De-humidistat / thermostat control

[lilrobb]

I am looking for a unit that controls a fan (or other 120V device) based on <u><span style="color: Red;">either</span></u> relative humidity (above x% = ON) or temperature (above x degrees = ON)

Anyone an idea?

 

[johniii]

White Rodgers commercial Thermostat with rh control. Two 24v relays and a transformer to switch 120 to 24. Can be had for less than 200

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[lilrobb]

got a link or a model #?

 

[johniii]

LilRobb;726908 wrote: got a link or a model #?

1f95-1291 is the model. Can get relays and xformer at grainget

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[johniii]

Or a honeywell h46c 1000 it is line voltage then an a19abc Johnson thermostat hooked in parrelel either or will control. So rh rise fan on temp rise fan on

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[reeferman]

Go to discount hydroponics.com and look there.they have plug and play ones for better prices

 

[jbdreefs]

I'm planning to use arduino to make a reef controller and it has the ability to do this. Arduino board ($30), Temp & Humidity sensor ($10). Add a couple relays, spend some time programming, and you would be set.

I haven't priced out relays completely yet, but I think what you (or I) would need is $6-8. Total price is probably between $50 and $100 by the time you factor in wires, housing, etc.

What else can one do with arduino? Control LEDs, monitor PH, temp, or anything else that has a sensor, ATO. My understanding is that the possibilities are limitless.

Just thought I'd throw another option out there.

 

[lilrobb]

reeferman;726972 wrote: Go to discount hydroponics.com and look there.they have plug and play ones for better prices

There website is very basic - and I didn't see anything like I described, got a link?

 

[reeferman]

http://www.discounthydroponics.com/">http://www.discounthydroponics.com/</a>
it wont let me link the specific page.look under Climate Controllers on the left.first listed is the C.A.P. Humidity controller,sounds like what youre looking for.we have a greenhouse and ive ordered many times from DH.very reliable and great equipment.much is the same stuff we use in reefing.

 

[bruce 1]

found it

Edit: Looks like the
C.A.P. Humidity Controller HUM-1 would work. Just plug in the fan, good find.

 

[reeferman]

the one for humidity/temp is right below the other one,just noticed you had temp there too.

 

[bruce 1]

http://www.rewci.com/huco.html">http://www.rewci.com/huco.html</a>

one more

 

[lilrobb]

reeferman;726989 wrote: http://www.discounthydroponics.com/">http://www.discounthydroponics.com/</a>
it wont let me link the specific page.look under Climate Controllers on the left.first listed is the C.A.P. Humidity controller,sounds like what youre looking for.we have a greenhouse and ive ordered many times from DH.very reliable and great equipment.much is the same stuff we use in reefing.[/QUOTE]

THANKS!

Here is what I need:
[IMG]http://www.discount-hydro.com/products/C.A.P.-Temperature%7B47%7DHumidity-Controller-AIR%252d2.html">http://www.discount-hydro.com/products/C.A.P.-Temperature%7B47%7DHumidity-Controller-AIR%252d2.html</a>

Wish it came two stage for heat AND cooling + humidity...

 

[reeferman]

youre welcome
you could use one of these,but its more functions you dont need
http://www.discount-hydro.com/products/C.A.P.-Complete-Greenhouse-Controller-CGC%252d1E.html">http://www.discount-hydro.com/products/C.A.P.-Complete-Greenhouse-Controller-CGC%252d1E.html</a>
or this
[IMG]http://www.discount-hydro.com/products/C.A.P.-Temperature%7B47%7DHumidity-Controller-AIR%252d2.html">http://www.discount-hydro.com/products/C.A.P.-Temperature%7B47%7DHumidity-Controller-AIR%252d2.html</a>
coupled with this
[IMG]http://www.discount-hydro.com/c-a-p-day-night-temperature-controller-tmp-dne/">http://www.discount-hydro.com/c-a-p-day-night-temperature-controller-tmp-dne/</a>
you can get them without the photocell,but i dont see it right now.