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Wireless Temperature Monitors

So I showed Harold (Blueox) my four temperature display recently and found that the 'Dark' version is apparently no longer available.  The color version is. https://www.lowes.com/pd/AcuRite-Digital-Weather-Station-with-Wireless-Outdoor-Sensor/1000044699?cm_mmc=shp-_-c-_-prd-_-lwn-_-ggl-_-PLA_LWN_243_Planters-And-Outdoor-Decor-_-1000044699-_-online-_-0-_-0&gclid=CjwKCAjw3qGYBhBSEiwAcnTRLlzkxTq-_OSCNEkoF-Krru39vR4MJCrn7KzHV2guf5tUZdmSdmYl7BoCp8YQAvD_BwE&gclsrc=aw.ds
    I did find on Amazon a Bresser  4 station monitor   Amazon.com: BRESSER Quadro NLX Wireless Weather Station w/ Thermo-Hygro...   and it should arrive soon. It runs on 6 AA batteries, so it can probably be wired into the 12 VDC. and run off of a USB 5.0vdc port. Or maybe it needs 9v.    RonB

As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
RonB (Bostick) living in San Diego
Original owner of "Bluebelle" a '99 TKB

Re: Wireless Temperature Monitors
Reply #1
Hi, I got this unit today. It actually requires 9 AAA batteries. Two for each sender, and three for the base unit.  All worked well.  My older Acurite unit, you have to set the time and day/month/year.  The Bresser unit sets itself with WWVB. So that's a plus. The indoor is on the upper left. Outdoor 1 is lower left, upper right is Outdoor 2, and the lower right is Outdoor 3.  Those are the names and they can't be moved.
    The Acurite has a list of possible names, quite a few, that can be selected to identify the locations of the sensor (senders). And the positions of these can be moved around on the display.  Now of course the sending units while fixed in place on the Bresser unit display, the sensors can be moved around.  I usually put the outdoors sender on the same side as the indoor (built into the base station).  The other side at top is the Freezer, and the bottom is the refrigerator. Easy to do with both units.
    The Acurite outdoor sender has a loop at the top, and I put a bright red Velcro band on my mirror so I can see it to not drive away with it hanging there. The Bresser remotes are meant to be mounted on a screw.  I'm going to guess that they are at least waterproof enough to remain outdoors in the rain. Maybe in a water tight zip loc bag.  Many of the newer Lazy Dazes have a outside pipe arrangement for that sensor. So far my Acurite that is outdoors has been rained on a few times, without ill effects.
    For my Acurite I found a 12vdc to 5vdc adaptor with the small right angle plug it needed.  This Bresser unit comes with a 110vAC adaptor, but has the same requirement and the same size right angle adaptor as the Acurite,   I have a spare one in my garage somewhere, I'll have to find it online again.  RonB

    edit:  I forgot to mention that the Bresser monitor is less than a third $$$ of the Acurite monitor.  I have the 'Dark' version of Acurite.
RonB (Bostick) living in San Diego
Original owner of "Bluebelle" a '99 TKB

Re: Wireless Temperature Monitors
Reply #2

In 2015, I installed an Ambient Weather eight-station, it has worked fine with the exception of needing batteries periodically.
Amazon.com: Ambient Weather WS-10 Wireless Indoor/Outdoor 8-Channel Thermo-Hy...

It is used to monitor the interior, exterior, refrigerator, and freezer temps. It's located next to the battery monitor, solar controller, and surge-protector monitor fob. Nice to have all the readouts available in one spot.

Larry

As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
Larry
2003 23.5' Front Lounge, since new.  Previously 1983 22' Front Lounge.
Tow vehicles  2020 Jeep Wrangler Rubicon, 2001 Jeep Cherokee
Photo Collection: Lazy Daze

 
Re: Wireless Temperature Monitors
Reply #3

Thanks Larry;  I haven't done an extensive search for these monitors, and the one you have looks good too. I didn't know you could get one with so many remotes.
   Another one is this Baldr:  Amazon.com: BALDR Weather Station 3 Sensors, Weather Stations Wireless...
   RonB

As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
RonB (Bostick) living in San Diego
Original owner of "Bluebelle" a '99 TKB

Re: Wireless Temperature Monitors
Reply #4

While in Big Bear, I noticed that our “check” light on our Refrigerator was on. Very curious event since the rig was spot on level.

I noticed that the refrigerator fins were dripping. Prior to heading to Big Bear Lake, I had placed a large bag of carrots (neglected to leave them at home) on the small shelf next to the thermistor.

