Digital thermometer accurate? - The Planted Tank Forum
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post #1 of 5 (permalink) Old 06-10-2017, 11:11 PM Thread Starter
Algae Grower
 
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Digital thermometer accurate?

Just bought a top fin digital thermometer. It's reading 82f. My glass thermometer is reading 76f and the heater is set on 79f. So who's right? What's my actual temp?

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post #2 of 5 (permalink) Old 06-10-2017, 11:17 PM
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You might calibrate using a cup of water filled with ice. The one closest to 32-33 is the one that is closest


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post #3 of 5 (permalink) Old 06-10-2017, 11:18 PM
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I'm having the same issues. My digital says 76, but I had to drop my heater thermostat to 71 in order to get my digital down to 76. I'm going to buy an old style one to drop in the tank and just average the 2

Joe
Northern Westchester, NY

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post #4 of 5 (permalink) Old 06-10-2017, 11:20 PM Thread Starter
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I read reviews on it and everyone said they are pretty accurate but I'm not seeing it. Suppose to be within 1 degree

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Quote:
Originally Posted by mbkemp View Post
You might calibrate using a cup of water filled with ice. The one closest to 32-33 is the one that is closest


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This worked perfect! Thanks

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Last edited by Darkblade48; 06-11-2017 at 02:45 PM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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post #5 of 5 (permalink) Old 06-11-2017, 12:53 AM
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Sweet. Happy to help


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