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Leeb Hardness Tester / Leeb Hardness Meter / Durometer / Durometer Hardness / Hardness Durometer

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(What is Hardness)

SRL180 Hardness tester

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1  Advantages

-Wide measuring range. Based on the principle of Leeb hardness testing theory. -It can measure the Leeb hardness of all metallic materials.

-Large screen LCD,  showing all functions and parameters. With EL background light.

-Seven impact devices are available for special application. Automatically identify the type of impact devices.

-Test at any angle,  even upside down.

-Direct display of hardness scales HRB,  HRC,  HV,  HB,  HS,  HL

-Large memory could store 100 groups (Relative to average times 32~1 ) information including single measured value,  mean value,  impact direction,  impact times,  material and hardness scale etc.

-Battery information showing the rest capacity of the battery.

-User calibration function.

-Software to connect to PC via RS232 port. Micro printer support.

-Compact plastic case,  suitable for use under poor working conditions

-Continuous working period of no less than 100 hours with two alkaline batteries (AA size); Auto power off to save energy.

-Outline dimensions: 150¡Á74¡Á32 mm

-Weight: 245g

-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

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

 

 

 

 

 

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Testing range in HLD

No.

Material

HLD

Strength ¦Òb(MPa)

1

Mild steel

350~522

374~780

2

High-Carbon steel

500~710

737~1670

3

Cr steel

500~730

707~1829

4

Cr-V steel

500~750

704~1980

5

Cr-Ni steel

500~750

763~2007

6

Cr-Mo steel

500~738

721~1875

7

Cr-Ni-Mo steel

540~738

844~1933

8

Cr-Mn-Si steel

500~750

755~1993

9

Super strength steel

630~800

1180~2652

10

Stainless steel

500~710

703~1676

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-Error and repeatability of displayed value see Table1-1 below.

Table 1-1

No.

Type of impact device

Hardness value of Leeb standard hardness block

Error of displayed value

Repeatability

1

D

760¡À30HLD

530¡À40HLD

¡À6 HLD

¡À10 HLD

6 HLD

10 HLD

2

DC

760¡À30HLDC

530¡À40HLDC

¡À6 HLDC

¡À10 HLDC

6 HLD

10 HLD

3

DL

878¡À30HLDL

736¡À40HLDL

¡À12 HLDL

12 HLDL

4

D+15

766¡À30HLD+15

544¡À40HLD+15

¡À12 HLD+15

12 HLD+15

5

G

590¡À40HLG

500¡À40HLG

¡À12 HLG

12 HLG

6

E

725¡À30HLE

508¡À40HLE

¡À12 HLE

12 HLE

7

C

822¡À30HLC

590¡À40HLC

¡À12 HLC

12 HLC

-Measuring range: HLD(170~960)HLD

-Measuring direction: 0~360º

-Hardness Scale: HL,  HB,  HRB,  HRC,  HRA,  HV,  HS

-Display: segment LCD

-Data memory: max. 100 groups (relative to impact times 32~1)

-Working power: 3V(2 AA size alkaline batteries)

-Continuous working period: about 100 hours (With backlight off)

-Communication interface: RS232

Table 1-2

 

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

 

9

 

 

 

Optional Configuration

11

Cleaning brush (II)

1

For use with G type impact device

12

Other type of impact devices and support rings

 

Refer to Table 3 and Table 4 in the appendix.

13

Data Pro software

1

 

14

Communication cable

1

 

15

Micro Printer

1

 

16

Print cable

1

 

-Working temperature:  0ºC~+40ºC

-Storage temperature: -30ºC~+60ºC
-Relative humidity: ¡Ü90%;

-The surrounding environment should avoid of vibration,  strong magnetic field,  corrosive medium and heavy dust.

