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OfflineAK1000
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How do I calibrate this hygrometer?
    #24019345 - 01/18/17 08:36 AM (7 years, 2 months ago)

I don't think the reading is accurate anymore since it got wet from misting and I'm not sure how to calibrate it. It's weird, the manual doesn't say exactly how to do it but it says it can be done.

https://www.amazon.com/AcuRite-01083M-Accuracy-Temperature-Humidity/dp/B01HDW58GS/ref=lp_3737571_1_3?s=appliances&ie=UTF8&qid=1484753691&sr=1-3


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OfflineDactylium
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Re: How do I calibrate this hygrometer? [Re: AK1000]
    #24019350 - 01/18/17 08:38 AM (7 years, 2 months ago)

I wouldn't use one at all. I don't think I've seen a single TC use one in their fruiting chambers.

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InvisiblebodhisattaMDiscordReddit
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Re: How do I calibrate this hygrometer? [Re: Dactylium]
    #24019354 - 01/18/17 08:38 AM (7 years, 2 months ago)

Throw it in the trash. That's how I would calibrate it
Or save it for your living room

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OfflineAK1000
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Re: How do I calibrate this hygrometer? [Re: bodhisatta]
    #24019399 - 01/18/17 09:04 AM (7 years, 2 months ago)

You guys, I know my monotubs are dialed in fine and I don't need one. I'm asking how the fuck do I calibrate it regardless.

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OfflineKenetic
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Re: How do I calibrate this hygrometer? [Re: AK1000]
    #24019411 - 01/18/17 09:11 AM (7 years, 2 months ago)

You can calibrate it easily by throwing it full force into the nearest trashcan....


--------------------
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OfflineGoodkitty
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Re: How do I calibrate this hygrometer? [Re: bodhisatta] * 1
    #24019412 - 01/18/17 09:11 AM (7 years, 2 months ago)

Calibrate that hygrometer by getting your/your friends automobile, Wrap that baby up in a wet towel and then put it under the car tier and then step on it with the car the pressure from the car will calibrate it properly for mycology use.

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InvisiblebodhisattaMDiscordReddit
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Re: How do I calibrate this hygrometer? [Re: Goodkitty]
    #24019427 - 01/18/17 09:18 AM (7 years, 2 months ago)

Lol

http://www.cigarsinternational.com/mobile/cigar-101/article/29/salt-test

Then see what number you get and just always remember how far off yours is.

Calibration of your style temp/hygro is moot they're not accurate even calibrated usually

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Invisiblenatedawgnow
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Re: How do I calibrate this hygrometer? [Re: bodhisatta]
    #24019478 - 01/18/17 09:46 AM (7 years, 2 months ago)

If you really want to calibrate it, wrap it in a damp towel or paper
towel. If it doesn't read 99 or 100% humidity then calibrate it till it
does.

Electric/digital hygrometers suck ass and are almost not worth calibration.
Analogue is where it's at as far as instruments like that are concerned


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InvisibleMad Season
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Re: How do I calibrate this hygrometer? [Re: natedawgnow]
    #24019537 - 01/18/17 10:06 AM (7 years, 2 months ago)

Lol the paper towel method xD. So scientific..

OP.. it's actually impossible to measure relative humidity without first knowing your dew point, because relative humidity is directly related to it. Dew point can be changed with many things like temperature, and isn't necessarily always going to be at the exact spot it should theoretically be when compared to temperature.

Our chambers will have a much different dew point than the outside. Technically if you want to measure humidity, measure the dew point of the chamber first. But since it should be constantly fluctuating, it'll be basically impossible to get an accurate measurement. No hygrometer will accurately read rh like I'd want, besides there's really no need for one anyway.


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OfflineAK1000
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Re: How do I calibrate this hygrometer? [Re: Mad Season]
    #24019549 - 01/18/17 10:11 AM (7 years, 2 months ago)

Very interesting, thank you Mad Season!

