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 Unreliable thermometer?
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Red123
Fully Grown Corn

United Kingdom
2030 Posts

Posted - 13/07/2011 :  19:33:48  Show Profile  Reply with Quote
I have a dual lucky reptile thermometer which I have been using in 2 vivs, one probe in each viv banded to the thermostat probe in each viv. I have just changed the substrate and thought I would check the temps with a seperate thermometer. The readings are very different.

Probe attached to thermostat probe reads 27.6 in viv number 1
Probe attached to thermostat probe reads 29.1 in viv number 2

The seperate thermometer that I placed in the viv in the exact same location of the other probes reads very different

30.5 in viv number 1
32.0 in viv number 2

I have checked the seperate thermometer and I believe that is accuarte, took my own temp with it, and yes I did disinfect it first. Anyone else had issues with the lucky reptile dual thermometer?
My poor corns must have been feeling somewhat over warm.

Corn Snake
, 1.0.0 Amel (Stan),

Royal Pythons
1.0.0 Normal (Nigel)

1.0.0 Albino (Tony)
Boa Constrictor Imperator
0.1.0 (Agatha)
Western Hognose
0.1.0 Normal (Stevie)

0.0.1 Schneider Skink (George)
1.0.0 Extreme Blonde Harlequin Crested Gecko (Bert)
4 GALS.

Tarantulas
Red Rump (B. Vagans) Jo.
Chaco Golden Knee (G. pulchripes) Charlie, Greenbottle Blue (C. cyaneopubescens) Gus, Honduran Curly Hair ( B. albopilosum) Titch, Mexican Fire Leg (B. boehmei), Salmon Pink Bird Eater(L. parahybana), Fort Hall Baboon (P. Lugardi) Blanche, Stout Leg Baboon (E. Pachypus) Graham, Chilean Rose (G. Rosea) Glen.



Border collie x (BoB), 2 Cats (Lucky & Dip), 17 Goldfish, and The Dubia Family

gingerpony
Queen Bee

United Kingdom
10455 Posts

Posted - 13/07/2011 :  20:07:22  Show Profile  Click to see gingerpony's MSN Messenger address  Reply with Quote
we've had problems with odd readings when the batteries needed replacing in our digi therms (various brands, not LR)

and thats a good reason why learning your snakes' behaviour and tailoring your husbandry to suit them is beneficial

cornsnakes, ratsnakes, bullsnakes, boas and day geckos

Location:Leeds/York/Selby area
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kdlang
Fully Grown Corn

United Kingdom
3556 Posts

Posted - 14/07/2011 :  15:17:36  Show Profile  Click to see kdlang's MSN Messenger address  Reply with Quote
I have found that my fortex thermometers read lower than my tn1 infrared thermometer. I keep my temperatures at the lower end of the range according to the fortex thermometers so that if the real temperature is slightly higher it won't matter too much

4.1.0 corns - Izzy (Carolina) Alice (Amel) Peanut (Butter Motley) Swayze (Ghost) Carmellia (Butter Motley)
0.1.0 cat - Kizzy
1.0.0 Dog - Dobbie
Location - Chesterfield, Derbyshire

www.support-dogs.org.uk
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tarotpodge
Hatchling

433 Posts

Posted - 14/07/2011 :  20:59:20  Show Profile  Click to see tarotpodge's MSN Messenger address  Reply with Quote
What is weird, is the difference in the tempreture readings is exactly 2.9 degrees for both vivs....How odd.

2.0.3 Corns, Creamsicle(Phoenix), Ghost motley(Savanna), 2x carolina(Indiana+Severus), Amel stripe (Frazzle).
0.3.0 Dogs, Shar pei cross, Staff and Dalmation 0.3.0 Cats 2.0.0 Chinchillas 7.11.23 Tropical fish 1.0.0 Iguana
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lotabob
Fully Grown Corn

United Kingdom
4334 Posts

Posted - 14/07/2011 :  21:19:21  Show Profile  Reply with Quote
Just calibrated slightly differently by 2.9 degrees. I have seen the same brand ones reading differently in the same place, I'm guessing a scientifically accurate thermometer would cost a LOT more than £5, I think the food probe thermometers are about £40 and they have to be a lot more accurate than a reptile one.

