The ultrasonic hardness tester is an advanced measurement instrument that operates on the principle of ultrasonic vibration. The probe tip contains a pressure head that contacts the material surface during testing, applying static force while emitting ultrasonic signals. Different materials exhibit varying damping characteristics: harder materials cause faster signal attenuation, whereas softer ones show slower decay. The device calculates hardness based on this attenuation pattern. In practical applications, this instrument demonstrates multiple advantages: it can measure various workpiece shapes—whether large mechanical components or small precision parts—with remarkable accuracy. Its minimal surface requirements ensure reliable results even on rough surfaces. Widely used across industries including mechanical processing, mold manufacturing, aerospace, petroleum and petrochemicals, shipbuilding, automotive manufacturing, rail transit, pressure vessels, and pipelines.

 Design basis standard: GB/T 34205-2017 "Hardness Test of Metal Materials ultrasonic contact impedance method" can be used for high precision testing of a variety of metal materials

Two hardness scales show the corresponding values of Vickers hardness and other selected hardness systems

The dedicated circuit design supports hot plug and unplug operation of the probe, which is plug and play and automatically identifies the force value of the probe

Common material hardness scale (HV, HB, HRA, HRB, HRC) parallel conversion, double scale display

It contains three kinds of new material setting, which is convenient for the hardness test of special materials, and can theoretically test the hardness of all metal materials

It shows that the IPS (in-plane switching) full digital LCD display has significantly improved color and response speed

The wide viewing Angle means that even when viewed from the side, the color and detail changes are minimal

Chinese and English display, user-friendly menu operation, simple and convenient

The brightness of LCD can be adjusted arbitrarily, which is convenient for use in dim light environment

USB communication interface, can easily and quickly exchange data and set parameters with PC

A host can be equipped with a variety of different probes, and the type of probe can be automatically identified in real time. There is no need to recalibrate when replacing it

It has the function of calibrating the indicating software

The upper and lower limits of hardness value can be preset, and the automatic alarm is provided when the range exceeds, which is convenient for users to test in batches

Metal case, small, portable, high reliability, suitable for harsh operating environment, anti-vibration, impact and electromagnetic interference

The hardness measurement of special materials can be calibrated and tested with user materials                                                       

There is a remaining power indicator icon on the LCD, which can display the remaining battery power in real time; there is a charging process indicator, so that the operator can know the charging degree at any time

It can store up to 600 sets of hardness measurement data. Each set of data includes the measurement date, sensor type, material, number, single measurement value, average value, maximum value, minimum value, hardness system and other information

Built-in 3.7V large capacity lithium ion rechargeable battery and USB charging control circuit; can work continuously for no less than 20 hours; has automatic sleep, automatic shutdown and other power-saving functions