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Open Roads Forum  >  Tech Issues

 > Wireless 2-sensor fridge thermometer?

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Dutch_12078

Winters south, summers north

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Posted: 02/01/22 07:03pm Link  |  Quote  |  Print  |  Notify Moderator

I'll add another vote for the Accurite twin sensor unit linked above. We've used them in two different motorhomes since 2008 with no complaints. I just changed the freezer sensor alkaline batteries that have been in daily use for about 18 months a couple of weeks ago. The fridge sensor batteries last even longer.


Dutch
2001 GBM Landau 34' Class A
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johnhicks

Wandering below the Gnat Line

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Posted: 02/01/22 09:13pm Link  |  Quote  |  Print  |  Notify Moderator

I pour the beer over the ice cubes. Slows me down.


-jbh-

wa8yxm

Davison Michigan (East of Flint)

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Posted: 02/02/22 04:38am Link  |  Quote  |  Print  |  Notify Moderator

I have used lacross technologies. they make an up to 3 sensor unit (hang a 3rd sensor out of the sun outside exposed to outside air.. I hung one in my battery compartment.. or in the front of the RV protected from engine heat)

NOTE one caution applies mostly to the freezer.. Standard Batteries (Carbon zinc or alkaline) may fail below freezing..... Lithium types seem to do better at PRODUCING power when cold... There is more to this but I'm not talking about rechargables.

Matters not who made the device. only what kind of battery.


Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times


fj12ryder

Platte City, MO

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Posted: 02/02/22 07:35am Link  |  Quote  |  Print  |  Notify Moderator

We have one of the cheapies from Amazon and it works well. The batteries, plain old alkaline, have been in constant use for over 3 months and are still going strong. For less than $20, I'm happy.


Howard and Peggy

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YC 1

Yuba City Calif./ Auburndale Florida

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Posted: 02/02/22 07:38am Link  |  Quote  |  Print  |  Notify Moderator

Wereless Thermometers

This is a three set pack that uses wi-fi and/or blue tooth.

I use this to monitor the critical range of temperatures required to store vials of medicine. The medicine comes with a logging thermometer but I want to know if there is a problem occurring do to a door being left open or a refer failure. It sends me a text if the temps go out of my programmable range. It comes with three sensors so can monitor other areas of concern.

The other advantage is if we leave our fur baby alone we can keep an eye on the temps and if there is a failure in the RV we will get an alert if the temps go too high.


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Gdetrailer

PA

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Posted: 02/02/22 03:10pm Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

Gdetrailor,

My experience is that Alkaline batteries perform rather better than Li at low temperatures. It is anecdotal evidence.


Never tried the non rechargeable Lithium batteries as they are more expensive than standard alkaline dry cells.

However, according to THIS website, Energizer Lithiums ARE rated down to -40C (yes, negative 40 degrees Celsius).

My experience using alkaline drycells in my garage T stat pretty much proves to me that uses where temps are consistently below below 40F for several weeks isn't 100% reliable. They will of coarse come back to life once they warm up for a while..

According to THIS website, Alkalines work best at 60F-80F

According to THIS website, Alkalines lose 60% of their useful life if used at temps below zero F..

For the very reason of lack of extreme low temp performance of Alkaline drycells, I keep flash lights loaded with NIMH batteries in my vehicles with the downside of having to periodically remember to recharge them.

Dave H M

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Posted: 02/03/22 12:32pm Link  |  Quote  |  Print  |  Notify Moderator

I am going Bobs123 route. [emoticon]

Gdetrailer

PA

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Posted: 02/03/22 01:59pm Link  |  Quote  |  Print  |  Notify Moderator

Almot wrote:


Maybe my Ebay wired thermometer was too cheap at $8.


Umm, yeah, cheap + ebay = cheap junk..

For silly things like thermometers, why subject yourself to the whims of ebay junksters?

You can easily find lots of better quality digital thermometers at your local retail stores for the same price or a few dollars more..

I have some Accurite, some older Radio Shack ones and perhaps a few other brands (all hard wired) laying around between house, RV and a few other projects and have never had one issue with them working or not working.. Have one that does have a touchy switch which likes to revert to C readings instead of the F readings if you touch it..

The one wireless unit I have which is a all in one LaCross weather station with windspeed, direction, temp, humidity is the least reliable.. Disconnects and reconnects randomly, batteries in the outdoor unit tend to fail during the winter and takes a lot of batteries.. Wished I would have popped for the good old Heathkit wired weather station many yrs ago.. They were stupidily priced back then but I guarantee they would be far more reliable than the cheap wireless junk on the market..

I am sure you could find lots of wired Accurites for $12 US which will be much more reliable than a $8 CAN Ebay special.

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