GAOTek Ultrasonic Metal Hardness Tester

This Ultrasonic Metal Hardness Tester has measuring range of 170 HLD to 960 HLD, measuring direction 360 and data storage of 373 to 2688 groups.




  • Full English display, menu to driven operation
  • Mini USB communication interface
  • It can be equipped with 7 kinds of different impact devices, no need to recalibrate when replacing, and can automatically identify the type of impact device
  • Supports measurement of multiple hardness systems and three intensity values
  • It can store 450 groups, single measurement value, average value, measurement date, impact direction, times, materials, hardness system and other information
  • It can set the upper and lower hardness values in advance, and it can automatically alarm when it exceeds the limit, which is convenient for users to need batch testing
  • Indicating software calibration function
  • Built to in high to performance lithium battery and charge control circuit, with long working and standby time
  • Can be equipped with computer software, support for data query, storage, statistics and histogram display and other functions


Technical Specifications

Hardness system Leeb (HL), Brinell (HB), Rockwell A (HRA), Rockwell B (HRB), Rockwell C (HRC), Vickers (HV) and Shore (HS)
Measurement range HLD (170 to 960), HRA (59 to 85), HRB (13 to 100), HRC (18 to 68), HB (19 to 655), HV (80 to 976), HS (32 to 100)
Measuring direction 360° (vertical downward, obliquely downward, horizontal, oblique upward, vertical upward)
Measuring materials Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, ductile iron, cast aluminum alloy, copper to zinc alloy (brass), copper to tin alloy (bronze), pure copper and forged steel
Display LCD, 128 × 64 graphics dot matrix LCD
Print function Thermal print head, quiet, ready to print measurement results
Printing paper Width 2.26 in ± 0.01 in (57.5 mm ± 0.5 mm)
Data storage 373 to 2688 groups (impact times 32 to 1)
Communication interface standard US B2.0
Charging power supply 9 V DC, 220 V AC
Charging time 4 hrs to 5 hrs
Battery 7.4 V, lithium battery (1500 mAh)
Ambient temperature 32 °F to 104 °F (0 °C to 40 °C)
Storage temperature  to 13 °F to 158 °F (-25 °C to 70 °C)
Working hours about 300 hrs


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