Stand-Alone Unit The S61, ST61 consists of a paddlewheel speed carrier that snaps into a small transom housing containing sensing electronics. It is designed as a stand-alone unit and provides accurate speed readings over a wide speed range. Transom-Mount 5.3 Hz Applications ■ Outboard and inboard/outboard boats ■ Jet boats and personal watercraft ■ Stepped transom Features ■ Speed and temperature ■ Provides accurate, linear pulse output over a speed range of 1 to 50 knots (1 to 58 MPH) ■ Cable can exit through the top of the housing or forward through the hull ■ Paddlewheel carriers are easy and inexpensive to replace ■ Optional temperature sensor ■ Chemical and impact resistant plastic housing

Nominal Pulse Rate DIMENSIONS SPECIFICATIONS Weight: 0.3 kg (0.6 lb) Transom Angle: 3° to 12° Bracket Vertical Adjustment: 18 mm (0.70’j Speed Range: 1 to 50 knots (1 to 58 MPH) Supply Voltage: 5 VDC to 25 VDC [flAIRMAIT IUH I TECHNOLOGY CORPORATION ©Airmar Technology Corporation S61_ST61_rA 07/18/11 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...