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Are the solar batteries available on their own?
No they are not. If you''re having trouble with this battery you will want to make sure it has had direct sunlight. If this does not correct the problem please contact customer care at (800) 853-8883.
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Can I connect the WM918 weather station via USB?
Belkin offers a serial-to-USB converter. You can purchase it online at http://www.belkin.com/
With this converter, you should be able to connect the weather station to your PC via USB.
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Can I leave the unit out during the cold winter months?
You will want to either bring the sensor indoors and store it for the winter, or be sure to cover it tightly with plastic so that no water can enter the gauge during freezing temperatures.
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Can I lengthen the cables?
Cables could be lengthened, but there is a limitation due to the signal strength. Please use CAT5 and route in conduit for long installations. The telephone extension wire off a portable reel is ideal, as it is intended for crimp connections. Single core wire will work, but is less reliable for long term use.
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Can I mount the outdoor unit on an existing pole?
Yes. Detailed instructions to setup the integrated wind sensor on an existing pole can be found on page 5 of the User Manual or page 1 of the Quick Start Guide.
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Customer's Unit is not receiving a signal, how can I fix?
Check http://www.msndirect.com/coverage using customer’s zip code. Place the unit in an upper level of their home near a window. Press the IN/REG key to re-scan for the signal. The user should wait at least 10 minutes to see if the signal is retrieved. Please check the MSN Direct web client to see whether the signal in their given area is down.
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Does this unit have an atomic clock?
Although the manual does make note of "How to deactivate the atomic signal" this unit does not have the atomic clock function. The clock will need to be manually set.
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How accurate is the data?
The information comes directly from a weather.com feed for that regional area; any questions about the accuracy of the data should be directed to weather.com.
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How do changes in barometric pressure relate to weather forecasts?
As a general rule, high or rising barometric pressure means dry/sunny weather, while low or falling barometric pressure indicates wet/cloudy weather.
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How do I calculate the dew point from the outside temperature and humidity if the temperature is below 0 degrees Celcius?
The formula for dew point calculation can be found at:
http://www.faqs.org./faqs/meteorology/temp-dewpoint/
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How do I clear the HI/LOW Relative Humidity Alarm setting on my WM918 weather station?
To clear an alarm, please select HUMIDITY mode on the display and press the ALARM button until the HI/LOW alarm setting appears on the display. When HI/LOW alarm setting is displayed, press the CLEAR button. The display will show ------, and the alarm will be cleared.
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How do I clear the rainfall totals and reset the since date?
Press the mode button to select the "UV/Barometer/Rainfall" LCD area. Press and hold the MEMORY button to reset the accumulated rainfall to '0' and to set the timestamp to current date and time. These instructions can be found on page 11 of the User Manual.
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How do I ensure that the UVI measurement is accurate?
After you press “UV”, the sensor will measure continuously for 4 seconds. Be sure to rotate the unit by 360◦ while the sensor is reading to provide a more exact measurement.
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How do I install the wind direction arrow properly?
Turn the Shaft until 180 degrees appears next to the bearing on the monitor. This shows the wind direction. Align the wind vane''s tail with the bar. The tail of the arrow would face the base of the anemometer. The tip away from the anemometer. Then carefully press the wind vane down onto the shaft. Do not allow the shaft to turn as you press the wind vane down onto it. Use a small Philips screwdriver to tighten the screw on the base of the wind vane. Then insert one of the supplied rubber screw covers into the screw''s hole to protect the screw from corrosion.
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How do I know what my skin type is?
Please refer to manual for the table.
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How do I reset the rain totals?
This may be the result of some minor interference. First you will need to open the outdoor rain collector by removing the two set screws on the sides. Then you will see the battery compartment that has 8 more screws that you will need to remove. Once the compartment is open, then you will need to be sure that you have pulled the clear piece of plastic out of the batteries so that they connect. Next you will need to make sure that the indoor & outdoor units are at least 10 feet away from each other. Then you will need to press the reset button in the outdoor unit. (It can be found in the battery compartment directly to the left of the batteries. It is a hole that you will need to use a small stylist to press.) Once you have reset that unit, then go back to the indoor unit, and press the reset button on the back of it. They will search for each other, and the unit should stop blinking within the first 5 minutes.
