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  • Oregon Scientific Multi-Room Indoor-Climate Monitor w/Atomic Clock plus Weather Forecaster - RMR500A
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Oregon Scientific Multi-Room Indoor-Climate Monitor w/Atomic Clock plus Weather Forecaster - RMR500A


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  • Multi-room indoor-climate monitor and clock with weather forecaster
  • Weather forecast with graphical icons: sunny, partly cloudy, cloudy, rainy and snowy
  • Displays indoor/outdoor temperature and humidity at up to 4 different locations
  • Radio-controlled clock and calendar sets itself for perfect time and DST changes
  • LED backlight; desktop and wall-mountable; mold alert icon
Currently unavailable. We don't know when or if this item will be back in stock.

Product Description

Keep your house in check! The Multi-Room Climate Monitor monitors the temperature and humidity in up to four rooms of your house with this weather and home environment station. Each room¿s temperature and humidity data is divided into easy-to-read segments on the large LCD display. Reduce the chance of mold using the built-in mold alert function and know the weather forecast for the next 12-24 hours. RMR500ESA/RMR500

Product Details

  • Product Dimensions: 5.2 x 1.5 x 5.2 inches ; 12 ounces
  • Shipping Weight: 1.9 pounds
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0013542IM
  • Item model number: EARS7/RMR500
  • Average Customer Review: 3.9 out of 5 stars  See all reviews (20 customer reviews)
  • Amazon Best Sellers Rank: #1,124,766 in Home & Kitchen (See Top 100 in Home & Kitchen)
  • Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

This unit does it all and is very accurate and easy to set up.
Mauro Lanzisera
These bars are many times brighter than the display background, thereby making the numbers almost impossible to read.
Tog
Well I compared it to the sensors and main unit and they were all off significantly.
Trevor S. Schultz

Most Helpful Customer Reviews

21 of 21 people found the following review helpful By Amazon Customer on May 26, 2009
We have an older home that had some mold issue we had to correct when we moved in. I have a weather stations and various temp/humidity sensors in the house but wanted a centralized unit that could display temp and humidty. The temp and humidty are very accurate (I used my high end Davis unit to compare data) from the base unit and remote sensors. I have been able to determine that having the bathroom exhaust fan for 10 min after a shower is inadequate. With this sensor, I know it needs to run for 20-30 minutes to bring the humidty below 60% again. Having this data was vital to prove to my wife that she needs to keep that fan on, which she hates doing otherwise.

I have had no issues with the display clarity and think there is adequate backlight when the button is depressed.

There are a few cons:

1) Unit lacks a max/min for temperature or humidity. I found this very surprising since Oregon Sc. has this on their other units that sell for much less. There's merit for keeping things simple but this was just being cheap on their part.

2) There is no trend indicator showing if temp & humidity are rising or falling. Again, this would have been very easy to program into the main display, but I'm getting picky.

3) Additional remote sensor prices are unreasonably inflated. This is just robbery. For the price of 2 additional sensors, you could buy a new unit with 2 remote sensors (unfortunetly, the outside doesn'ty let you change the transmission channel).
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20 of 22 people found the following review helpful By Tog on February 20, 2009
Verified Purchase
Because this unit shows all five of its pairs simultaneously, the numbers are quite small, so this unit, instead of being readable across the room as were earlier models that showed their pairings sequentially, is only readable if you are within a couple of feet. That we knew going in. What we didn't know is that the RMR500A's screen is about one-third as reflective as the prior, discontinued models we own, so the numbers, under normal lighting, appear as little as 10% darker than the background (approximately Tungsten on Iron, instead of the Tungsten on Silver of the earlier model), making it impossible to read the display without significant light striking the screen. (The product photo is how the numbers would look were you to shine a high-intensity light directly on the display and in no way represents the contrast ratio you can expect in "real life.")

Not satisfied with an inferior display, they then released an industrial designer to create a huge, hulking piece of highly-reflective and rippled plastic that is permanently fused to the front of the display. This hunk of plastic features the thick bas-relief of a cutsey little two-story house, complete with rooms, to further distort the already difficult-to-see numbers.

The finishing touch are brightly-colored bars on which you can hand-write your labels (no labels other than "Main Unit" were supplied). These bars are many times brighter than the display background, thereby making the numbers almost impossible to read. (The current product illustration shows black bars with professionally printed labels. Neither those bars nor those labels were provided with my RMR500a, shipped in January, 2009.)

On the upside, this device can show five temperature/humidity combinations simultaneously, which is a real plus.
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5 of 5 people found the following review helpful By Ted on November 2, 2009
Verified Purchase
Not awful, but far from great. I sent it back pretty quickly. I really liked how all of the temperatures are displayed at the same time. But, I was grossly disappointed that it didn't store min/max temps. The display was pretty easy to read. The little plastic chips that come with it to label each section of the display were pretty weak (you're expected to write on the little plastic chip with a marker, then snap it in place.) Would have been nice to have some preprinted labels so it wouldn't look so cheap. It has a backlight for when it's dark, but you can't find the button to turn on the backlight in the dark, without pressing some other button you didn't mean to... Poor design in that area.
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3 of 3 people found the following review helpful By Backpack NC on January 15, 2009
Verified Purchase
We are thrilled with this climate monitor - best we've owned to date. At first concerned about price, but with all the features it has earned 5 stars and we'd recommend. Classy look and more accurate than internet weather forcast.

Main unit is hung on the entrance hallway by the coat closet telling us how to dress for the day as we head out. The unit has some algorithm that guestimates outside conditions (rain, etc.) - not sure how accurate, but seems good.

The unit comes ready to show temp and humidity at main unit, outside and another room. We purchased an additional satellite unit for an additional room.

We have satellite units 1) outside attached on post under deck, 2) in basement (where we appreciate the mold alert) and 3) in our "cold" bedroom to know the temp and humidity in all key areas in the house. Atomic clock is another nice plus.
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3 of 3 people found the following review helpful By Trevor S. Schultz on June 3, 2009
I bought this product to monitor my two humidors that I have. To me, it is vital that the humidity and temp are very accurate. The temp is very accurate for the main unit as well as the sensors. The humidity, however, is another story. I have a calibrated hygrometer which I double checked for accuracy using the salt test. Well I compared it to the sensors and main unit and they were all off significantly. (6%,9%, and even 15%) Normally, I wouldn't really mind that much as long as the percentages stayed incorrect by the same percentages all the time, but they dont. I did the test twice (both in a closed controlled environment), and the percentages varied by different percentages this time. I would not recommend this product for anyone that is looking for an accurate humidity measure, as I was for my humidors.
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