Beberapa jenis probe Leeb yang tersedia untuk aplikasi yang berbeda sesuai dengan ASTM A956 Produk Merk Novotest :
Type of probe | D | DC | DL | D+15 | C | G | ||
1. Application | For the majority of your hardness testing requirements. | Use in very confined spaces, e.g. in holes, cylinders or for internal measure‐ ments on assembled machines. | For measurements in extremely confined spaces or at the base of grooves. | For measurements in grooves or recessed surface. | Surface hardened components, coatings, thin walled or impact sensitive components (small measuring indentation). | Solid components. E.g. heavy castings and forgings. | ||
2. Impact energy | 11Nmm | 11Nmm | 11Nmm | 11Nmm | 3Nmm | 90Nmm | ||
3. Mass of impact body | 5.5g | 5.5g | 7.3g | 7.8g | 3g | 20g | ||
4. Tip |
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3mm | 3mm | 3mm | 2.78mm | 3mm | 5mm | |
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1600HV | 1600HV | 1600HV | 1600HV | 1600HV | 1600HV | ||
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Tungsten carbide | Tungsten carbide | Tungsten carbide | Tungsten carbide | Tungsten carbide | Tungsten carbide | ||
5. Impact device |
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147mm | 86mm | 202mm | 162mm | 141mm | 254mm | |
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20mm | 20mm | 20mm | 20mm | 20mm | 30mm | ||
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75g | 50g | 100g | 80g | 75g | 250g | ||
6. Max. hardness of sample | 940HV | 940HV | 950HV | 940HV | 1000HV | 650HB | ||
7. The average roughness of sample | Ra: 1.6μm | Ra: 1.6μm | Ra: 1.6μm | Ra: 1.6μm | Ra: 0.4μm | Ra: 6.3μm | ||
8. Min. weight of sample |
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5 kg / 11lbs | 5 kg / 11lbs | 5 kg / 11lbs | 5 kg / 11lbs | 1.5 kg / 3.3 lbs | 15 kg / 33 lbs | |
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2 kg / 4.5 lbs | 2 kg / 4.5 lbs | 2 kg / 4.5 lbs | 2 kg / 4.5 lbs | 0.5 kg / 1.1 lbs | 5 kg / 11 lbs | ||
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0.05 kg / 0.2 lbs | 0.05 kg / 0.2 lbs | 0.05 kg / 0.2 lbs | 0.05 kg / 0.2 lbs | 0.02 kg / 0.045 lbs | 0.5 kg / 1.1 lbs | ||
9. Min. thickness of sample |
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25 mm / 0.98 inch | 25 mm / 0.98 inch | 25 mm / 0.98 inch | 25 mm / 0.98 inch | 15 mm / 0.59 inch | 70 mm / 2.73 inch | |
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3 mm / 0.12 inch | 3 mm / 0.12 inch | 3 mm / 0.12 inch | 3 mm / 0.12 inch | 1 mm / 0.04 inch | 10 mm / 0.4 inch | ||
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0.8 mm / 0.03 inch | 0.8 mm / 0.03 inch | 0.8 mm / 0.03 inch | 0.8 mm / 0.03 inch | 0.2 mm / 0.008 inch | |||
10. Indentation size on test surface with 300 HV, 30 HRC |
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0.54 mm / 0.21 inch | 0.54 mm / 0.21 inch | 0.54 mm / 0.21 inch | 0.54 mm / 0.21 inch | 0.38 mm /0.015 inch | 1.03 mm / 0.04 inch | |
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24 μm / 960 μinch | 24 μm / 960 μinch | 24 μm / 960 μinch | 24 μm / 960 μinch | 12 μm / 480 μinch | 53 μm / 2120 μinch | ||
11. Indentation size on test surface with 600 HV, 55 HRC |
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0.45 mm /0.017 inch | 0.45 mm /0.017 inch | 0.45 mm /0.017 inch | 0.45 mm /0.017 inch | 0.32 mm / 0.012 inch | 0.9 mm / 0.035 inch | |
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17 μm / 680 μinch | 17 μm / 680 μinch | 17 μm / 680 μinch | 17 μm / 680 μinch | 8 μm / 2560 μinch | 41 μm / 1640 μinch | ||
12. Indentation size on test surface with 800 HV, 63 HRC |
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0.35 mm / 0.013 inch | 0.35 mm / 0.013 inch | 0.35 mm / 0.013 inch | 0.35 mm / 0.013 inch | 0.30 mm / 0.011 inch | ||
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10 μm / 400 μinch | 10 μm / 400 μinch | 10 μm / 400 μinch | 10 μm / 400 μinch | 7 μm / 280 μinch |