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 AHT160 Leeb hardness tester
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  • -Advanced Leeb Hardness Model with In-built printer
    -Automatic identification of Impact devices
    High performance rechargeable battery, intelligent charging management
    Optional Software to connect with PC,Support data query, storage,

    statistics and histogram display and other functions
    -Upper and lower limit and sound alarm

    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

  • -Advanced Leeb Hardness Model with In-built printer
    -Automatic identification of Impact devices
    High performance rechargeable battery, intelligent charging management
    Optional Software to connect with PC,Support data query, storage, statistics and histogram display and other functions
    -Upper and lower limit and sound alarm

    Hardness scale 

    HL, HRC, HRB, HRA, HV, HB, HS 

    Memory 

    240~1000 group (Impact times:32 ~ 1) 

    Measuring range 

    HLD(170 ~ 960), HRA(59 ~ 85), HRB(13 ~ 100), 

    HRC(20 ~ 68), HB(19 ~ 651), HV(80 ~ 967), HS(30 ~ 100)

    Tensile strength U.T.S. range 

    374 ~ 2652 MPa 

    Accuracy 

    ±6HLD (760±30HLD) error of displayed value 

    6HLD (760±30HLD) repeatability of displayed value 

    Standard Impact Device 

    Data Interface 

    USB 2.0

    Optional Impact Devices 

    DC / D+15 / G / C / DL 

    Max. Workpiece Hardness 

    996HV(For Impact Devices D / DC / DL / D+15 / C)

    646HB(For Impact Device G) 

    Min. Radius of Workpiece

     (convex/concave) 

    Rmin = 50mm (with special support ring Rmin = 10mm ) 

    Min. Workpiece weight

    2 ~ 5kg on stable support

    0.05 ~ 2kg with compact coupling 

    Min. Workpiece thickness 

    5mm (Impact Devices D/DC/DL/D+15) 

    1mm (Impact Device C) 

    10mm (Impact Device G) 

    Min. thickness of hardened layers 

    0.8mm 

    Power 

    Rechargeable Li Battery, 7.4VLi(1500mAh)

    Continuous Working time 

    About 300h, (without backlight) 

    Charging time 

    2.5 ~ 3 hours 

    Operating temperature 

    0 ~ 40ºC 

    Humidity 

     90% 

    Overall dimensions 

    212 × 80 × 35 mm 

    Weight 

    320

  • The application of Leeb hardness tester

    It can be wildly used in petroleum, mechanism, chemical engineering, metallurgy, aeration and space,
    pressure vessel and so on industries. It works primarily by checking the hardness to do the invalidation analysis.

    The advantage of Leeb hardness tester (compared with the bench one): convenience:
    when the checked unit is large-sized, hard to move or need check on the spot, under this circumstances, only the Leeb hardness tester fits.

    1. Primary use

    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.

    2. Idiographic application

    1). Aeration and space: being used in the examination of engine and structural parts of plane,
     the engine structure repairing manual prescribes that some components and parts are forbidden to disassemble,
    in addition, some parts are very difficult to remove. Then we can use the Rockwell hardness tester to deal with it.
    For example, when the plane engine catch fire, we should check the influenced area by hardness tester to determine
    the repairing area. Some other large construal parts need the portable Leeb hardness tester, such as: all grades of turbo plate,
    high and low pressure turbo shaft.

    2). Mechanical manufacture

          Machine industry: checking the machine body, leg, the track face of sliding saddle and so on.

          Heat treatment industry: checking the hardness of the vulcanized layer treated by cementite, quencher.

          Car industry: generate parts, crank, cylinder cover, inner cavity, cylinder, bearing bush, redirector.

          Engine factory: crank, bearing and large casting.

      .   Gas-engine factory: body of the engine, crank, camshaft, connecting bar, press cover of flywheel, bushing cover and so on.

          Home appliance industry: air condition, refrigerator, washer, and in addition, the hardness testing of tooth flank, cavity of mould.

        3). Boiler and pressure vessel industry: The main testing parts of boiler is pipes, air bags. They are connected with expansion. According to the regulation, before the expansion, the pipe and the air bag both need hardness testing to insure the hardness of airbag is higher than the pipe’s.

        4). Petroleum and chemical engineering industry: In this industry, hardness tester is wildly used in the examination of pipeline and vessles.

        5). Power station ( thermoelectricity ): pyrobolts, impellers.

        6). Universities and institutes: Usually used for teaching or scientific research, analyzing the metal material with Rockwell hardness tester.

     

  • ·  Standard delivery

    ·  Main unit 

    In-built Printer

    ·  Impact Device type D

    ·  Test block HLD

    ·  Charger

    ·  Brush

    ·  Table support for main unit

    ·  Connecting cable

    ·  Company certificate

    ·  Instruction manual

    ·  Dataview Software

     

  • Optional accessories

    · 

    ·  Optional impact devices

    ·  Optional support rings

    ·  Other test blocks 

 
 
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