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MH180

MH180 Hardness tester Compact plastic case,suitable for use under poor working conditions. Test at any angle, even upside down.

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:

WH180

 

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:
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:

WH180 SUPPORT

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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