Aluminum Comparator Block LPI Accessories easy to operate alternative to

easy to operate alternative to more expensive

Conveniently switch magnetizing current from head/tail to coil by changing 2 plug-in cable connections

Convenient carrying case supplied with all yoke shipments

Measuring range 0

Quenching cracks

Aluminum Comparator Block LPI Accessories easy to operate alternative toType 3 reference test block (JIS Z 2343 3 ISO 3452 3) The Aluminum Comparator Block is divided into two segments and can be used to compare different penetrants to one and other or fresh penetrant to penetrant in use. The cracked aluminum block is made from 2024 Aluminum with a groove separating the two sides to facilitate side by side penetrant comparison.