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How do I select the best S.A.M.E. county code when there are more than one code for my county?
In areas of dense population there could be more than one NOAA transmission tower serving that county. The best way to determine which code (tower) has the strongest signal is to experiment. Program the NOAA Weather Radio with the different codes and then listen to the broadcast quality. Select the code with the clearest reception.
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How do I turn off the voice messages?
Press the NOAA button and select either “Radio Mute” or “Radio OFF” modes.
NOTE: Leaving the radio in “NOAA On” mode will consume substantially more power. To save power, it is recommended that the unit be on “NOAA Standby” mode when the user is not listening to radio broadcasts.
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How do the temperature and humidity sensors work?
The temperature and humidity sensors use resistance/capacitance (R-C) oscillators. When temperature or humidity changes, the resistance and frequency of the sensor changes. The microcontroller in the sensor counts the frequency, and then sends the signal to the main display.
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How do you change the day of the week?
Rather then changing the day of the week we will need to change the year. When you go through the time, and date setting you will see either 00, or 2000. Once this is flashing you will need to change it to 05, or 2005. This will automatically adjust the day of the week.
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How do you stop the audible Ice Alert function
For instructions on how to disable the freeze alarm, Click Here.
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How does it work?
The UV Monitor tracks the current UV index and temperature, and calculates your recommended exposure time based on UV, SPF and your personal skin type.
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How does MSN Direct work with this product?
MSN Direct receives weather data from weather.com, which is then translated into data and transmitted from FM towers in 130 metropolitan areas throughout the US and Canada. These signals are received by the WMS801 /802 and are shown on the LCD as regional weather information for that specific metropolitan area.
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How does the rain gauge work?
The rain gauge collects rain into the pivot-point of a two-sided "bucket." When one side fills, it pivots down, causing the "bucket-tip" to be recorded, emptying the bucket and bringing the empty side under the collection point.
Each bucket-tip occurs when 0.04 inches (1 mm) of rain has been collected. After at least two bucket tips, software calculates rainfall in inches/hour.
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How does the rain gauge work?
The rain gauge collects rain onto the pivot-point of a two-sided "bucket." When one side fills, it pivots down, causing the "bucket-tip" to be recorded, emptying the bucket and bringing the empty side under the collection point. Each bucket-tip occurs when 0.04 inches (1 mm) of rain has been collected. After at least two bucket tips, software calculates rainfall in inches/hour.
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How Does This Product Work?
NOAA Weather Radio All Hazards transmitters broadcast on one of seven VHF frequencies from 162.400 MHz to 162.550 MHz. The broadcasts cannot be heard on a simple AM/FM radio receiver, but only on special receivers such as this unit.
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How I can preserve battery life when not using my WR102 radio?
When the unit is in monitor mode, push the NOAA button two times. This will turn off the radio while saving the programming and clock functions.
Oregon Scientific encourages you to use a power supply when the radio is activated and monitoring, since weak batteries will cause intermittent failures in detecting event signals (even if the audio sounds fine). For this reason you should always have new batteries in the unit--and don''t forge to bring spare batteries when hiking, boating, etc.
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How is the WM918 weather station powered?
The WM918 weather station is powered by an AC power adapter. In case of power outage, the unit also uses 8 x AAA alkaline batteries for backup.
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How long are the cables for the WM918?
Each outdoor sensor’s connection cable is 30 feet long, so each instrument must be mounted within 30 feet of the connection box. The interconnect cable between the main display and connection box is 10 feet long. The serial cable supplied by Ambient software is 9 feet, so the display unit should be placed indoors within 9 feet of your PC.
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How long are the temperature probe cables on models EMR913, NAW881 and EM899?
The temperature probe cables are 12 feet.
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How long can the solar transmitter operate without needing direct sunlight or drawing power from the backup batteries?
The solar transmitter can store enough energy to operate approximately 24 hours without needing energy from direct sunlight or backup batteries.
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How much sunlight is needed to power transmissions?
The solar panel needs 6 hours of peak sun per day for normal transmission.
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How often does the system get updated measurements from the remote sensor?
