CALIBRATION BLOCK NO.1 K1 MATRIC VERSION

For both laboratory and field calibration of ultrasonic fault detection equipment. Our version of this block has a radius of 100mm, holes measuring 3.0mm and 50.0mm, reference mark scales that are etched, and two optional slots at the zero point that offer calibrating signals spaced out over a 100mm range. in line with ISO 2400 and EN 12223. The "V1/5 (A2)" Block from BS 2704, which is identical to this block but has a 1.5mm through hole rather than a 3.0mm hole