Thermometer for fermentation chamber

Is anyone familiar with these thermometers?

http://www.ebay.com/itm/Digital-LCD-Indoor-Outdoor-Celsius-Thermometer-w-Probe-/160615581160

I was thinking of using this in my fermentor so that I can get a better idea of when to change out frozen water bottles.  Has anyone used anything like this?  Can anyone recommend something they are familiar with?

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Price is right. Free shipping. Ought to work well if you don’t mind Celsius only.

I local club member here picked a bunch of those up and uses them in all of his fermentation chambers, feezers, fridges, etc. He doesn’t mind the Celsius.

I take it they are satisfied with their performance?

I ordered a couple of them.  Thanks.

He is.

Cheers!

What are you using for a fermentation chamber? If it is just an insulated enclosure the ice and the thermometer will work. If you want to use a freezer or fridge to ferment ales in the 60 degree F range, an SCT-1000 temperature controller, $20 from Amazon, works great. Allows you to maintain a constant temp using the existing cooling system and heat with a 60 watt ceramic heater. Used but relatively new 4 to 5 CF freezers and fridges can be purchased from $20 to $50. Just make sure you can close the door with the plastic bucket / carboy inside.

I’d add that if you are using a temperature controller like a Ranco, it will display the current temp. being reported by the probe.

http://www.amazon.com/gp/product/B001VXZVNG/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1

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$24 delivered…works great and mirrors my a419 probe temp in freezer.