ST60 speed transducer

Started by stardust, June 15 2013, 18:58

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stardust

June 15 2013, 18:58
The ST60 speed readout on my Bav 38 has failed, removing and spinning the wheel produces nothing
I'm sure that there is a break in the cable near the transducer ,Has anybody changed the unit ?.is it possible to just change the cable,? Does the transducer go direct to the instrument on the binnacle.
Incidentally  by selecting calibrate and speed on the instrument I was able to get a GPS speed read out, but of course the wind readout was incorrect.
Any advice appreciated

Bill F .   Stardust

Nigel

#1
June 16 2013, 00:30
The cable goes direct to the display unit, and there is nothing special about the cable.

If it turns out the transducer is broken, you can find the OEM part number here.

Intrigued by what you say about GPS speed, what do you mean?
Nigel Mercier: Forum Administrator

stardust

#2
June 16 2013, 11:48
Thanks Nigel,Do you know if the cable is factory bonded on to the transducer ,? Regarding GPS read out ,press speed and depth together and cycle to speed calibrate by three pushes of the speed button and a GPS speed read out appears ,pressing reset corrects the speed readout ,of course only in still water conditions ,OK in the Med with no tides,I think Ive got it right  boat and manuals are in Spain

Bill F

landes_h

#3
June 17 2013, 08:50
On my B38 with ST60 the speed is indicated right but I have wrong temp showing. It shows > 40 °C. Calibration is possible within the range of about 38 to 50 °C, while real water temp is about 20°C. I wonder if it is just a corroded contact on the rear of the instrument in the console. Does anybody have a table showing Ohms vs. Temp of the Thermistor in the transducer?
Greetings
Horst
Bavaria 38 / 2003 berth Portoroz, Slowenia

landes_h

#4
June 17 2013, 09:44
Greetings
Horst
Bavaria 38 / 2003 berth Portoroz, Slowenia

Nigel

#5
June 18 2013, 17:41
Quote from: stardust on June 16 2013, 11:48
Regarding GPS read out ,press speed and depth together ...

Ah, SOG from SeaTalk.
Nigel Mercier: Forum Administrator

stardust

#6
June 19 2013, 09:41
Correct
Bill F  Stardust

Taipan

#7
July 27 2013, 08:55
Hi , I am new to the forum as my speed and wind speed have failed together last Thursday on way back from West Country.  Transducers both turning very freely . Am speaking to our local Raymarine guy in Chichester who is excellent  so will pass on any findings after investigation and hopefully fix!!

Regards from Taipan
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