Hot Selling High Accuracy Advanced Portable Digital Hardness Tester Product Description Application Fields:
The bearings and other parts, heavy work-pieces, metal material, pressure vessel, failure analysis of turbine generator unit and equipment Mechanical or permanent assembly components have been installed, the test space is very narrow, requires the original record regular test results Large work-piece within a wide range of more rapid test measurement site
Measuring Conditions: The weight of measuring object ≥ 2kg. The thickness must be ≥ 10mm. The surface roughness must be ≤ 1.6μm. Tips: If do not meet the above conditions, the measuring object should be laminated with steel substrate by coupling agents.
Product Parameters Special Supporting Ring ( use for different shape surface):
Optional Impact Device | DC/D/DL/DS | D+15 | C | G | E |
Impact energy | 11mj | 11mj | 2.7mj | 90mj | 11mj |
Impact body weight | 5.5/5.5/7.2/5.5(g) | 7.8(g) | 3.0(g) | 20(g) | 5.5(g) |
Hardness of Impact Ball | 1600HV | 1600HV | 1600HV | 1600HV | 5000HV |
Diameter of Impact Ball | 3mm | 3mm | 3mm | 5mm | 3mm |
Material of Impact Ball | Tungsten carbide | Tungsten carbide | Tungsten carbide | Tungsten carbide | Diamond |
Diameter of Impact Device | 20/20/6/20mm | 20mm | 20mm | 30mm | 20mm |
Length of Impact Device | 86/147/202/138mm | 162mm | 141mm | 254mm | 155mm |
Weight of Impact Device | 50/75/60/70g | 80g | 75g | 250g | 80g |
Specimen Maximum Hardness | 940/940/950/940HV | 940HV | 1000HV | 650HB | 1200HV |
Average roughness of specimen surface(Ra) | 1.6μm | 1.6μm | 0.4μm | 6.3μm | 1.6μm |
Specimen Minimum Weight |
Direct Measurement Weight | >5kg | >5kg | >1.5kg | >15kg | >5kg |
Need to support fixed Weight | 2~5kg | 2~5kg | 0.5~1.5kg | 5~15kg | 2~5kg |
Need coupling support Weight | 0.05~2kg | 0.05~2kg | 0.05~0.5kg | 0.5~5kg | 0.05~2kg |
Specimen Minimum Thickness |
Need coupling support Thickness | 5mm | 5mm | 1mm | 10mm | 5mm |
Hardening Layer Minimum Thickness | ≥0.8mm | ≥0.8mm | ≥0.2mm | ≥1.2mm | ≥0.8mm |
Size of Ball Indentation |
300HD Indentation Diameter | 0.54mm | 0.54mm | 0.38mm | 1.03mm | 0.54mm |
300HD Indentation Depth | 24μm | 24μm | 12μm | 53μm | 24μm |
600HD Indentation Diameter | 0.54mm | 0.54mm | 0.32mm | 0.90mm | 0.54mm |
600HD Indentation Depth | 17μm | 17μm | 8μm | 41μm | 17μm |
800HD Indentation Diameter | 0.35mm | 0.35mm | 0.35mm | --- | 0.35mm |
800HD Indentation Depth | 10μm | 10μm | 7μm | --- | 10μm |
Impact Device Scope of application | DC:Inner hole/within the cylinder; DL:slender narrow slot /hole;D:Conventional DS:Assembly line on-line detection (loading and release is only one time) | D+15:Interface is small,long, groove or the surface of the recess | C:Impact is small, undamagehardening layer, For small, light, thin parts and hardening layer | G:For castings and forgings of large, thick, heavy and surface is rough | E:Suitable for measuring material with very high hardness |