GD320 Portable Hardness Tester

Advantages
1.Small volume with light weight, it is convenient for taking. Its outline dimensions are 212mm×80mm×32mm.
2.Large screen(128×64 dot matrix LCD), showing all functions and parameters.
3.Test at any angle, even upside down.
4.Wide measuring range. GD320 Portable Hardness Tester 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.
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.Battery information indicates the rest capacity of the battery and the charge status. ,User calibration function.
9.USB port with the PC humanity multi-functions data proceeding software.
10.Original imported high speed thermal printer support the immediate printing function. It can
save data permanently.
11.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.
12.Excellent after-sale service system for high quality products---two years’ guarantee and all
ife maintenance. Easy to buy and comfortable to use.

Main Application
1. Die cavity of molds
2. Bearings and other parts
3. Failure analysis of pressure vessel, steam generator and other equipment
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

Technical Specifications
Error and repeatability of displayed value:

1. Measuring range HLD 170~960 HLD
2. Measuring direction 360°
3. Hardness Scale HLHBHRBHRCHRAHVHS
4. Display dot matrix LCD 128×64 dots
5. Data memory 500 groups max relative to impact times 32~1
6. Printing paper: width is 57.5±0.5 mm, diameter is 30mm

7. Battery pack: 6V NI-MH
8. Battery charger: 9V/500mA
9. Continuous working period about 150 hours with backlight off, no printing
10. Communication interface USB1.1
11. Outline dimensions 212mm×80mm×32mm