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Features
Small in size, light in weight
Easy operation like micrometer, can use in office or outside
Reliable test results, equal accuracy with the desktop machine, complies to GB/T230.2
Traceable standard hardness block and test power
Technical specifications
| Initial test power | 10 kgf |
| Total test power | 60 kgf,100 kgf,150 kgf |
| Pressure head | 120°diamond pressure head ,1.588 mm hardened alloy ball |
| Indicating error | GB/T230.2 standard |
| Repeated error | GB/T230.2 standard |
| Resolution | 0.5 HR |
| Test scope | HRA,HRB,HRC etc( totally 15) |
| Application scope | normal metal, including steel, copper, aluminum, nickel, titanium, lead, tin, carburized layer, hardened alloy |
| Model | Sample(opening) size(W*D)mm | Weight(kg) | Packing size(L*W*H)mm | ||
| Main machine | Support base | Main machine | Support base | ||
| PRH-1 | 25*25 | 0.8 | 1.5 | 330*255*150 | 232*215*148 |
| PRH-2 | 50*50 | 1.2 | 1.5 | 390*280*160 | 232*215*148 |
| PRH-4-2 | 100*50 | 1.5 | 4.5 | 510*375*177 | 232*215*148 |
| PRH-4-4 | 100*100 | 2.65 | 4.5 | 510*375*177 | 232*215*148 |
Standard configuration
| Main machine | 1set |
| Support | 1pc |
| Diamond pressure head | 1pc (120°cone) |
| Steel ball pressure head | 1pc(ø1.588 mm) |
| Flat anvil base | 1pc |
| V shape anvil base | 1pc |
| Standard hardness block | 3pcs |
| Extension bar | 1~2pc |
| Carrying case | 1pc |
Optional accessories
- Standard hardness block: HRA, HRB( high value), HRC( high/middle/low value)
- Steel ball pressure head:(Ø3.175 mm,Ø6.35 mm,Ø12. 7mm)for softer metal material
- Ball test anvil bed: (1/2″,1″,1-1/3″)for test Ø2.5 mm~Ø80mm ball
- Concave cylinder anvil bed: ( 1/2″,3/4″,1″)for test of concave curved plate or large diameter
- shaft sample
- Convex cylinder anvil bed:(1/2″,3/4″,1″ )for test of convex curved plate or large diameter tube sample
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