Low Frequency Delay Line Transducers

Low Frequency Transducers With Replaceable Polystyrene Delay Lines

Overview

Delayed contact probes utilize replaceable polystyrene delay lines to extend transducer life. The ideal delay length places desired reflections within the multiple reflections from the delay tip. Ultran's low-frequency UT replaceable delay line probes are manufactured with Ultran's patented gas matrix piezo-composite (GMP™) and come with side-mounted BNC connectors.

Features

Wide range of low-frequency models available from 30 kHz to 500 kHz
Active diameters from 13 mm to 100 mm for both spot inspection and broad coverage
Manufactured with Ultran's patented gas matrix piezo-composite (GMP™) for high sensitivity and bandwidth
Replaceable polystyrene delay lines extend transducer life and can be machined to match part geometries
Additional delays, custom connector types, and other modifications are available upon request
Corrosion-resistant stainless steel housings with side-mounted BNC connectors; one delay line and securing ring included as standard

Delay Line Transducers

Design:	*Round with Replaceable Delay Line*
Frequency Range:	30 kHz to 500 kHz
Active Surface Area:	0.51 - 3.94" (13 - 100 mm)

Applications

Inspection of parts where a delay line is needed to separate near-surface reflections from the initial pulse
Testing of components with curved or contoured geometries using custom-machined delay tips
Extended transducer life in production and high-throughput inspection environments through replaceable wear surfaces
Suitable for composites, metals, ceramics, plastics, and other contact-coupled materials
Capable of defect detection and non-destructive material characterization