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Calibrated thermometer
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jpiotrowski View Drop Down
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Joined: September 30 2004
Location: Tollgate Canyon
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Points: 923 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jpiotrowski Quote  Post ReplyReply Direct Link To This Post Topic: Calibrated thermometer
    Posted: February 20 2008 at 11:02am
Has anyone had to re-calibrated their neptune thermometer?  I just discovered that mine was 6.5F off.  If that is true for my 'high temp' then:  81.5 F (reading) = 87F (actual) and current 75F = 81.5F
 
That equals ouch.  If this holds out I think I know why my tank looks like crap!
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Points: 3645 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Snowsrfr Quote  Post ReplyReply Direct Link To This Post Posted: February 20 2008 at 12:09pm
I had to recalibrate mine about 6 months after I got my AC Jr. I used my digital thermometer from my nano, and adjusted from there. Mine was about 3.5 degrees off when I re-calibrated.
"A fish tank is not a pet. It's a TV that you gotta feed." - John Caparulo
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Points: 1239 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jonafriendj Quote  Post ReplyReply Direct Link To This Post Posted: February 20 2008 at 12:55pm
I used 2 of those digital thermometers to calibrate my acjr.  But... one ended up being higher than the acjr and one ended up being lower so I just left it!  Supposedly the digital ones everyone has aren't very accurate but the floaty glass ones are supposed to be.
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jpiotrowski View Drop Down
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Joined: September 30 2004
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Points: 923 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jpiotrowski Quote  Post ReplyReply Direct Link To This Post Posted: February 20 2008 at 1:00pm
I took a second reading with the 'calibrated' digital and it was reading 1 degree C high.  But still I am looking at  4-5 degrees F off.
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Dion Richins View Drop Down
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Points: 11664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dion Richins Quote  Post ReplyReply Direct Link To This Post Posted: February 20 2008 at 4:06pm
Those digital ones suck. Ive got 4 of them and they all read different. 6 degrees form the high to the low. I bought a spa thermometer to set my Neptune by. The Neptune was 4 degrees off and the expansion module was 5 degrees off.
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