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Invisiblenatedawgnow
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Re: How do I calibrate this hygrometer? [Re: Mad Season]
    #24019554 - 01/18/17 10:14 AM (7 years, 2 months ago)

Hey they didn't ask for the most scientific method :lol:


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InvisibleMad Season
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Re: How do I calibrate this hygrometer? [Re: natedawgnow]
    #24019569 - 01/18/17 10:23 AM (7 years, 2 months ago)

Hey man it would probably measure within at least 20-30% accuracy xD!

This is also why a decrease in temperature with the same amount of water molecules in the air increases humidity because the dew point has gone down.

In our chambers we should expect a real high dew point and thus it could even need 2-3 times more water molecules to be above 70% Rh compared to a 99% Rh of a lower temperature. This is also the reason why hygrometers suck dick in our chambers. How do you calibrate to our exact chambers environment? :shrug: a lot more work and money for better equipment IMO would be needed.


--------------------
contam and car window art
How to shroomery like a pro! (Seriously, everyone read this!)
Improve your sterile techniques! (A comprehensive guide to agar)
Links upon links of literally EVERYTHING UP TO DATE

AMU Q&A
No trees were killed in the sending of this message. However, a large number of electrons were terribly inconvenienced.

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OfflineDactylium
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Re: How do I calibrate this hygrometer? [Re: Mad Season]
    #24019766 - 01/18/17 11:51 AM (7 years, 2 months ago)

I knew it was a bad environment for a hygrometer but never knew why. Thanks Mad Season :thumbup:

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InvisiblemushboyMDiscord
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Re: How do I calibrate this hygrometer? [Re: Dactylium]
    #24019792 - 01/18/17 12:02 PM (7 years, 2 months ago)

i had a digital thermometer and hydrometer .. thought i was so bad ass with it being all scientific and junk..

until one day while i was putting new trays in my FC. the hydrometer said 13% and the thermometer said 118f.  y
went straight into the garbage. havent used one since. that was like 8 years ago.

Quote:

Dactylium said:
I knew it was a bad environment for a hygrometer but never knew why. Thanks Mad Season :thumbup:




and yah. i did not know that. thats awesome science mad season!

ill be pretending i knew that all along and repost that info as my own. score!:stoned:

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OfflineDactylium
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Re: How do I calibrate this hygrometer? [Re: mushboy]
    #24019802 - 01/18/17 12:06 PM (7 years, 2 months ago)

Quote:

mushboy said:
ill be pretending i knew that all along and repost that info as my own. score!:stoned:



That's literally all I do :wink:

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OfflineKenetic
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Re: How do I calibrate this hygrometer? [Re: Dactylium]
    #24020037 - 01/18/17 01:43 PM (7 years, 2 months ago)

Dont we all lol


--------------------
Todo Cambia
   

               
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Offlinebakenast
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Re: How do I calibrate this hygrometer? [Re: mushboy]
    #24205220 - 03/30/17 12:05 PM (6 years, 11 months ago)

Crap I was just looking for a good hygrometer,, so does this mean its concluded that there not any  hygrometers, that are closely accurate that are being sold for a reasonable price  that would work in a FC??

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Invisiblebastard4life
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Re: How do I calibrate this hygrometer? [Re: bakenast] * 1
    #24205226 - 03/30/17 12:08 PM (6 years, 11 months ago)

I'm going with no.

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Offlinebakenast
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Re: How do I calibrate this hygrometer? [Re: bastard4life]
    #24205261 - 03/30/17 12:22 PM (6 years, 11 months ago)

Quote:

bastard4life said:
I'm going with no.



That sucks..
Hey we registered within 2 days of each other how ironic lol...

Brothers??

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Invisiblebastard4life
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Re: How do I calibrate this hygrometer? [Re: bakenast]
    #24205266 - 03/30/17 12:27 PM (6 years, 11 months ago)

Quote:

bakenast said:
Quote:


Brothers??



Homies? I like that better.

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