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Today I am going to show you how to take the wet bulb measurement. What I have got is my
wet bulb K type connector here and what we want to do is get the end of this wet. So
getting the sock thoroughly wet. So it is completely saturated. Which it is and than
what you want to do is clamp this right in front of your return. The intake of your air
conditioner which is commonly called the return. So I'll take you over here and show you that
here. Here is my Fieldpiece Sman3 here and we are going to plug the wet bulb into T1.
Goes into t1 right here and we'll turn it on by holding the buttton down for a second
right here. And you can see it is starting to measure. What we are going to do is take
our K type connector here and we are going to hold this up to our grill and if possible
well clamp it right here. What we want is really it to be between the filter and the
evaporator coil and we will measure our indoor wet bulb temperature. Showing 64.6 and dropping
so it might take just a couple to get that measurement. Just scrolling through here.
OK. So we are at 63.5. Now another place you can take this measurement is right at the
evaporator coil itself. So I am going to take you in here and show you that. Here we go.
The problem with this is we would have to take the lid of the front off here. OK so
I have locked it in at 61.5 that's our wet bulb temperature right there. So now we are
going to go over to our indoor wet bulb and we going to set the indoor wet bulb. OK. There we go. So I moved
it over to that side. We are at 62.2 and entered. OK. Now we will have to go out and get our
outdoor dry bulb temperature. Anyway, but that is how to get the wet bulb temperature.
Again you really want to do this in between the filter and the evaporator coil and it's
a little bit better if you can do it at the air handler but in the essence of time today
I am just showing you it here at the air intake at the return.