Portable Hardness Tester Leeb Hardness Tester Metal Hardness Tester
RHL-40B Features: - Compact plastic case,suitable for use under poor working
conditions. Test at any angle, even upside down.
- Wide measuring range. It can measure the hardness of all metallic
materials. Direct display of hardness scales HRB, HRC, HV, HB, HS,
HL
- Large screen (segment LCD), showing all functions and parameters.
With EL background light.
- Large capacity memory could store 100 groups information.
- Datapro Software to connect with PC via RS232 port. Micro printer
support
- Software calibration function.
Technical Specifications:(170-960)HLD,(17-68.5)HRC,(19-651)HB,(80-976)HV,(30-100)HS,(59-85)HRA,(13-100)HRB - Measuring direction:360°(↓↖↗↘↙→←↑)
- Hardness Scale:HL,HB,HRB,HRC,HRA,HV,HS
- Display:segment LCD
- Data memory:max. 100 groups(relative to impact times 32~1)
- Working voltage:3V(2 AA size alkaline battery)
- Continuous working period:about 100 hours(With backlight off)
- Communication interface:RS232
Main Application - Die cavity of molds
- Bearings and other parts
- Failure analysis of pressure vessel, steam generator and other
equipment
- Heavy work piece
- The installed machinery and permanently assembled parts.
- Testing surface of a small hollow space
- Material identification in the warehouse of metallic materials
- Rapid testing in large range and multi-measuring areas for
large-scale work piece
Configuration: | No. | Item | Quantity | Remarks | Standard Configuration | 1 | Main unit | 1 | | 2 | D type impact device | 1 | With cable | 3 | Standard test block | 1 | | 4 | Cleaning brush (I) | 1 | | 5 | Small support ring | 1 | | 6 | Alkaline battery | 2 | AA size | 7 | Manual | 1 | | 8 | Instrument package case | 1 | | Optional Configuration | 9 | Cleaning brush (II) | 1 | For use with G type impact device | 10 | Other type of impact devices and support rings | | Refer to Table 3 and Table 4 in the appendix. | 11 | DataPro software | 1 | | 12 | Communication cable | 1 | | 13 | Micro Printer | 1 | | 14 | Print cable | 1 | |
Testing range:
Other type of impact devices Material | Method | Impact device | D/DC | D+15 | C | G | E | DL | Steel and cast steel | HRC | 20~68.5 | 19.3~67.9 | 20.0~69.5 | | 22.4~70.7 | 20.6~68.2 | HRB | 38.4~99.6 | | | 47.7~99.9 | | 37.0~99.9 | HRA | 59.1~85.8 | | | | 61.7~88.0 | | HB | 127~651 | 80~638 | 80~683 | 90~646 | 83~663 | 81~646 | HV | 83~976 | 80~937 | 80~996 | | 84~1042 | 80~950 | HS | 32.2~99.5 | 33.3~99.3 | 31.8~102.1 | | 35.8~102.6 | 30.6~96.8 | Cold work tool steel | HRC | 20.4~67.1 | 19.8~68.2 | 20.7~68.2 | | 22.6~70.2 | | HV | 80~898 | 80~935 | 100~941 | | 82~1009 | | Stainless steel | HRB | 46.5~101.7 | | | | | | HB | 85~655 | | | | | | HV | 85~802 | | | | | | Grey cast iron | HRC | | | | | | | HB | 93~334 | | | 92~326 | | | HV | | | | | | | Nodular cast iron | HRC | | | | | | | HB | 131~387 | | | 127~364 | | | HV | | | | | | | Cast aluminium alloys | HB | 19~164 | | 23~210 | 32~168 | | | HRB | 23.8~84.6 | | 22.7~85.0 | 23.8~85.5 | | | BRASS(copper-zinc alloys) | HB | 40~173 | | | | | | HRB | 13.5~95.3 | | | | | | BRONZE(copper-aluminium/tin alloys) | HB | 60~290 | | | | | | Wrought copper alloys | HB | 45~315 | | | | | |
Available type of impact device | | DC: Test hole or hollow cylindrical | D+15: Test groove or reentrant surface | C:Test small, light, thin parts and surface of hardened layer | G: Test large, thick, heavy and rough surface steel | E: Test super high hardness material | DL: Test slender narrow groove or hole |
Testing conditions: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 firmly 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 |
Support rings for Shaped Materials:
Other type of support rings No. | Type | Sketch of non-conventional Supporting ring | Remarks | 1 | Z10-15 | | For testing cylindrical outside surface R10~R15 | 2 | Z14.5-30 | For testing cylindrical outside surface R14.5~R30 | 3 | Z25-50 | For testing cylindrical outside surface R25~R50 | 4 | HZ11-13 | | For testing cylindrical inside surface R11~R13 | 5 | HZ12.5-17 | For testing cylindrical inside surface R12.5~R17 | 6 | HZ16.5-30 | For testing cylindrical inside surface R16.5~R30 | 7 | K10-15 | | For testing spherical outside surface SR10~SR15 | 8 | K14.5-30 | For testing spherical outside surface SR14.5~SR30 | 9 | HK11-13 | | For testing spherical inside surface SR11~SR13 | 10 | HK12.5-17 | For testing spherical inside surface SR12.5~SR17 | 11 | HK16.5-30 | For testing spherical inside surface SR16.5~SR30 | 12 | UN | | For testing cylindrical outside surface, radius adjustable R10~∞ |
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