M157 Trawl Monitor Transducer
The M157 is a mid-sized low-frequency trawl monitor transducer that is ideal for precise measurement of trawl-net openings as well as distance to the bottom. Featuring a stainless steel internal chassis and a robust long-life SEALCAST urethane housing, it can be easily mounted in a flooded pod and is pressure rated to 600 metres.
A MacArtney SUBCONN underwater connector is included for easy connection to the trawl cable.
Specifications:
| Dimensions (L x W x H) | 111 x 80 x 89 mm |
| Weight | 0.8 kg (1.7 lbs) |
| Frequency | 33 or 38 kHz |
| Power Rating | 350W |
| Conventional Beam | 54° at -3db |
