| | |  | Radiator Actuators and Valves | Home » » » » Dayton 1UHG3 Humidifier Control, Plug In, 120 V | | | | | | | Description: | | Humidifier Control, Plug In Outlet With Piggy Back, Adjustable Range 30 to 90% RH, Differential +/- 1 RH %, Voltage 120, Contact Rating 15A Resistive 3A Inductive, Switch Action Close on Humidity Decrease, Switch Type SPST, Height 5 1/2 In, Width 2 3/4 In, Depth 1 3/4 In | | | Product Details: | | | Package Weight:
| 0.6 pounds | | Average Customer Rating:
|  based on 9 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 9 customer reviews )
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Most Helpful Customer Reviews
3 of 3 found the following review helpful:
 It works well but can't be calibratedNov 11, 2010
By TruthBeTold
Pros:
It works well. It keeps your plug-in humidifier or vaporizer running until the room humidity reaches whatever percent you set.
Cons:
-There is no way to calibrate it. However, this can be overcome by testing it and then adding or subtracting the difference when setting what humidity you want. On arrival mine was only a couple of percentage points higher than my properly calibrated hygrometer.
-It needs to be placed about half way up to the ceiling and away from anything producing heat in order to get a good reading.
1 of 1 found the following review helpful:
 Good idea and it works!Jan 28, 2012
By ceb777
"ceb777"
Rather than buying an overpriced humidifier with a built-in humidistat that doesn't work, I opted for this. The built-in humidistat, NEVER works, and it's been my experience and that of others. Simply state, it is a poor engineering decision because the device can never get an accurate measurement of humidity if it is so close to the source, yet the stupid manufacturers keep on doing it, merely to jack up the price, and the end users have the common complaint of the humidifier having only two states: either on all the time or off all the time.
This one solves the problem. It comes out of the factory quite accurate. I checked it against a couple of hygrometers I trust, and when I placed them at exactly the same spot, the measurement of this device was spot on.
Couple of tips I give other users:
1) Relative humidity measurement can be affected significantly by the position of the measurement device in the room. That's not only because humidity distribution may not be uniform in the room, but more importantly because relative humidity depends largely on the temperature, and you'll have temperature differences between different spots in the room, especially in cold winter when you're heating the room. So, place the humidifier controller in an outlet as close as practical to the point where you want to regulate humiditiy, and definitely not close to your heater.
b) Given how sensitive the measurement is to temperature, be carefuly if you place the device against a cold wall. Again, very possible during winter, if the wall is not internal to the house, but rather a wall that separates your room from the outside. If this happens, then know that the device will be measuring relative humidity thinking that the temperature is actually lower than it is inside your room, which causes the humidity measurement to be higher than it should, it could cause the device to turn off the humidifer before the desired humidity is reached. If this placement is unavoidable, the solution is:
a. Plug the device where you want.
b. Give it a few minutes to stabilize and take an accurate read.
c. Compare its measurement against that of a hygrometer you trust that is placed at the point where you want to regulate humidity.
d. The difference in the reading between the two is a good rough estimate of the amount of correction you need to do when setting the humidifier controller. E.g. if your trusted hygro reads 35%, and this controller reads 42% (because it is placed at a non-ideal position), and you want to improve your humiditiy to 40%, then you set your controller to 47%.
1 of 1 found the following review helpful:
perfectJan 13, 2011
By D. George
This is exactly what we needed; we use humidifiers all winter and it really helps with our sinuses. However even though we got the smallest output humidifiers we always used to have condensation on the windows in the morning (and sometimes on the walls & ceilings) and a little bit of mold was growing on the window edges. Ever since we hooked up to these fully adjustable humidistats we have perfect humidity control. It's been 1/2 a winter so far and we've been benefiting from the humidifiers and have not had condensation and no mold. Definitely recommend these!
2 of 3 found the following review helpful:
good productFeb 01, 2011
By tyler
i have two legs of prosciutto hanging in a spare bedroom and i use this product in junction with a small fan and a humidfier(both on a power strip plugged into the humidistat) set at 65% humidity and it works great- very simple and easy to use
2 of 3 found the following review helpful:
Love it. Keeps it where you want it.Jan 27, 2011
By Zeebaboo
I bought this to hook to a pond fogger to raise the always extremely low humidity in my home.
It works marvelously. Like others, I did have to set it about 10% higher than what I wanted
my more precise hygrometer to read. I find no fault other than the price hurt a little.-ouch-
Now if only the pond fogger's would last longer I'd stay floating on a cloud of humidity heaven.
See all 9 customer reviews on Amazon.com
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