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MH180 Hardness tester
- 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.
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 | 1 | 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 |
Technical Specifications:
- Measuring range：
(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： 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
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 | 80～638 | 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 | 80～935 | 100～941 | 82～1009 | ||
HV | 80～898 | ||||||
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: | 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 | 11mJ | 2.7mJ | 90mJ | 11mJ |
Test tip hardness: Dia. Test tip: | 1600HV 3mm | 1600HV 3mm Tungsten carbide | 1600HV 3mm | 1600HV 5mm | 5000HV 3mm |
Impact device diameter: Impact device length: | 20mm | 20mm 162mm | 20mm 141mm | 30mm 254mm | 20mm 155mm |
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 | >5kg 2～5kg | >5kg 2～5kg 0.05～2kg | >1.5kg 0.5～1.5kg | >15kg 5～15kg 0.5～5kg | >5kg 2～5kg 0.05～2kg |
Min. thickness of sample Coupling tightly | 5mm | 5mm | 1mm | 10mm | 5mm |
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:
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～∞ |