Thinking that this great bag of carrots was impeding the flow of air around the thermistor I moved them, set the fridge on AC for a few minutes and then reset to propane operation. The fridge lit and everything cooled back down (things in the freezer never thawed except for a little softening of my sherbet which solidified by evening).

RonB had given me a small digital thermometer which in conjunction with my fridge thermometer worked to concur everything was back to normal.

Today I purchased a digital fridge/freezer monitor which has an alarm for just such occurrences. Its alarm indicates temperature issues if any occur.

Here is a link to the product I purchased. Amazon.com: (New Version) AMIR Refrigerator Thermometer, Wireless Indoor... For $20 it sounds like a decent device.

Kent

As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
2015 27' RB "MissB.Haven"

Re: Wireless Temperature Monitors
Reply #5
Thanks Larry;  I haven't done an extensive search for these monitors, and the one you have looks good too. I didn't know you could get one with so many remotes.

I buy brand-name thermometers such as AcuRite or Ambient Weather so additional or replacement remote sensors remain available. Many of the no-name remotes will not be around a year from now.

Besides the wireless remotes, our refrigerator has two hard-wired temperature sensors, one in the fridge and one in the freezer, I like to keep a close eye on the temps. Too many sensors are just right.

Larry
Larry
2003 23.5' Front Lounge, since new.  Previously 1983 22' Front Lounge.
Tow vehicles  2020 Jeep Wrangler Rubicon, 2001 Jeep Cherokee
Photo Collection: Lazy Daze

Re: Wireless Temperature Monitors
Reply #6
"Hi, I got this unit today. It actually requires 9 AAA batteries."

AAA alkaline batteries of any brand are known to leak acid often destroying whatever they are placed in. AA alkaline aren't much better.  I finally bit the $$$ bullet and started using the Energizer lithium AAA & AA's in items that I didn't want destroyed  by the batteries. These seemed to last longer. I still use alkaline when the batteries get changed out often such as a wireless computer mouse.
Mike
2010 RB "Monty"  & currently: 2021 RB "Villa Verde"
2004 Born Free 26'
1998 Beaver Patriot 33'
1992 Barth Breakaway 28'
1982 Fleetwood Jamboree 23'
1982 Dolphin/Toyota 22'

Re: Wireless Temperature Monitors
Reply #7
Hi Mike;  The freezer remotes do better with lithium batteries. The Alkaline ones don't do well in the low, down to zero (and below) temperatures.  RonB
RonB (Bostick) living in San Diego
Original owner of "Bluebelle" a '99 TKB

Re: Wireless Temperature Monitors
Reply #8
The freezer remotes do better with lithium batteries. The Alkaline ones don't do well in the low, down to zero (and below) temperatures. 
 

The same combo of batteries I use.
The second set of the temp sensors is hardwired. With the readouts located outside the refrigerator, the readout batteries last for several years.
The hardwired sensors are taped to the shelves in both refrigerator and freezer and seem to provide a more consistent reading being directly connected to a bit of mass.

Larry
Larry
2003 23.5' Front Lounge, since new.  Previously 1983 22' Front Lounge.
Tow vehicles  2020 Jeep Wrangler Rubicon, 2001 Jeep Cherokee
Photo Collection: Lazy Daze

Re: Wireless Temperature Monitors
Reply #9

An update on the Bresser temperature monitor:  I have it up and running, and it is much easier to set up.  The Acurite, should it's batteries die, and it gets unplugged  accidentally, requires some time to restore names and set the clock'.
    The Bresser sets it's own clock, and the display is smaller, but the digits are about the same.  The base is wider so it doesn't fall over as easily.    Amazon.com: BRESSER Quadro NLX Wireless Weather Station w/ Thermo-Hygro...

I couldn't find a 12v to 5v adaptor with the correct output plug like I found for the Acurite, (years ago)  but got an adaptor with a micro USB that can be cut off and wired onto the plug from the 115v. AC adaptor that the Bresser comes with. So you lose that 115V AC ability.
  That 'buck' adaptor:  X000QP7B2Z   EA-HW02_MOR  Made by HIITCAR  Amazon.com: Car DC 12V to 5V Power Inverter Hard Wired Converter Kit Charger...   RonB

As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
RonB (Bostick) living in San Diego
Original owner of "Bluebelle" a '99 TKB

Re: Wireless Temperature Monitors
Reply #10
Looking at the models listed above, it looks like none keep history (of temps over time).

Let me know if that is not true.

We have used SensorPush - The main reason we got these is it has a gateway to send info (including alarms) to your phone app over Wi-Fi (including over a cellular device using hotspots).  That way we knew temps in the RV to keep our pets safe when we were not there.

