Vertex Engineers & Associates

Webster Hardness Tester

Product Description:

• Webster Hardness Tester is a portable instrument which can perform on-site hardness testing on soft materials. By a quick and easy test, the hardness value can be read out directly with a simple clamp, in accordance with American Standard ASTM B647.

Technical Parameters:

• Measuring Range : 0-20HW (Equivalent to 20-110 HRE, Model W-20)
• Resolution : 0.5 HW
• Accuracy : 0.5 HW
• Hardness Range in Rockwell scale : 25-110HRE, 58-131HRV
• Specimen Dimension(mm): Thickness 0.4 – 6; Inner diameter>10