
20-100HRB
20-70HRC
588.4, 980.7, 
1471N (60, 100, 150kgf)
400mm 160mm 640-02-0
RangeTest ForceTest HeightThroat DepthCode No. 
20-88HRA
20-100HRB
20-70HRC
588.4, 980.7,
1471N (60, 100, 150kgf)
170mm 135mm 640-01-0
20-88HRA
20-100HRB
20-70HRC
588.4, 980.7, 
1471N (60, 100, 150kgf)
400mm 160mm 640-02-0
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