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Compass Marine How To | all galleries >> Welcome To >> Engine Temp Monitoring & Over Heating Baseline Assessment > Measuring the Temp of the Sending Unit
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Measuring the Temp of the Sending Unit

Measuring the Temp of the Sending Unit

In this photo I am measuring the actual temperature of the sending unit where it threads into the engine block. The t-stat on my Westerbeke is rated at 180 and the Raytek reads 178.5. Keep in mind t-stats are not all that accurate and can have as much as a 5+ degree variance.

Again, monitor this reading for a while to get a low range and a high for your baseline.

Nikon D40
1/60s f/4.0 at 24.0mm iso200 full exif

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