Measurements differ for each remote sensor and are as follows:
Rain gauge (RGR) – 47 sec
Baro-thermo-hygrometer (BTHR968) – 38 sec
Outside temp. sensor (THGR968) – 37 sec
Anemometer (WGR968) – 14 sec
Channel 3 – 43 sec
Channel 2 – 41 sec
Channel 1 – 39 sec
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How often does the system get updated measurements from the remote sensor?
Measurements differ for each remote sensor:
RGR (Rain gauge) – 47 sec
BTHR968 (Baro-thermo-hygrometer) – 38 sec
THGR968 (Outside temp. sensor) – 37 sec
WGR968 (Anemometer) – 14 sec
THGR268 (Channel 3) – 43 sec
Channel 2 – 41 sec
Channel 1 – 39 sec
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How should I position my solar panels to receive maximum sunlight?
Positioning is critical for solar panels to achieve maximum sunlight (and therefore the best possible charge).
First, position the panels due south in an uncovered area.
Next, attempt to adjust the the angle. To do this, consider that if the stations were positioned at the equator, ideally they would point straight up, at 90 degrees. Based on this, you can subtract your current latitude from 90 degrees to get the best angle.
Lastly, adjust for the seasons. Since the sun is lower and days are shorter in the winter, subtract 20 degrees to maximize available sunlight. During the summer, add 20 degrees.
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I''m not receiving the signal from one of my sensors?
First you will need to be sure you have the main display at least 10 feet from the sensor in question, and just as far from any major electronics. Then you will go to the sensor, and change the batteries. While the sensor is open you will also press the reset button on the back of the sensor. Once the sensor has been reset then go to the main console, and hold both Channel, and MEM on the display for 5 seconds. This will send the main console into search mode for the recently reset sensor.
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Is the THWR288A pool thermometer compatible with my WMR100? If not, will there be a pool thermometer for the WMR100?
No. The THWR288A is not compatible with the WMR100. There are no plans to offer a pool thermometer compatible with the WMR100.
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Is this product waterproof?
No. It is splash-resistant.
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My barometric pressure sensor BHTR968 shows 29.09 inches Hg, while the local airport pressure registers 29.86. My elevation is 500 feet above sea level. Why are these measurements different?
BHTR968 barometer reads the station pressure for your house elevation (500 ft), while the airport’s barometer shows the pressure for the airport elevation. The difference in elevations causes different barometric pressure readings. Your display reading is correct.
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My rain gauge does not tip equally or measure properly. How can I calibrate the rain gauge to resolve any inconsistencies or inaccuracies?
The buckets, or trough, can be calibrated by adjusting the screws located directly below the trough. To access the calibration screws, you will need to remove the outer cover on the rain gauge. To do this, remove the screws on the lower portion of the cover and pull the cover off.
Once this cover is removed, you will see the trough, and two white, plastic screws below the trough. The balance of the trough can be adjusted by raising and lowering these screws.
When testing for even tipping of the trough, count the number of drops that is needed on each side of the trough before it tips. Once an even number is required on each side, the unit will be calibrated.
Even with equal bucket/trough tipping, tipping that occurs too soon or too late will lead to inaccurate measurements. To correct this, you must calibrate the gauge height.
The area of the collection funnel is 78.54 square centimeters, which means that 1cm of rainfall equals 78.54 cc of collected water. Since each tip of the bucket is equal to 1mm of rainfall, each bucketful should be 7.854 cc.
Here are some conversions to help:
7.854cc (ml) = 1mm rain = .04in rain
250ml = 31.83mm rain = 1.25in rain
500ml = 63.66mm rain = 2.51in rain
1l = 127.32mm rain = 5.01in rain
1 cup = 236.588 ml
1 qt = 946.353 l
1 cup = 1.19in rain = 30.12mm rain
2 cups = 2.37in rain = 60.25mm rain
1 qt = 4.74in rain = 120.49mm rain
or:
1 inch rainfall == 199.5 ml - close to 200 ml
1. Find out if the gauge is accurate mechanically. Regardless of whether the bucket-tips are equal or not, feed it enough "rain" (at least the equivalent of 1 inch) so that any unequal bucket tips average out. Don't pour the water in too quickly, because overflow compromises accuracy.
2A. If the rain gauge mechanics are accurate but the bucket-tips are uneven, equalize the bucket-tips by adjusting one up and the other down. Go to step 3.