I love the historical data SensorPush keeps - to see how it performs when I am not there looking at it (middle of the day when it is hottest, I compare warmer days vs colder ones, use general inside RV temps to see how they affect the fridge temps, etc.).

It is more expensive but for the extra features worth it to us. 
We are at the point of wanting more temperature sensors (portable freezer as well as rv fridge and freezer and general inside rv temps).  So I will be reviewing expanding the current system or trying out a new brand or using two different brands (we only need Wi-Fi alarm for a couple places but history is very nice to have - check that night / once a week that things were good all day long or we are pushing limits.

If any of the above models (or any other models anyone has tried) do history I would appreciate that info. 
Jane & Scott
Currently have a 1989 TK  LD we did a lot of upgrades on.
Bigfoot 25RQ Twin on order with early summer 2024 ETA

Our smartphone autocorrects into very poor English.
 We disclaim the illusion of ignorance this creates as we have enough ignorance we rightly claim.

Re: Wireless Temperature Monitors
Reply #11

I've been using Govee wireless temperature/humidity sensors for some years now. They're quite compact (1.57 x 1.57 x 0.67 inches) and communicate via Bluetooth with a Govee app on my iPhone. I don't think they are waterproof, but if protected from rain, they work fine in up to 99% humidity. (I keep one in my outside shower compartment.)

The smartphone app can show readings from a number of sensors in either summary or detail format, with history displayable by the hour, day, week, or year. Each sensor can store data for up to two years. The app allows setting high and low temperature alarms. I believe these sensors can communicate with a web portal via the app, but I've never done that.

I have four of these Govee sensors--at $15 apiece they're quite affordable--which I mainly use to monitor my refrigerators and freezer. I've been very happy with them. Battery life seems to be at least a year.

(Note: in the attached "temperature by day" screenshot, the oscillations you see are due to the fridge's thermostat going on and off. The refrigerator, a Dometic CFF45 chest fridge in my truck, is set to 37° F, and as you can see it's holding pretty close to that setting: within about three degrees in a 24-hour period, and within a degree at any given time during the day. On the weekly screenshot, you'll see a couple of brief spikes when I'm loading or unloading groceries from a shopping trip. In short, the Govee monitor's history provides very detailed information.)

As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
Andy Baird
2021 Ford Ranger towing 2019 Airstream 19CB
Previously: 1985 LD Twin/King "Gertie"; 2003 LD Midbath "Skylark"

Re: Wireless Temperature Monitors
Reply #12
Having used a wireless combo thermometer to read fridge and freezer temps for years, I became frustrated with having batteries fail at inopportune times, and relatively frequently, due to the higher power consumption for the transmitter/receiver functions. As a result I got an inexpensive indoor/outdoor wired thermometer with dual display. I fished out the 'indoor' thermistor and attached it to a thin flat cable like the outdoor sensor, and ran both under the door gaskets. Any leakage past the thin cable transgressions appears minor. This worked for the better part of a decade in our old rig, and now since 2012 in the new one. I replaced the (1 AA) battery once in all that time.

Steve
2004 FL
2013 Honda Fit

Re: Wireless Temperature Monitors
Reply #13
Thanks Andy.  The Govee ones look like a possibility.  Govee has Wi-Fi sensors available (little more expensive) - a quick look in amazon didn’t say how they worked ( I didn’t see a separate gateway being sold/discussed).

Our SensorPush batteries last a couple years with a nice warning plenty early to buy any needed batteries (common button ones)

SensorPush does have water proof sensors as well as non- waterproof ones.  We have non water proof ones (the older design) amd after one got wet in the fridge and died, we put them in a double baggie and that works fine.
Jane & Scott
Currently have a 1989 TK  LD we did a lot of upgrades on.
Bigfoot 25RQ Twin on order with early summer 2024 ETA

Our smartphone autocorrects into very poor English.
 We disclaim the illusion of ignorance this creates as we have enough ignorance we rightly claim.

Re: Wireless Temperature Monitors
Reply #14
"Govee has Wi-Fi sensors available (little more expensive) - a quick look in amazon didn’t say how they worked ( I didn’t see a separate gateway being sold/discussed)."

I've found that when I want to know the details of a product's features before I buy it, the best way is to download the manual. Here's the manual for the Govee H5179 Wi-Fi sensor. Hope it'll answer your questions.
Andy Baird
2021 Ford Ranger towing 2019 Airstream 19CB
Previously: 1985 LD Twin/King "Gertie"; 2003 LD Midbath "Skylark"