Portable Hardness Tester AJH520 model
1.Large screen(128×64 dot matrix LCD), showing all functions and
2.Test at any angle, even up and down.
3.Support "forged steel (Steel)" material, when using the D/DC
impact device test "forged" sample, can read HB value directly,
without the need for manual checking table.
4.Wide measuring range. It can measure the hardness of all metallic
materials. Direct display of hardness scales HRB, HRC, HRA, HV, HB,
HS, HL and three types of strength values immediately.
5.Seven impact devices are available for special application.
Automatically identify the type of impact devices.
6.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.
7.Upper and lower limit can be preset. It will alarm automatically
when the result value exceeding the limit.
8.Batteryinformation indicates the rest capacity of the battery and
the charge status.
9.User calibration function.
10.USB port with the PC humanity multi-functions data proceeding
11.Original imported high speed thermal printer support the
immediate printing function. It can save data permanently.
12.NI-MH rechargeable battery as the power source. Charge circuit
integrated inside the instrument. Continuous working period of no
less than 200 hours (EL off and no printing).
13.Auto power off to save energy.
14.Industrialized housing design, sturdy, compact, portable, high
reliability, suitable for harsh operating environment, vibration,
shock and electromagnetic interference.
15.Excellent after-sale service system for high quality
products---two years’ guarantee and all life maintenance. Easy to
buy and comfortable to use.
Measuring range：HLD (170-960), HRC (17.9-69.5), HB (19-683), HV
(80-1042), HS (30.6-102.6), HRA(59.1-88), HRB (13.5-101.7)
Display：dot matrix LCD，128×64 dots
Data memory： 500 groups max.（relative to impact times 32～1）
Printing paper: width is （57.5±0.5）mm, diameter is30mm
Batterypack: 6V NI-MH
Continuous working period：about 200hours（With backlight off, no
Dimensions: 210 x 85 x45mm(host).
1.Die cavity of molds
2.Bearings and other parts
3.Failure analysis of pressure vessel, steam generator and other
4.Heavy work piece
5.The installed machinery and permanently assembled parts
6.Testing surface of a small hollow space
7.Material identification in the warehouse of metallic materials
8.Rapid testing in large range and multi-measuring areas for
large-scale work piece.
D type impact device
Standard test block
Cleaning brush (I)
Small support ring
Paper for printing
Cleaning brush (II)
For use with G type impact device
Other type of impact devices and support rings