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Water speed sensor for The eS78
06-05-16, 05:23 PM
Post: #1
Water speed sensor for The eS78
Is there a way to interface my old Lowrance SP-BL paddle wheel to my new eS78 with CPT-100 transom transducer? If not is there a similar paddle wheel speed sensor from Raymarine that is supported? I fish salt water and like to reference water speed vs gps speed to adjust for current and tides. Thanks in advance.
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06-24-16, 04:01 PM
Post: #2
RE: Water speed sensor for The eS78
Welcome to the Raymarine Forum Peter,

Unfortunately, it is not possible to the Lowrance SP-BL paddle wheel to my new eS78. Speed through water may be added to the system by any of the following means:
- interface the MFD to a i40 Speed Instrument w/speed/temp transducer
- interface the MFD to an i50 Tridata Instrument w/speed/temp transducer
- interface the MFD to an i70 and iTC-5 w/speed/temp transducer (solution employed on my own boat)
- interface the MFD to a NMEA 2000 / NMEA 0183 Smart speed/temperature transducer (ex. Airmar ST800)
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06-25-16, 12:19 AM (This post was last modified: 06-27-16 09:01 AM by Chuck - Raymarine - Moderator.)
Post: #3
RE: Water speed sensor for The eS78
Thanks Chuck I'll look into a smart transducer, but in the mean time I'll leave the LMS337c hooked up for waterspeed and voltage.
Thanks you for the tips.
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06-27-16, 09:02 AM
Post: #4
RE: Water speed sensor for The eS78
You're welcome.
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