RAYTECH NDT INSTRUMENT CO.,LTD
RAYTECH NDT INSTRUMENT CO.,LTD High quality, Best service,Reasonable price.
Add to Cart
Hardness Testers, Hardness tester probes with different types D/DC/DL/C/D+15/E/G
| Type of impact device | DC(D)/DL | D+15 | C | G | E |
| Impacting energy Mass of impact body | 11mJ 5.5g/7.2g | 11mJ 7.8g | 2.7mJ 3.0g | 90mJ 20.0g | 11mJ 5.5g |
| Test tip hardness: Dia. Test tip: Material of test tip: | 1600HV 3mm Tungsten carbide | 1600HV 3mm Tungsten carbide | 1600HV 3mm Tungsten carbide | 1600HV 5mm Tungsten carbide | 5000HV 3mm synthetic diamond |
| Impact device diameter: Impact device length: Impact device weight: | 20mm 86(147)/75mm 50g | 20mm 162mm 80g | 20mm 141mm 75g | 30mm 254mm 250g | 20mm 155mm 80g |
| Max. hardness of sample | 940HV | 940HV | 1000HV | 650HB | 1200HV |
| Mean roughness value of sample surface Ra: |
1.6μm | 1.6μm | 0.4μm | 6.3μm | 1.6μm |
| Min. weight of sample: Measure directly(need support) Need coupling tightly | >5kg 2～5kg 0.05～2kg | >5kg 2～5kg 0.05～2kg | >1.5kg 0.5～1.5kg 0.02～0.5kg | >15kg 5～15kg 0.5～5kg | >5kg 2～5kg 0.05～2kg |
| Min. thickness of sample Coupling tightly Min. layer thickness for surface hardening | 5mm ≥0.8mm | 5mm ≥0.8mm | 1mm ≥0.2mm | 10mm ≥1.2mm | 5mm ≥0.8mm |
| Size of tip indentation | |||||||||
| Hardness 300HV |
Indentation diameter Depth of indentation
| 0.54mm 24μm |
0.54mm 24μm |
0.38mm 12μm |
1.03mm 53μm |
0.54mm 24μm | |||
| Hardness 600HV | Indentation diameter Depth of indentation | 0.54mm 17μm | 0.54mm 17μm | 0.32mm 8μm |
0.90mm 41μm |
0.54mm 17μm | |||
| Hardness 800HV |
Indentation diameter Depth of indentation
| 0.35mm 10μm | 0.35mm 10μm | 0.35mm 7μm | -- -- | 0.35mm 10μm | |||
| Application | DC type used to measuring hole or inside face of cylinder, DL type used to measuring elongated narrow slot or hole, D type for routine measurements. | Suitable for measuring surface of the trench or concave. | Suitable for measuring thin workpiece and harden surface. | Suitable for heavy or rough castings and forgings. | Suitable high hardness material. | ||||
|
| Various type of standard testing block | | Connecting cable | ||||||