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Author Topic:   NMEA-2000 RPM Sensor
5teve posted 12-17-2007 02:03 AM ET (US)   Profile for 5teve   Send Email to 5teve  
Hi Guys. Firstly thanks for all the info on this forum, been quite handy to me recently! Secondly, I have just bought a Navman 8084 (Northstar M84) and have it all hooked up. I was wondering if there was any such thing as an NMEA rev sensor so that I can display the revs on the 8084? I have a Tohatsu 140 two-stroke outboard 2003 model if that makes any difference!

Many thanks in advance! --Steve

jimh posted 12-17-2007 09:14 AM ET (US)     Profile for jimh  Send Email to jimh     
MARETRON makes an EMS100 convertor device which can be connected to a NMEA-2000 digital network and also to your engine's normal analogue signals. However, it does not list your engine as one of the supported models.

I also suspect the cost of the EMS100 may not be attractive for your application.

5teve posted 12-17-2007 05:36 PM ET (US)     Profile for 5teve  Send Email to 5teve     
Thanks for that Jimh

I apologise, i thought i had read that the Chartplotter i had was nmea2000 however its only nmea 0183 compatible!

however you have led me in a better direction and i have now started to find 'reasonably' priced tacho's with nmea output. i ideally just want the sender and not the gauge tho... so i'll keep searching!

Thanks again


jimh posted 12-17-2007 10:25 PM ET (US)     Profile for jimh  Send Email to jimh     
Steve--If you find a combination that works, please let us know. I don't recall reading about any engine instrumentation which was transmitted via NMEA-0183 protocol, so I am interested to learn of it.

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