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:

1.6¦Ìm

1.6¦Ìm

0.4¦Ìm

6.3¦Ìm

1.6¦Ìm

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

 

¡Ý0.8mm

 

5mm

 

¡Ý0.8mm

 

1mm

 

¡Ý0.2mm

 

10mm

 

¡Ý1.2mm

 

5mm

 

¡Ý0.8mm

Size of tip indentation

Hardness 300HV

Indentation diameter

Depth of indentation

0.54mm

 

24¦Ìm

0.54mm

 

24¦Ìm

0.38mm

 

12¦Ìm

1.03mm

 

53¦Ìm

0.54mm

 

24¦Ìm

Hardness 600HV

Indentation diameter

Depth of indentation

0.54mm

 

17¦Ìm

0.54mm

 

17¦Ìm

0.32mm

 

8¦Ìm

0.90mm

 

41¦Ìm

0.54mm

 

17¦Ìm

Hardness 800HV

Indentation diameter

Depth of indentation

0.35mm

 

10¦Ìm

0.35mm

 

10¦Ìm

0.35mm

 

7¦Ìm

--

 

--

0.35mm

 

10¦Ìm

Available type of impact device

DC: Test hole or hollow cylindrical; DL: Test slender narrow groove or hole

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

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SRL310 Portable Hardness Tester

1.Advantages
-Wide measuring range. It can measure the hardness of all metallic materials. Direct display of hardness scales HRB, HRC, HV, HB, HS, HL and three types of strength values immediately.
-Large screen LCD, showing all functions and parameters. With EL background light.
-Seven impact devices are available for special application. Automatically identify the type of impact devices, and with the user calibration function.
-Test at any angle, even upside down.
-Large memory could store 100 groups (Relative to average times 32~1 ) information including single measured value, mean value, impact direction, impact times, material and hardness scale etc.
-Battery information showing the rest capacity of the battery and the charge status.
-Original imported high speed thermal printer support the immediate printing function. It can save data permanently.
-NI-MH rechargeable battery as the power source. Charge circuit integrated inside the instrument. Continuous working period of no less than 150 hours (EL off and no printing).
-Auto power off to save energy.
-Excellent after-sale service system for high quality products--two years¡¯ guarantee and all life maintenance. Easy to buy and comfortable to use.

2.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

3.Technical Specifications
-Error and repeatability of displayed value:

No.

Type of impact device

Hardness value of Leeb standard hardness block

Error of displayed value

Repeatability

1

D

760¡À30HLD

¡À6 HLD

6 HLD

530¡À40HLD

¡À10 HLD

10 HLD

2

DC

760¡À30HLDC

¡À6 HLDC

6 HLD

530¡À40HLDC

¡À10 HLDC

10 HLD

3

DL

878¡À30HLDL

¡À12 HLDL

12 HLDL

736¡À40HLDL

4

D+15

766¡À30HLD+15

¡À12 HLD+15

12 HLD+15

544¡À40HLD+15

5

G

590¡À40HLG 

¡À12 HLG 

12 HLG

500¡À40HLG 

6

E

725¡À30HLE

¡À12 HLE

12 HLE

508¡À40HLE

7

C

822¡À30HLC

¡À12 HLC

12 HLC

590¡À40HLC

-Measuring range: HLD(170~960)HLD
-Measuring direction: 0º~360º
-Hardness Scale: HL, HB, HRB, HRC, HRA, HV, HS
-Display: segment LCD
-Data memory: 100 groups max. (relative to impact times 32~1)
-Printing paper: width is (57.5¡À0.5)mm, diameter is 30mm.
-Battery pack: 6V NI-MH
-Battery charger: 9V/500mA
-Continuous working period: about 150 hours (With backlight off, no printing)
-Communication interface: USB1.1
-Outline dimensions: 212mm¡Á80mm¡Á32mm

4.Configuration

Table 1-2

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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

Battery Charger

1

9V 500mA

7

Paper for printing

1

¡¡

8

Manual

1

¡¡

9

Instrument package case

1

¡¡

Optional Configuration

11

Cleaning brush (II)

1

For use with G type impact device

12

Other type of impact devices and support rings

¡¡

Refer to Table 3 and Table 4 in the appendix.

