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Thermometer question: Which to use to check the temperature inside the car,Not air vent temperature

jezzer on Sat August 02, 2008 4:44 PM User is offline

There seems to be so many but which one will give a proper reading of the temperature inside the car,I have one for the air-vents but i dont think it works if i just place it in the car

bohica2xo on Sat August 02, 2008 7:24 PM User is offline

Humidity can play a big part in the perception of temperature vs comfort with A/C systems.

I like to use a recording Thermo-Hygrometer for cabin temp tests. I put the probe in the air inlet on recirculate, or about six inches ahead of the headrest on the passenger side - without any direct air blowing on it from a vent. Then go for a drive.

Here in Las Vegas I have seen relative humidity as low as 4% at times. When it jumps up to 30% during monsoon season, people will really complain quickly about a system that actually cools fairly well. It was 45c here yesterday, but the rh was 7%. I suspect the numbers are a bit different for you...


"Among the many misdeeds of the British rule in India, history will look upon the act of depriving a whole nation of arms, as the blackest."
~ Mahatma Gandhi, Gandhi, An Autobiography, M. K. Gandhi, page 446.

CCWKen on Sat August 02, 2008 7:27 PM User is offlineView users profile

Why do you want to know the temperature inside the car? There's only a few temps you care about in a/c. The two most used are the center vent temp and ambient air temp taken in front of the condenser. If you're curious about inside temps any thermometer will do.

Ken Kopsky

Custom Car Works
"Rules are for the guidance of wise men and the obedience of fools."

jezzer on Sun August 03, 2008 4:13 AM User is offline

Thanks ill look at the Thermo-Hygrometer ones.

So why do i want to know what the temperature is inside yes it does sound a bit pointless if my air-vent temperature is good,Ive been told that my air-con is charged and working well,Ive been told thats how it is you dont feel it very very cold,I have been in other cars the same as mine and you can feel the coldness,So by taking a reading of the cabin temperature i can then tell the garage that something isn't right.

I thought the thermometer i have for the vent would of been ok to check the temperature but it doesn't pick up the temperature.

Thank you both

Edited: Sun August 03, 2008 at 4:16 AM by jezzer

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