http://www.dintelligent.com/oregon-scientific-weather-stations/
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Oregon Scientific BAR800 Slim Wireless Weather Station Brand NEW |  |
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US $71.12 | 4d 5h 41m |
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Oregon Scientific - EW93 Weather Station Atomic Clock | |
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US $35.87 | 25d 4h 23m |
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Oregon Scientific BAR208HGA Advanced Weather Station with Atomic Time | |
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US $53.25 | 3d 20h 11m |
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oregon scientific weather stations
Weather reading question?
I've recently bought an oregon scientific weather station with an outdoor sensor. From what I understand, these things get weather and humidity readings by measuring barometric pressure, so does the fact that I live on the 10th floor mean I will get different readings from other areas?
Regarding the temperature and humidity readings, these are not related to the barometric pressure measurement - they are completely independent, and will indicate the conditions as they exist at the place where the sensors are without any connection with the pressure measurement.
The same is also true of the barometric pressure measurement - it will measure the pressure at the point where the sensor is.
The atmospheric pressure varies with height, and near sea level the rate of change is 0.12 hPa/m (1hPa - 1millibar). Estimating your height above the ground to be something like 35m, this means that the pressure will rise by something like 4hPa if you take the instrument down to ground level and measure the pressure there. Of course a much more important cause of variation of pressure will be whether you live on a hill or halfway up a mountain.
You should think about what you want your barometer to do. If you want it to measure the air pressure at your location then these variations are exactly what you would expect. You can check that it is accurate by comparing it side-by-side with a Fortin's barometer (mercury column type).
But if you want to compare your measurements with those of others, or of the Met Office you should adjust your barometer so that it indicates the equivalent pressure at sea level. The way to do this is to get a weather report for your town from the net and adjust your barometer so that it agrees with the most up-to-date report for your area.
Actually none of this might be of much significance, since the important variations from a weather point of view are the rate of change of pressure with time (barometer rising and falling) and the general comparison of the present pressure with the maximum and minimum for your location, measured over a year, say. Neither of these requires a precise absolute calibration.
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|
Oregon Scientific BAR800 Slim Wireless Weather Station Brand NEW | |
|
US $71.12 | 4d 5h 41m |
|
Oregon Scientific - EW93 Weather Station Atomic Clock | |
|
US $35.87 | 25d 4h 23m |
|
Oregon Scientific BAR208HGA Advanced Weather Station with Atomic Time | |
|
US $53.25 | 3d 20h 11m |
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No items matching your keywords were found.
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Reactor World Time Digital Men's - 30 Preset Tides - Black Rubber Strap $200 The HEAVY WATER re-writes the book on the ultimate timepiece for ocean adventures. The exceptional design of the stainless steel air-flow case keeps everything comfortable by allowing moisture to evaporate from under the watch. This World Tide model features 30 preset and five programmable locations. Matte Finished Stainless Steel Case Unique "Air Flow" Case Design Digital Display 30 Preset Tide locations programmed until the year 2099 and 5 Customizable World Tide Locations (See Below) Air and Water Temperature Sensor Countdown Heat Timer Multiple Alarms Chronograph Month, Day, Date, Year Unidirectional Rotating Bezel Solid, Forged 316L Stainless Steel Case and Caseback; Extra hard, marine-grade stainless steel permits fine finishing and resists corosion. Caseback is made to provide a superior fit, increased strength and water resistance. Secure screwed-on integrated genuine rubber strap Extra Thick Hardened Mineral Glass Lens; This K1-Hardened Mineral Crystal combines exceptional scratch resistance with unmatched shatter resistance. Electro Luminescent Backlight offers visibility for low-light, night-time and diving visibility Shock Resistant Movement Holder; A special casing helps to protect the already Shock Resistant Japanese Quartz Movement from severe impacts. Square Profile Caseback Seal; Having more surface area than the typical O-Ring seal, this provides a significantly superior water-tight seal. Comes encapsulated in a protective standing metal case and is revealed by rotating the outer case half. The watch comes with an extra-long genuine rubber