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Thread: Rheostat issue

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  1. #1
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    11-09-2010
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    Rheostat issue

    So we have had a under the tank heating pad for months now to heat the warm side of her tank and it has worked out well. It's not the "sticky" kind because we didn't want that.

    It looks like this:

    http://www.bigappleherp.com/core/med...b4ebdb69ee9489

    It has worked out perfectly fine but the problem is we were using a infrared bulb on a rheostat to heat her cool side of the tank to about 80 degrees and it was making it very difficult to keep the humidity at proper levels because the the infrared bulb was just sucking the humidity out of the entire enclosure. So we ordered another heating pad to use on her cool side with the rheostat but even at the lowest setting on the rheostat it is at 82.8(that seems a bit high considering the house temp is at 68 degrees and the rheostat dial is at the lowest position right before turning it off.

    The warm side identical heating pad is not on a rheostat or anything to control it's temp and it's currently 88.5 degrees on the warm side.

    The cool side identical heating pad is on a rheostat set at the lowest possible position and it's currently 83.3 degrees on the cool side.

    That is only 5.1 degrees difference that the rheostat can control!

    It's a zoo med rheostat:

    http://s3.amazonaws.com/tc-photos/11...ard/512827.jpg

    It is pissing me off that it can barely even control 5 measly degrees!

    We don't have the money to buy a thermostat right now but is there better rheostats out there than this?
    Last edited by dr del; 04-08-2011 at 06:08 AM. Reason: Hotlinking

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