Anery Corn snake SPOT. Royal Python, DUKE. Hogg Island Boa, SANKE. Albino House Snake, HAL.
Harlequin Crested Gecko HARLEY
Albino Horned Frog WAKA
Chilean Rose Tarantula TRIXIE. Brazilian Salmon Pink Bird-eating Tarantula SAM. Orange Baboon Tarantula BORIS.
Giant Asian Forest Scorpion, SALLY.
Giant African Land Snails, SHELDON & MICHELLE.
Budwing Mantis, MAIA
Dubia Roach Colony. Silkworm Colony. Mealworm Colony. Waxworm Colony. Fruit Beetle Colony.

MY YOUTUBE CHANNEL http://www.youtube.com/user/alocheeky
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Red123
Fully Grown Corn

United Kingdom
2030 Posts

Posted - 14/07/2011 :  22:17:03  Show Profile  Reply with Quote
Seriously considering getting an infra red thermometer but have read that some of these can be out by nearly 3 degrees.

Corn Snake
, 1.0.0 Amel (Stan),

Royal Pythons
1.0.0 Normal (Nigel)

1.0.0 Albino (Tony)
Boa Constrictor Imperator
0.1.0 (Agatha)
Western Hognose
0.1.0 Normal (Stevie)

0.0.1 Schneider Skink (George)
1.0.0 Extreme Blonde Harlequin Crested Gecko (Bert)
4 GALS.

Tarantulas
Red Rump (B. Vagans) Jo.
Chaco Golden Knee (G. pulchripes) Charlie, Greenbottle Blue (C. cyaneopubescens) Gus, Honduran Curly Hair ( B. albopilosum) Titch, Mexican Fire Leg (B. boehmei), Salmon Pink Bird Eater(L. parahybana), Fort Hall Baboon (P. Lugardi) Blanche, Stout Leg Baboon (E. Pachypus) Graham, Chilean Rose (G. Rosea) Glen.



Border collie x (BoB), 2 Cats (Lucky & Dip), 17 Goldfish, and The Dubia Family
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lotabob
Fully Grown Corn

United Kingdom
4334 Posts

Posted - 14/07/2011 :  23:39:17  Show Profile  Reply with Quote
They are surface thermometers, they only ever measure the temperature of the surface. You could put an ice cube in an oven at 180 degrees, zap the icecube and still get a near 0oC reading.

Anery Corn snake SPOT. Royal Python, DUKE. Hogg Island Boa, SANKE. Albino House Snake, HAL.
Harlequin Crested Gecko HARLEY
Albino Horned Frog WAKA
Chilean Rose Tarantula TRIXIE. Brazilian Salmon Pink Bird-eating Tarantula SAM. Orange Baboon Tarantula BORIS.
Giant Asian Forest Scorpion, SALLY.
Giant African Land Snails, SHELDON & MICHELLE.
Budwing Mantis, MAIA
Dubia Roach Colony. Silkworm Colony. Mealworm Colony. Waxworm Colony. Fruit Beetle Colony.

MY YOUTUBE CHANNEL http://www.youtube.com/user/alocheeky
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Red123
Fully Grown Corn

United Kingdom
2030 Posts

Posted - 15/07/2011 :  14:35:02  Show Profile  Reply with Quote
Surely that would be fine for corns, measuring the temp of the heat mat surface, as the ambient temps are not needed. If I get a royal then I guess that an infra red thermometer would not be as useful.

Corn Snake
, 1.0.0 Amel (Stan),

Royal Pythons
1.0.0 Normal (Nigel)

1.0.0 Albino (Tony)
Boa Constrictor Imperator
0.1.0 (Agatha)
Western Hognose
0.1.0 Normal (Stevie)

0.0.1 Schneider Skink (George)
1.0.0 Extreme Blonde Harlequin Crested Gecko (Bert)
4 GALS.

Tarantulas
Red Rump (B. Vagans) Jo.
Chaco Golden Knee (G. pulchripes) Charlie, Greenbottle Blue (C. cyaneopubescens) Gus, Honduran Curly Hair ( B. albopilosum) Titch, Mexican Fire Leg (B. boehmei), Salmon Pink Bird Eater(L. parahybana), Fort Hall Baboon (P. Lugardi) Blanche, Stout Leg Baboon (E. Pachypus) Graham, Chilean Rose (G. Rosea) Glen.



Border collie x (BoB), 2 Cats (Lucky & Dip), 17 Goldfish, and The Dubia Family
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