Beijing Cap High Technology Co., Ltd.

Leeb hardness tester AHT200

Leeb hardness tester AHT200

● LCD display of 128×64 matrix is used.
● Hardness scales(HV ,HB,HRC,HRB,HRA,HS).
● RS232 interface and USB to PC
● Max 600 groups(impact times:32~1)of data can be stored at internal.
● Back light display has been used to make convenient or the user in poor light.
● Upper and lower limit can be preset. It will alarm automatically when the result value exceeding the limit.

Product Description

Product name: Leeb Hardness Tester
Product category: Portable Hardness Tester
Product type: AHT200
Price: Contact us

Features
● LCD display of 128×64 matrix is used.
● Hardness scales(HV ,HB,HRC,HRB,HRA,HS).
● RS232 interface and USB to PC
● Max 600 groups(impact times:32~1)of data can be stored at internal.
● Back light display has been used to make convenient or the user in poor light.
● Upper and lower limit can be preset. It will alarm automatically when the result value exceeding the limit.
● Material of “cast steel” is added HB values can be read out directly when D/DC impact device is used to measure “cast steel” workpiece.
● Power is two of AA battery. Continuous working period: approx. 100 h (no back light on).
● Software of PC can be installed according to the requirements of user. The function will be more powerful to satisfy the more demands of quality     control  and  management.  

Testing range see table 1 and table 2.

Table 2

No.

Material

HLD

Strength σb(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

 

 

Impact devices Application : 

Impact device D : 

For the majority of the hardness measurement

Impact device DC:

For very small place ( holes, cylindrical Park) measurement

Impact device D + 15

For the groove or concave surface hardness measurement

Impact device E

For extremely high hardness, high content of carbide tool steel hardness measurement

Impact device C

For surface hardening components, surface covering layer, the hardness measurement of thin wall 

Impact device G

Only for the dense parts which Brinell hardness value in the range of 650HB hardness measurement

Impact device DL

For deep trough bottom or surface ( such as a tooth ) and other parts of the measurement

  • Features
    ● LCD display of 128×64 matrix is used.
    ● Hardness scales(HV ,HB,HRC,HRB,HRA,HS).
    ● RS232 interface and USB to PC
    ● Max 600 groups(impact times:32~1)of data can be stored at internal.
    ● Back light display has been used to make convenient or the user in poor light.
    ● Upper and lower limit can be preset. It will alarm automatically when the result value exceeding the limit.
    ● Material of “cast steel” is added HB values can be read out directly when D/DC impact device is used to measure “cast steel” workpiece.
    ● Power is two of AA battery. Continuous working period: approx. 100 h (no back light on).
    ● Software of PC can be installed according to the requirements of user. The function will be more powerful to satisfy the more demands of quality     control  and  management.

    l Installed machine or abiding assembly parts; such as boiler, metal pipes and turbo vanes.

    l Mould; large producing part: roller, crank, tramroad of the machine and so on.

    l Invalidation analysis of pressure vessel, steam generator and other equipments.

    l The narrow space in the main shaft and the bottom of groove.

    l The product line of bearings and other parts.

    l Demanding the original records of the results

    l Distinguishing of materials in the metal material warehouse.     

  • Types and specification

     

    No.

    Name

         Quantity      

    Remarks

    Standard Delivery

    1

    Main unit

    1

     

    2

    D type impact device

    1

     

    3

    Small supporting ring

    1

     

    4

    Nylon brush (A)

    1

     

    5

    High value Leeb test block

    1

     

    6

    Communication cable

    1

     

    7

    DataView Software

    1

     

    Additional Optional Delivery

    8

    Printer

     

     

    9

    Nylon brush (II)

     

    In case of choosing G type impact device

    10

    Various non-conventional type

    of impact devices

     

    See table 3

    11

    Various non-conventional type of

    impact supporting ring

     

    See table 4

     

    Operating conditions:

    Ambient temperature: -10℃~40℃

    Relative humidity: ≤90%

    No vibration, no strong magnetic field and no corrosive medium and heavy dust in ambient environment.

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