Ultrasonic probes can be divided into four different categories. Phased array probes, roto array probes, conventional probes and thickness probes. Please read our catalogs to identify the correct probe for you. Berg offers a variety of conventional single element contact transducers. If you have any questions about our ultrasonic test equipment, please give us a call at 1-847-577-3980 or send an email to email@example.com. Our knowledgeable staff is there to help.