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Speed & Temperature Transducers

These transducers are speed and/or temperature transducers designed either for use with stand-alone instruments or as add-ons to fishfinder transducers. Some versions come with a Y-cable so that both the speed/temp sensor and a fishfinder transducer can be connected to the same input on the fishfinder display.

This page lists analog models only. For Smart transducers with NMEA output see the Smart Transducers page.

Part Part # Description Brochure Installation
ST63 Transom-mount sensor with mounting bracket.

Speed and temperature.

Available with speed and temperature for bare wire (ST63-0), Furuno 6-Pin (ST-01PTB), Impulse 4-Pin (ST63-4), Interphase 8-Pin (ST63-8), Mercury 4-Pin (ST63-MER) and Raymarine ST60 (ST63-FISO).

Available with speed only for Garmin 6-Pin (S61-YG-6 with Y-cable) and Garmin 8-Pin (010-10279-03 with Y-cable).
ST69 Transom-mount sensor with mounting bracket.

Speed and temperature.

Available with speed and temperature for Impulse 4-Pin (ST69-4), Interphase 8-Pin (ST69-8), Raymarine DSM300 (ST69-RAY with Y-cable) and Raymarine ST60 (ST69-FISO).
ST300 Low-profile thru-hull plastic model with short stem.

Speed and temperature.

Available for Impulse 4-Pin (ST300-4), SiTex/Fuji 8-Pin (ST300-8) and Raymarine ST60 (ST300-FISO).
ST800 Low-profile thru-hull sensor available in plastic (-P) or bronze (-B) housings.

Speed and temperature.

Uses P120 and B120 housings.

Available for Raymarine DSM300 (-RAY with Y-cable), Raymarine ST50 (-5) and Raymarine ST60 (-FISO).
ST850 Low-profile thru-hull sensor available in plastic (-P) or bronze (-B) housings.

Speed and temperature.

Uses P17 and B17 housings.

Available for Fuji 8-Pin (-8), B&G bare wire (-BG), Furuno 6-Pin (-6FUR), Garmin 6-Pin (-YG with Y-cable), Garmin 8-Pin (-8YG with Y-cable), Simrad 7-Pin (-YS with Y-cable) and Raymarine ST60 (-FISO).
T42-A Thru-hull low-profile bronze model.

Temperature only.

Available for bare wire applications (-A), Raymarine DSM300 (-RAY with Y-cable) and Garmin 8-Pin (-8GAR with Y-cable).
T80 Transom-mount model.

Temperature only.

Available for bare wire applications (T80-A), Garmin 8-Pin (010-10717-20 with Y-cable) and Raymarine DSM300 (T80-A-RAY with Y-cable)