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Measuring wet bulb temperature

Measuring wet bulb temperature

Measuring wet bulb temperature

(OP)
I would like know the dew point in a pneumatic conveying duct and plan to measure this by reading the wet bulb temperature at the inlet to the fan.  Can I get a fairly accurate reading with a moist wick and thermocouple.  I am learning that air speed past the sensor can be important I suppose I can sling the thermocouple wire around?  Are there any recommendations on how I can go about this?   

RE: Measuring wet bulb temperature

Get a sling psychrometer and hold it in the fan inlet.

RE: Measuring wet bulb temperature

Agree with willard3.  The velocity there will be plenty fine.  If you want more accuracy, get a GE Psyclone hand-held or a Vaisala HM34 or equal.

Good on ya,

Goober Dave

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