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Oregon Scientific UVN800 Remote UV Sensor

3.6 out of 5 stars 23 customer reviews

List Price: $59.99
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  • UV Remote Sensor
  • Works with WMR80, WMR100 and WMR200
  • Water-Resistant
  • 1 year warranty
5 new from $49.99 1 used from $46.14
$51.27 & FREE Shipping. Details Only 1 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Oregon Scientific UVN800 Remote UV Sensor
  • +
  • Oregon Scientific THGR810 10-Channel Wireless Remote Thermometer/Humidity Sensor with 10 Channels for the WMR200, WMR100, and WMR90 Weather Stations
  • +
  • Oregon Scientific WMR200 Professional Weather Center
Total price: $366.46
Buy the selected items together

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Product Description

The UVN800 allows you to view UV exposure on your weather station. Collects UV Data and transmits data wirelessly to various wireless weather stations. Features: Collects UV data UV Index readings and risk message: Low, Med, High, Very High, and Extreme Compatible with wireless weather station products: WMR100, WMR200, WMR90, and WMR80 Transmission range: Up to 330 feet (open area) Wall mount or stake apparatus for insertion into the ground Includes 2 AA 1.5V batteries

Product Information

Product Dimensions 4.5 x 2.2 x 10 inches
Item Weight 7.2 ounces
Shipping Weight 7.2 ounces (View shipping rates and policies)
Department unisex-adult
Manufacturer Oregon Scientific
ASIN B000R8IIKE
Item model number UVN800
Customer Reviews
3.6 out of 5 stars 23 customer reviews

3.6 out of 5 stars
Best Sellers Rank #758,614 in Home and Kitchen (See Top 100 in Home and Kitchen)
#638 in Patio, Lawn & Garden > Outdoor Décor > Outdoor Thermometers

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
UPDATE: 4-22-2012

Updated my review to 3 stars from 1 star after OS customer service helped me out. After the unit stopped working after 1 year, I tried several different combinations to reconnect the unit, pushing "reconnect" many times. The same thing kept happening - it would connect for a short time, then disconnect. I received the following instructions from OS, followed them, and the unit has now been working for 3 days, so I think it is worth a try if yours isn't working. Here is what OS said:

"Please try doing a battery reset, here are the steps:
A battery reset consists of a few simple, but crucial steps. (*Please Note: Keep all components within the same 10 ft. radius while re-synchronizing.)
1: Remove /batteries from indoor units and sensors. Unplug any on AC power.
2: Allow a minimum of 10 minutes for any/all capacitors to discharge.
3: Reinstall batteries into any/all sensor(s) first. Press a paper clip or pin into Reset hole in the battery compartment
4: Finally, reinstall the batteries into the main unit. Press a paper clip or pin into Reset hole in the battery compartment.
The units should re-sync immediately, however, it may take up to 10 minutes for the units to completely synchronize."

The key for me was to remove the batteries from the main unit as well as the UV sensor. So it is once again working. Overall, I still think this is overpriced, but if you have an OS weather station and want to add UV Index, this unit works ok.
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An add-on for the WMR200. Mine worked well for a year before failing without warning. The little red light flashes to say its transmitting but the base station just keeps reading zero UV. On the forums eg [...] I find this is not unusual, and like mine the failure is out of the guarantee period. I will have to buy another but it has to be considered an expensive "disposable".
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Verified Purchase
I had no trouble getting the UV sensor working. However, I'm not sure how acurate it is. It never seems to go above 5 on a bright sunny day. The sensor is facing straight up and pointing south, so it see plenty of sunshine. Time will tell if it improves.
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I bought this for my WMR100A works well most of the time. Sometimes she is a pill to get working. I use this in the garden so I keep safe. But also this doubles as a sunlight recorder. How intence and how many hours we get in the garden. When hooked up to a computer the UV readings record every update, But every now and then expect to see the signal drop this puts gaps into the data. I han't owned it for a year yet, according to other reviews saying it doesn't last over a year Well I'l cross my fingers.
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Verified Purchase
The Oregon Scientific UVN800 ultraviolet index sensor was amongst the first things I bought after having purchased their Oregon Scientific WMR100 Professional Wireless Weather Station. Unfortunately, this device leaves a bit to be desired.

First of all, this thing is quite expensive for what it does... it's a glorified light sensor. It simply detects the amount of UV light from the sun and sends the result as an integer estimate to the main console. It's also a bit odd why Oregon Scientific didn't just include this device with the weather station in the first place, instead of leaving you with missing functionality right out of the box. That being said, after setting up my weather station I soon found it to be a necessary purchase in order to complete the package. After the pain of spending more cash was aside, it was relatively easy to install the batteries and mount the UV sensor to a post using the included bracket (a ground stake is also included for placing in your yard). About every 73 seconds, according to the manual, the UV sensor takes a reading and sends it to the console.

Now for the bad. Like I have found most of Oregon Scientific's weather instruments to be, this UV sensor is not incredibly durable. After having the device for not quite one year, surviving just one mild Washington State summer and winter, the sensor failed. It simply quit sending a reading to the main unit. After a long chat with customer service, we declared it to be dead, and Oregon Scientific sent me a new one (as of three months it is still working).
Read more ›
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By Ed on October 4, 2010
Verified Purchase
This works fine (for now), but it is a rather expensive disposable UVI weather sensor. My first UVN800 lasted a little over one year before it just died. I'm hoping this one will maybe get me 2 years! ...., just know what you're in for when you buy this.
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Verified Purchase
I like it. I haven't had no problems with it. Been very great with signel picking up my weather station. As well as tell UX index. Soo I rate it as good on 5. Better put this out in open away from shadows of trees or other thing that block out the sun. It's good.
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Verified Purchase
Works fine and appears acuarate,have read other reviews and some state it wont move off 1 for a daily uv rating mine has reached 5 on some days and will get higher as we approach summer.good product along with my wmr200a oregon scientific weather station.
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