Mares Puck temperature is wrong
- Thread starter beediving
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Dive computers aren't precise scientific temperature reading devices. You should expect some variations within their specs limits.
Eric Sedletzky
Contributor
Mine always reads higher than it actually is.
Take it with a grain of sea salt
Take it with a grain of sea salt
Rob9876
Contributor
I believe mine is actually more consistent in the water than it is with air temperature.
Jeff_O
Contributor
My 0ceanic puck bottom timer shows about 5 to 7 degrees Fahrenheit colder than an analog needle thermometer on my underwater gauges. Monterey California water is close to 50 Farenhght. So when it is showing 45 Fahrenheit, I know it is off. Final comparison, my sort of standard is a mercury long glass with etched markings in Celsius. So I converted to Fahrenheit and the needle thermometer is fairly close. My refrigerator though being a needle thermometer was way off like 10 degrees Fahrenheit colder reading. I resorted to using it out side on a branch on my orange tree. I know to just add 10 degrees. For a frig that would possibly lead you to believe the frig is safe to use, so that was a concern to use it elsewhere or throw it out. The comparisons to the glass mercury thermometer I do in a bucket. Too easy to break otherwise. Brewing beer and checking temperature is what it was for. The digital thermometer for the kitchen is quite accurate, but I would trust checking a comparison to the mercury thermometer once an a while. Not much can wear out like springs and electronics in that type!
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