Turbo temp gauges, how to set up??????
Submitted: Sunday, Jun 11, 2006 at 14:33
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Member - G N (VIC)
Hi all
Just wondering if anyone would be able to help out on
1 how do you set up a temp gauge for a turbo? i have been told to set up the sensor 300mm from the turbo???
2 is there any particular brand to go for?
3 what temp is safe or correct and what is not good???
4 is there anything else i should be aware of?
thanks
Reply By: Ian from Thermoguard Instruments - Sunday, Jun 11, 2006 at 16:03
Sunday, Jun 11, 2006 at 16:03
Hi GN,
At the risk of looking like a blatant bit of self-promotion, can I suggest you have a look at my website and download the "EGT
Information Sheet" from the link on the
home page. I think it will answer most of your questions. And regardless of whether you like the look of my gauges or not, please feel free to ask any other questions that may arise.
Regarding sensor location, there's not going to be much difference between the measured temperature 20mm from the turbine outlet and 400mm from the outlet as there's not much expansion going on in that part of the system. The big temperature difference is between the turbo inlet and outlet, where the gas is being expanded across the turbine and where the difference between upstream and downstream temp can reach or exceed 200C. Hence my recommendation for a maximum upstream temp of 720C and a maximum downstream temp of 520C.
A couple of articles which Michelle and David have published here might also be of interest if you're new to diesels and turbos:
Why Diesels are Different and Turbos and Superchargers. Hope this helps.
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