This device is located in Mechanical Laboratory which is used to measure the hardness of big and heavy samples that  are difficult to carry.

The device has three types of probes which are used to measure the hardness of steel parts.
It also has the ability to display different hardness units like (HB, HRC ...).

The method of using the device is to put the probe on the part and to push the button
that is on the probe and as a result the device will display the hardness value.