strap to accomodate a wet-suit with buckle clasp Water Resistant to 200 Meters (660 Feet) 39.6mm Case Width (Approximately 1 1/2") not including the crown 18.4mm Case Thickness (Approximately 3/4") Weight: 119 Grams #R {color:d3d3d3; font-family:arial; font-size:12} World Tide Graph Locations Bodega Bay, CA Santa Cruz Pt., CA Rincon, CA San Clemente, CA San Diego, CA Pensacola, FL Virginia Beach, VA Cape Hatteras, NC Sebastian Inlet, FL San Juan, PR Recife, Brazil Rio de Janiero, Brazil Cap Ferret, France Corpus Christi, TX Durban, South Africa Reunion Island, I.O. Colombo, Sri Lanka Bali, Indonesia Gold Coast, Australia Sydney, Australia Sendai, Japan Enoshima, Japan Miyazaki, Japan Hilo, Hawaii Lahaina, Maui Honolulu, Oahu Hanapepe Bay, Kauai Cabo San Lucas, Mexico Puerto Escondidi, Mexico Dominical, Costa Rica Tide watches are not intended to be used for navigation purposes. Local NOAA tide charts should be used when accurate tide information is necessary. The tide formula used in this watch is intended to predict “relatively” accurate tidal flow information, and its accuracy may vary by location, time of year and weather condition. |
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Casio G-Shock Riseman - Solar, 6 Band Atomic, Altimeter, Barometer, Thermometer $159 The new Casio G-Shock RISEMAN, released by Casio America is the world’s first watch to feature the Multi-Band 6 Atomic Timekeeping Technology. Along with solar-powered technology, the Multi-Band 6 Atomic Timekeeping feature enables the watch to receive time calibration radio signals from six transmitters worldwide — one in the US, two in Japan, and one each in China, Germany and the UK. For superior display accuracy, the signals are received up to six times a day. Inspired by those who challenge high altitudes, the RISEMAN features twin sensors for both pressure and temperature in a shock-resistant case. This new G-SHOCK watch is equipped to measure altitude, barometric pressure as well as air temperature. Also, the RISEMAN features a full range of measurement functions, and boasts a unique three-layer protection structure to protect and enclose the pressure sensor. “The RISEMAN is a perfect example of Casio G-SHOCK’s commitment to both function and technology,”. “Casio G-Shock has been and always will be consummate innovators. We are pleased to be the first to introduce the Multi-Band 6 Atomic Timekeeping technology to the marketplace.” Always on the cutting edge, Casio has improved the sensor-based measurement system. The RISEMAN’s altimeter can record measurements using both the stopwatch and the altimeter simultaneously. This versatile feature can capture recorded time along with changes in altitude, elapsed time, total ascent and descent altitude, and highest and lowest altitude. Capable of measuring altitude at five-second intervals, the watch is able to handle altitude changes over very short intervals of time, a useful function for sports enthusiasts involved in rock climbing, mountain biking, and back country skiing. With the mountain-based athletes in mind, the RISEMAN possesses a smooth back to reduce the gap between the watch and the wrist for a comfortable fit, while the band configuration prevents sweat from gathering. Additionally, the dragon has been chosen as the RISEMAN’s back emblem for its mythical ability to fly by manipulating the weather. Construction: Shock resistance Water resistance: 200 meters Radio frequencies: WWVB (USA): 60 kHz, JJY (Japan): 40 kHz (Fukushima) / 60 kHz (Kyushu), MSF (UK): 60 kHz, DCF77 (Germany): 77.5kHz, BPC (China): 68.5kHz Radio wave reception: Automatic reception (maximum 6 times per day) and manual reception options Barometer: Display range: 260hPa - 1,100hPa (7.65 to 32.45 inHg), atmospheric pressure tendency graph (past 24 hours graph display), atmospheric pressure differential graphic (arrows displaying the latest trends in atmospheric pressure) Altimeter: Display range: -700m – 10,000m (-2,300 to 32,800 ft.), cumulative altitude memory (memory works together with the stopwatch to record elapsed time, cumulative ascent and descent altitudes, highest and lowest altitude recorded); manual altitude memory (up to a maximum of 20 memory sets, with each set recording the altitud |
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El Royer, Oregon Scientific - WMR200A
What is the cause of a haywire wind chill reading on Oregon Scientific's MSN Regional Weather Station (801)
Everything works great except the wind chill reading has been off 81 degrees from the day I set it up. It reads 101 when it should be 20. Is the wind chill converted by the unit itself or is it part of the information transmitted by the MSN Direct Signal.
Well, check the manual of usage. That might be sth wrong there.
Hi, JT here. I recently received a Projection Alarm Clock as a gift and thought that it was just the coolest thing ever. I've started giving them to friends and thought I'd do a little research and put a site together about Projection Clocks and Atomic Clocks. I hope you enjoy!