CLT & MAT not the same before cold start
#2
Retired Mech Design Engr
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I think better than 6C, yes. But, realize that it takes a long, long time for CLT to actually get to ambient temp, so that fact that it is higher than AIT does not guarantee that one is wrong. If, however, the AIT was higher than CLT, something would definitely be wrong.
The way to calibrate is to remove the sensor, put it into a temperature chamber and get resistance readings at, say -40, 20, and +140C (not needed to go that high on AIT). Then put in the actual, measured values under Tools in TS, and write to MS.
The trick, of course, is access to the equipment.
The way to calibrate is to remove the sensor, put it into a temperature chamber and get resistance readings at, say -40, 20, and +140C (not needed to go that high on AIT). Then put in the actual, measured values under Tools in TS, and write to MS.
The trick, of course, is access to the equipment.
#3
Not necessarily, since the coolant has a high thermal capacity it will change its temperature more slowly than the general ambient air temp affecting it.
It should be slightly warmer in the morning, but colder than ambient later in the day.
Edit: Too slow...
It should be slightly warmer in the morning, but colder than ambient later in the day.
Edit: Too slow...
Last edited by lassi; 10-24-2014 at 10:38 AM. Reason: Too slow
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