kal-rock

Calibration device for depth-measuring of hardness testing machines

Easy mounting of the calibration device kal-rock into the Rockwell-hardness testing machine. The calibration device kal-rock is placed between the mo-vable spindle and the lenght measuring device of the hard-ness testing machine. The indenter of the hardness testing machine is exchanged by the delivered adapter.

Direct verification

In additon to the indirect verificati-on of hardness testing machines by the use of reference blocks you can use a direct method for their verification, too. In this case the test power, the indenter, the depth-measuring device and the testing cycle have to be calibrated. The allowed deviations of the mea-suring instruments or reference blocks and of the components of the hardness testing machines, which should be tested, are described in the standard DIN EN ISO 6508-2.
In regard with these technical demands, the
kal-rock instrument for the calibration of the depth-measuring device was deve-loped.

Advantages of the measuring procedure

	Measurement of the changes of the lenght in the loading axes
	Measurement under a preload
	Measurement without contact of the preload with the mea-suring system
	Calibration of the lenght mea-suring unit by using a device for all Rockwell scales and the total hardness range

A serial interface, which is integrated in the electronic unit, allows the data transfer of the measured values to a PC or printer.

Product details

	calibration device
	electronic unit
	pressure stamp with ball ø10
	adapter ø 22 mm
	adapter ø 25 mm
	case
	DKD certificate