Normal Body Temperature?

[Mr.Bill]

Is there an ideal body temperature we should be looking for that would indicate proper combustion?  Or is it too dependant on air temp, temp sensor, etc?  Or maybe an ideal range?

[afterburner]

For max power, most people aim for around 180-200C
For min power keep it above 140C to avoid cold burning, which leads to soot build up eventually.

Certainly how cool the incoming air (to be heated) does impact the body's temperature as that airflow is cooling the body, to obviously extract the heat it is producing.

However the BEST way to gauge proper combustion is to confirm that CO is low from the exhaust. That shows the correct air/fuel ratio is in use.

Sadly one of the most unreliable parts of these heaters does seem to be the body temperature sensor.
The most common symptom being people finding their heater is running the fan when it should be off.
The sensor has lowered in resistance, and makes the ECU think the heater is hot, so it enters a cooling protection mode.
Whilst in this state, the heater cannot be started either.

So yes, readings can be skewed if a sensor is on the way to failure.

[Mr.Bill]

Thank you! That gives me some sort of idea of what to look for, I appreciate it. I did actually have one sensor fail and it caused the constant fan issue as described.

[Marcus]

Is there an ideal body temperature we should be looking for that would indicate proper combustion?  Or is it too dependant on air temp, temp sensor, etc?  Or maybe an ideal range?

Generally 140C is the minimum safe burn temperature. 
Only way to check for your individual heater is an inexpensive CO meter. 
Once set the automatic altitude adjustment in the AB should look after things. 
However if you set at sea level does pay to check again at higher altitude with the CO meter. If you do need to adjust at higher altitude, will be fine back at sea level.

[Mr.Bill]

Is there an ideal body temperature we should be looking for that would indicate proper combustion?  Or is it too dependant on air temp, temp sensor, etc?  Or maybe an ideal range?

Generally 140C is the minimum safe burn temperature. 
Only way to check for your individual heater is an inexpensive CO meter. 
Once set the automatic altitude adjustment in the AB should look after things. 
However if you set at sea level does pay to check again at higher altitude with the CO meter. If you do need to adjust at higher altitude, will be fine back at sea level.

Thank you for the help.  

I have checked/tuned it with a CO meter at max and min setting but it seemed cold on the low setting so I was concerned about it building up soot when run on low for long periods, which I do.  Its being used as supplemental heat in a small shop so I won't be changing altitude unless I blow something up, which is entirely possible.  

On the lowest setting I am only seeing around 120C body temp, which seemed like it might be an issue.  It is only 10-30F outside though, so pretty cold air getting pulled into the chamber. 

I just don't want to get it full of soot.  Maybe I should mess with the tuning some more, it was much warmer when I set it up.  I will try some minor changes and see what the CO meter says, its reading 0-10 now on low so pretty good.