[Mgs] Temp Gauge

PaulHunt73 paulhunt73 at virginmedia.com
Tue Oct 20 01:29:44 MDT 2020

So called 'laser' devices may well have a small red spot to show where it is pointing, but the measurement area is much wider than that as the sensed area is cone-shaped i.e. it gets wider the further out you go in some case by as much as 2:1.  The smaller the physical object that you want to measure the closer you have to be or it averages cooler areas around it.  Yes I know an engine is pretty big, but it isn't all at the same temperature.  For the thermostat elbow for example it has to be almost touching.

More for running hot than anything else but yes measuring various areas over the surface of the rad will show up problems with flow rate, partially blocked core where the cause is insufficient cooling, or that the engine is producing more than it should.
  ----- Original Message ----- 

     There are two methods I have used.
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