Features of W-B75 Web Hardness Tester
1. Indenter
With imported special steel material, new manufacturing technology , Higher hardness, excellent toughness, Long life, good interchangeability. imported packaging from Germany, Have comprehensive protection for the indenter.
2. Indicator Hand
High strength’s pointer: no easy bending deformation after long time using or wrong operation.
3. Dial Glass
High strength and high toughness’ dial glass, No easy to break after shocking.
4. Handle
Forged aluminum alloy material, Anodic oxidation handle. Handle friendly, wear-resistant, pollution- resistant.
5. Hardness Blocks
Use standard Rockwell hardness blocks, with strict accordance to the metrological verification regulations. The number and hardness values with laser etching. Data in the validity can be traced to check. The surface roughness and flatness conform to the requirements of regulations.
6. High-quality
Well parts processed, Precision of machine assembly, High quality inspection, Ensure the equipment of high standard.
7. Stability
Stability with full scale values, Calibration points stability, Pointer no "crawl".
8. Conversion
Attached conversion list through product manual or "hardness conversion" applications, Webster hardness values can be converted to Vickers, Rockwell and Brinell hardness value.
9. Portability
The high quality portable instrument box fits for sponge buffer very well. No only provide portability for instruments but also offer the maximum protection at same time.
Technical Parameters of W-B75 Webster Hardness Tester
Range | 0-20 HW /equivalent 53-92 HRB, and 87-109 HRF/ |
Indicator Error | 0.5 HW /5 -17 HW/ |
Repeatability Error | 0.5 HW /5 -17 HW/ |
Weight | 0.5 kg |
Maximum specimen thickness | comparing and according to opening size and model |
Minimum sample inner diameter | comparing and according to the anvil size and model |
Comparison of W-B75 Webster Hardness Tester
W-B75 series brass alloy Webster hardness testers have two models: W–B75 Webster hardness tester is mainly used for inspection of brass alloy tubes and plate, W–B75b type for testing small brass alloy pipes which of the inner diameter is greater than 6 mm.
W–20 Webster hardness testers are suitable for testing the hardness of aluminum alloy, W-BB75 Webster hardness testers for copper alloy, and W-B92 are suitable for stainless steel and mild steel.
MODELS
W-20 | the most popular model, used to test normal aluminum profiles.Thickness 0.4-6mm, inner diameter>10mm |
W-20a | used to test aluminum profiles with thickness within 13 mm. |
W-20b | used to test aluminum tubings with inner diameter over 6 mm. |
WB75 | used to test brass tubings and brass sheets. Thickness 0.4-6mm, inner diameter>10mm |
W-B75b | used to test brass tubings and brass sheets.Thickness 0.4-8mm, inner diameter>6mm |
WBB75 | used to test copper tubings and copper sheets. Thickness 0.4-6mm, inner diameter>10mm |
W-BB75b | used to test copper tubings and copper sheets. Thickness 0.4-8mm, inner diameter>6mm |
W-B92 | used to test soft stainless steel sheets, cold-rolled steel, etc. Thickness 0.4-6mm, inner diameter>10mm |
Standard Delivery of W-B75 Webster Hardness Tester
| STANDARD ASSEMBLY： |
| Tester |
| Standard hardness block |
| Spare indenter |
| Calibration wrench |
| Small screwdriver |
| Carrying case |
| Dial assembly |
Optional Delivery of W-B75 Webster Hardness Tester
| OPTIONAL ACCESSORIES： |
| Indenter |
| Standard hardness block |
| Dial glass |
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