The Airmar P319 breakthrough sensor has a 50/200 kHz dual-frequency single ceramic element in a flat housing and has an output of 600 watts. For mounting angles up to 8°. Its design minimises water resistance outside the hull. Echo sounder/depth/water temperature, for Navico XSONIC 9-pin. Incl. installation instructions. Measurement of depth and water temperature. The rubber washer included in the scope of delivery also enables installation on irregular hull surfaces. Hole diameter 51 mm (2 inches). Suitable for salt and fresh water. Beam angle 45° / 12°. Maximum depth 50 kHz: 235 to 353 metres (800 to 1,200 feet) - 200 kHz: 118 to 206 metres (400 to 700 feet). 000-13915-001.