Precise Measurement The mid-size M157 features low-frequency, wide-beam elements for precise measurement of trawl-net openings and distance to the bottom. Connection to the trawl cable is easy with the included MacArtney SUBCONN® underwater connector. Options • Coupling transformer for interface to catch monitor 350 W Applications • Trawl monitoring • Bulkhead connector on transducer • Transducer is pressure rated to 600 m (2,000’) • Other frequencies and impedances • Easy-to-mount in flooded pod • Stainless-steel, internal chassis • Seamless, SEALCAST™, urethane housing for long life underw

Technical Information Frequencies Weight: 0.8 kg (1.7 lb) Acoustic Window: Urethane DIMENSIONS ©Airmar Technology Corporation As Airmar constantly improves its products, all specifications are subject to change without notice. All Airmar products are designed to provide high levels of accuracy and reliability, however they should only be used as aids to navigation and not as a replacement for traditional navigation aids and techniques. SEALCAST™ is a trademark of Airmar Technology Corporation. Other company or product names mentioned in this document may be trademarks or registered trademarks...