Elcometer TXC2M25CP-2 2.25MHz, 1/4"Ø Dual Element Potted Right Angle With Certified. Elcometer and ElcometerNDT 2.25MHz, 1/4", Dual Element, Right Angle Transducer, Certified: This transducer is designed for applications on cast iron, plastics, and fiberglass. Works seamlessly with the ElcometerNDT MTG4, MTG6DL, and MTG8DL model instruments. Also works with Elcometer 304CDL instrument.