Mitech MH320 Portable Leeb Hardness Tester
Alat Laboratorium Umum
Model NO.: MH320 Trademark: Mitech Origin: Beijing, China (Mainland)
Small volume with light weight, it is convenient for taking. Its outline dimensions are 212mm× 80mm× 32mm.
Large screen(128× 64 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. With rechargeable battery, charging for three hours, it can use for two months. 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.
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
Error and repeatability of displayed value:
Measuring range-HLD170^960 HLD
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 is 30mm
Battery pack: 6V Ni-MH
Battery charger: 9V/500mA
Continuous working period-about 150 hours With backlight off, no printing
Outline dimensions-212mm× 80mm× 32mm.
No. Type of impact device Hardness value of Leeb standard hardness block Erro of displyed value Reapeatability
1 D 760± 30HLD
530± 40HLD ± 6 HLD
± 10 HLD 6HLD
2 DC 760± 30HLD
530± 40HLD ± 6 HLDC
± 10 HLDC 6HLD
3 DL 878± 30HLD
736± 40HLD ± 12 HLDL 12HLDL
4 D+15 766± 30HLD
544± 40HLD ± 12 HLD+15 12HLD+15
5 G 590± 40HLD
500± 40HLD ± 12 HLG
6 E 725± 30HLD
508± 40HLD ± 12 HLE
7 C 822± 30HLD
590± 40HLD ± 12 HLC 12HLC
No. Item Quantity Remarks
Standard Configuration 1 Main uni 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