20HW Webster Aluminium Hardness Testing HUATEC Webster Hardness Tester
HUATEC brand Webster hardness tester is a small handheld instrument, it is small size, light weight, can be operated by one hand, can be fast, convenient, nondestructive testing metal material hardness, it does not need test sample, very suitable for the production site of the material for rapid hardness testing.
The indenters of each type of Webster hardness testers are different. The shapes of three types of indenters are shown as Fig.below:
Technical parameters
Festing Range:0~20HW
Accuracy:0.5HW
Eqnivaient range:See Table 1
Weight:0.5kg
Model Guide
| Model | Application | Hardness range | Workpiece size (mm) |
| HHW-20 | Aluminum profiles |
25 - 110HRE, 58 - 131HV |
Thickness 0.6-6, inner diameter >10 |
| HHW-20A |
Thickness 0.6-13, inner diameter >10 |
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| HHW-20B |
Thickness 0.6-8, inner diameter >6 |
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| HHW-B75 | Brass | 63 - 105HRF |
Thickness 0.6-6, inner diameter >10 |
| HHW-B75B |
Thickness 0.6-8, inner diameter >6 |
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| HHW-BB75 | Red copper | 18 - 100HRE |
Thickness 0.6-6, inner diameter >10 |
| HHW-BB75B |
Thickness 0.6-8, inner diameter >6 |
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| HHW-B92 |
Stainless steel sheets, cold-rolled steel |
50 - 92HRB |
Thickness 0.4-6, inner diameter >10 |
Operating Method
Put the specimen between the anvil and the indenter and press down the handle until thebottom is felt. At the time the dial indicator will point at a reading which is the hardness valueobtained. Excessive pressure beyond this limit will not damage the tester, but it is unnecessary.Hold tight the handle when reading the value. Any torsion or movement will make the reading incorrect during the test.
Standard Package
1 Hardness tester
1 Standard hardness block (attached with measurement and inspection report)
1 Spare indenter
1 Wrench
1 Small screwdriver
1 Instruction manual
1 Carrying case
Optional Accessories
Spare indenter
Standard hardness block
Spare dial glass
