REFERENCE TEST BLOCK 1 (MTU NO. 3)
The reference block 1 is a disc made of metal and used to control the magnetic particle suspension at Magnetic Particle Testing acc. to EN ISO 9934-2. The reference block 1 has been magnetized residually. On the surface there are rough and precise cracks. The serial number is stamped at the side. With certificate; for the control of the indication sensitivity of the test medium during Magnetic Particle Inspection acc. to EN ISO 9934-2