Go Back   Aquarium Advice - Aquarium Forum Community > General Aquarium Forums > General Hardware/Equipment Discussion

Join Aquarium Advice Today
Thread Tools Search this Thread Display Modes
Please support our sponsors and let them know you heard about them on AquariumAdvice.com
Old 04-18-2014, 05:26 PM   #1
Aquarium Advice FINatic
Join Date: Dec 2005
Location: Warrensburg, IL
Posts: 568
Send a message via AIM to TheChad
How to check Thermometer accuracy?

Hey all,

Okay, so I have a Coralife Digital Thermometer - Digital Thermometer | Coralife Marine & Freshwater Aquarium Supplies

I also have a AA 3008 Digital Thermometer With Dual Alarms - Digital Thermometer With Dual Alarms

I also have a regular mercury-type Aquarium thermometer..

All 3 read completely different tempatures, On top of that there is also a thermometer on my new Finnex HC-0810 Digital Heater Controller.

My Coralife thermometer reads: 78.2
My AA 3008 thermometer reads: 77.4
My mercury-type thermometer reads: 81
My Finnex HC-0810 Digital Heater Controller reads: 78

All 3 thermometers are in the same place about 3" apart inside the tank, while the Finnex HC-0810 is down in my sump.

So how to I test which one is accurate? The Coralife has a Calibrate button, I don't know if the AA 3008 can be calibrated or not.



90 Gallon Drilled Glass Tank w/ Corner Overflow: 492w (2x 150w 14,000K MH, 2x 96w Actinic CF) Coralife Aqualight Pro | Custom 34x15x15 Sump/Refugium | SWC Skimmer | Coralife Turbo-Twist 6x UV Sterilizer | Maxi-Jet Power Head w/Sure Flow Upgrade Kit | 120lbs of Live Rock | 100lbs of Live Sand
TheChad is offline   Reply With Quote
Old 04-18-2014, 07:13 PM   #2
Aquarium Advice FINatic
Jmunroe's Avatar
Join Date: Jan 2013
Location: Dartmouth, Nova Scotia
Posts: 680
I always found the mercury ones to be the most accurate. If I were you I would go and get 2 more of the cheap mercury ones and compare those 3. Then compare them your digital ones so you know what the digi ones will read when they are at the actual temp you want.

Sent from my iPhone 5 using Tapatalk 2
Jmunroe is offline   Reply With Quote


Please support our sponsors and let them know you heard about them on AquariumAdvice.com

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
suction cup thermometer vs. outside stick on thermometer! allaboutfish General Hardware/Equipment Discussion 25 05-15-2011 05:18 PM
refractometer accuracy? mwrmma Saltwater Reef Aquaria 9 02-13-2007 06:15 AM
Test Strip Accuracy dskidmore General Hardware/Equipment Discussion 8 10-01-2006 05:59 AM
Pinpoint calcium and SG monitor accuracy Brenden General Hardware/Equipment Discussion 0 10-27-2005 08:23 PM
Thermometer Accuracy - Liquid Crytal or Traditional? WhiteCloud Saltwater Reef Aquaria 4 01-25-2005 07:11 PM

» Photo Contest Winners

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2012 Social Knowledge, LLC All Rights Reserved.

All times are GMT -4. The time now is 11:54 AM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.