13

DataPro software

1

¡¡

14

Communication cable

1

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SRL320 Portable Hardness Tester

1.Advantages
-Large screen(128¡Á64 dot matrix LCD), showing all functions and parameters.
-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 and three types of strength values immediately.
-Seven impact devices are available for special application. Automatically identify the type of impact devices.
-Large capacity memory could store 500 groups (Relative to average times32~1) information including single measured value, mean value, testing data, impact direction, impact times, material and hardness scale etc.
-Upper and lower limit can be preset. It will alarm automatically when the result value exceeding the limit.
-Battery information indicates the rest capacity of the battery and the charge status.
-User calibration function.
-USB port with the PC humanity multi-functions data proceeding software.
-Original imported high speed thermal printer support the immediate printing function. It can save data permanently.
-NI-MH rechargeable battery as the power source. Charge circuit integrated inside the instrument. Continuous working period of no less than 150 hours (EL off and no printing).
-Auto power off to save energy.
-Excellent after-sale service system for high quality products---two years¡¯ guarantee and all life maintenance. Easy to buy and comfortable to use.

Compact plastic case
2.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
3.Technical Specifications
-Measuring range: HLD(170~960)HLD
-Measuring direction: 360º
-Hardness Scale: HL, HB, HRB, HRC, HRA, HV, HS
-Display: dot matrix LCD, 128¡Á64 dots
-Data memory: 500 groups max. (relative to impact times 32~1)
-Printing paper: width is (57.5¡À0.5)mm, diameter is 30mm
-Battery pack: 6V NI-MH
-Battery charger: 9V/500mA
-Continuous working period: about 150 hours (With backlight off, no printing)
-Communication interface: USB1.1
-Outline dimensions: 212mm¡Á80mm¡Á32mm

4.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

Battery Charger

1

9V 500mA

7

Paper for printing

1

¡¡

8

Manual

1

¡¡

9

Instrument case

1

¡¡

Optional Configuration

11

Cleaning brush (II)

1

For use with G type impact device

12

Other type of impact devices and support rings

¡¡

Refer to Table 3 and Table 4 in the appendix.

13

DataPro software

1

¡¡

14

Communication cable

1

¡¡

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SRL100D Pen Type Hardness Tester

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Overview
With the Leeb hardness measuring principle, 

the pen-type hardness tester MH100 can do test easily and quickly to various metallic material. 

It can show the hardness measuring value immediately and can switch to other scales freely.

Specification

*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 : Supprt 0~360º
*Hardness Scales: HL, HB,  HRB,  HRC, HRA, HV,  HS
*Display: HD dox matrix LCD and LED backlight
*Data Memory: Max. 500 groups (relative to impact device 32~1)
*Working Power: 3.6V (Integrated Lithium battery and rechargable circuit)

*Continous Working Period: about 200 hours (without using backlight)
*Communciation Interface: USB1.1 port
 Applicable Materials

Applicable materials: steel and cast steel, cold work tool steel, stainess stee;. Grey cast iron, nodular cast iron, cast aluminum alloys,

BRASS (copper-zinc alloys), BRONZE(copper-aluminum/tin alloys), pure copper and forged steel
 Working Conditions 

Operating temperature -20¡ãC~+60¡ãC

Storage temperature: -30¡ãC~+60¡ãC

Relative humidity: ¡Ü90%

The surrounding environment should avoid of vibration, strong magnetic field, corrosive medium and heavy dust. 

Standard Configurations 
1. Main Unit      1
2. Cleaning brush  1
3. Small support ring  1 

4. Standard block   1

5. Dataproceeding Soatware with cable  1 
6. Accompany documents (including manual, quality certifcate, warranty card and packing list )  1 set 
7. ABS instrument case 1 

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Impact Devices for above meters

 ( If you need user manual or E-catalogue for above meters, please ask for at: xiushunjie@gmail.com )

For shore hardness testers, please click here: shore hardness tester