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You are here: Home » Products » Hardness Tester » Webster Hardness Tester » FEMA Portable Webster Hardness Tester

Suzhou Fema Precision Instrument Co.,Ltd
 86-512-5786 0100
  86-180 6808 7301
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FEMA Portable Webster Hardness Tester

Webster hardness tester is the first selected instrument for testing Aluminum profiles mechanical property in accordance with American Standard ASTM B647.It is a portable instrument which can perform on-site hardness test on aluminum alloys. The testing result can be read only through one clip. Convenient, efficient and reliable.
Used for quickly testing the hardness of aluminum profiles, tubings, sheets, accessories and other soft metal. Especially suitable for quick, non-destructive on-site one-by-one final products qualification test. Webster hardness tester can be also used for testing hardness of copper, brass and soft steel.

  • W-20 W-20a W-20b W-B75 W-B75b W-BB75 W-BB75b W-B92
  • FEMA
  • 0-20HW (equivalent to 20-110HRE)
  • 0.5HW (8-17HW)
  • 0.5HW (8-17HW)
  • 0.5kg
Indentor: Advanced material, new technology manufactured, higher hardness, long service life, good interchangeability.
Indicator: High strength indicator, uneasy to be curved or transformative by long-term used or mis-operation.
Dial Glass: High strength, high toughness, uneasy to be broken by impact.
Handle: Casting aluminum alloy material, anodized upper handle, nice appearance, high wear resistance and stain resistance.
Hardness Blocks: Hardness blocks are tested by standard hardness tester, attached with test report.
Good Stability: Stable full scale point, stable calibration point, indicator never glides.
Convenient Conversion: Results can be easily converted to Vickers, Rockwell and Brinell.
Technical Parameters
Testing Range: 0-20HW (equivalent to 20-110HRE)
Resolution: 0.5HW (8-17HW)
Repeatability: 0.5HW (8-17HW)
Weight: 0.5kg
Standard Package & Optional Accessories
Standard Package Optional Accessories
Tester Spare indenter
Standard hardness blocks Standard hardness blocks
Spare indenter Dial Glass
Calibration wrench
Small screwdriver
Carrying case
Model Selection
Model Application Range Hardness Range Workpiece Dimension (mm)
W-20 universal type, used to test normal aluminum profiles 25-110HRE
Thickness 0.6-6
Inner Diameter >10
W-20a used to test aluminum profiles with thickness>13mm Thickness 0.6-13
Inner Diameter >10
W-20b used to test aluminum tubings with inner diameter>6mm Thickness 0.6-8
Inner Diameter >6
W-B75 used to test brass tubings, brass sheets. 63-105HRF Thickness 0.6-6
Inner Diameter >10
W-B75b Thickness 0.6-8
Inner Diameter >6
W-BB75 used to test copper tubings, copper sheets 18-100HRE Thickness 0.6-6
Inner Diameter >10
W-BB75b Thickness 0.6-8
Inner Diameter >6
W-B92 used to test soft stainless steel, cold-rolled steel 50-92HRB Thickness 0.4-6
Inner Diameter >10



  No. 289, Wangshan Road ,YuShan Town,Kunshan,Jiangsu Province,PRC.
 86-512-5786 0100
  86-189 5245 1800
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