Home made Psychrometer - Mushroom Cultivation

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deanofmean
mycophagous

Registered: 12/06/02
Posts: 2,017
Loc: PNW

Home made Psychrometer

#4345037 - 06/27/05 09:37 PM (18 years, 9 months ago)

two cheap refrigeration thermometers (make sure to get two that read the same temp).
glue them to a plastic bottle.
a 2" piece of cotton shoe lace is tied to one thermometer and passed throw a hole in the bottle.
put a little distilled h2o in bottle.
compare wet bulb temp to dry bulb temp w/this PSYCHROMETRIC CHART

it is importent to use distlled h2o, because impurities can effect an accurate reading.
this is just as accurate as an 100$ hygrometer, and costs about $2.45 to make

Edited by deanofmean (06/27/05 10:49 PM)

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thremix
Big Spender

Registered: 06/08/05
Posts: 722
Loc: Temple of Boom
Last seen: 11 years, 4 months

Re: Home made Psychrometer

[Re: deanofmean]
#4345300 - 06/27/05 11:13 PM (18 years, 9 months ago)

Wow.......you, Are a god.

--------------------
http://www.gainesvilleps.org/
_____________________________________

Dale Carnegie, once said that he never needed to know any thing about any thing because he knew EVERY thing. Any time he didn't know some thing, he asked, he asked his team, his friends, And most important he asked the person that would know the answer.

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deanofmean
mycophagous

Registered: 12/06/02
Posts: 2,017
Loc: PNW

Re: Home made Psychrometer

[Re: thremix]
#4345895 - 06/28/05 02:25 AM (18 years, 9 months ago)

here is another chart

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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation

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