2B. If the rain gauge mechanics are high or low – that is, if one of the buckets tips sooner or later than the other – adjust the offset bucket to match the other. Go to step 3.
2C. If the rain gauge mechanics are inaccurate, but the bucket-tips are equal, adjust the buckets to tip sooner or later, each by the same amount.
3. Once the bucket-tips are equal, check for accuracy (step #1) and re-calibrate if necessary (step 2C).
Perform these steps with the funnel in place.
Some tips for perfectionists:
The most accurate way to equalize the buckets is to count the number of drops of water it takes to tip each bucket. To do this, find a small container or hollow object (small test tube) that fills the buckets to near-tipping, then count the drops needed to complete the tipping. For the "high-volume" accuracy tests, fill each bucket with your container then use a squeeze-type squirt bottle to bring it to tipping. Do not squirt directly into the collection hole because the force of the stream may cause the bucket to tip prematurely.
Finally, be aware that since the unit measures in metric units then converts to inches, there will be slight variances in measured amounts. For example, the unit will sometimes read 1.02 inches, which isn't even a multiple of 0.04.
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Some of the Oregon Scientific NOAA Weather Radios feature S.A.M.E. technology. What is S.A.M.E. technology?
S.A.M.E. stands for Specific Area Message Encoding. The NOAA Weather Radios that feature S.A.M.E. technology can be programmed to receive alerts and warnings for up to 7 specific counties within your reception range. For information about these county codes, including the codes themselves, visit NOAA at http://www.noaa.gov/
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The barometer readings on my WM918 weather station aren''t changing or updating.
The WM918 barometric pressure sensor measures up to a maximum of 6200 feet above sea level. If you are using the weather station in altitudes above this point, the barometer will not read accurately, or operate properly.
Please note that the WMR968 contains an improved barometric pressure sensor. This sensor is able to register pressure accurately up to 12,000
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The software says that it is a 30 day trial. Is this correct?
No. The newest version can be found at "http://www2.oregonscientific.com/assets/software/wmr100.exe". The WMR100.exe file is an executable zip file that contains the all the necessary files needed for installation. When running the software for the first time, you will be prompted to register the software. Please open the "Registration Number.txt" to retrieve the registration number, enter it, and enjoy.
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What Benefits Do Customers Get From This Product?
• Current UV level monitoring
• Exposure timer that uses UV, SPF and skin type to calculate recommended exposure time
• Current temperature monitoring
• Countdown timer
• Digital clock
• Velcro® strap for easy portability
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What causes high or low barometric pressure?
High barometric pressure occurs when air in the atmosphere presses downward. Low barometric pressure means the air is rising.
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What does the Air Quality Monitor measure?
The Air Quality Monitor measures the combination of all Volatile Organic Compound (VOC) gases inside the building.
Identification and measurement of individual VOCs is prohibitively expensive and time consuming.
The AR112C records Total Volatile Organic Compounds (TVOC) without distinguishing different chemicals.
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What does the bar graph on the display mean?
This is to show you the changes in Barometric pressure. This graph is mapping the ups, and downs in the pressure over the past 24 hours. The Horizontal is the hour 0 being current -24 being 24 hours ago. The Vertical is the change 0 being no change -1 dropping pressure +1 raising pressure.
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What frequency does the wireless Weather Station operate on?
The Wireless Weather Station communicated at 433 MHz.
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What is a barometer?
An instrument that measures atmospheric pressure. Two common barometers are the mercury barometer and the aneroid barometer.
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What is air (atmospheric) pressure?
It’s the pressure exerted by the weight of the air above a given point, usually expressed in millimeter bars (MB) or inches of mercury (HG).
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What is an air mass?
A large, horizontal body of air that has similar temperature and moisture characteristics.
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What is an altimeter?
An instrument that indicates the altitude of an object above a fixed level. Pressure altimeters use an aneroid barometer with a scale graduated in altitude instead of pressure.
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What is an anemometer?
An instrument that measures wind speed and wind direction.
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What is an atmosphere?
An envelope of gases that surrounds a planet and is held to it by the planet’s gravitation. The Earth’s atmosphere is mainly nitrogen and oxygen.
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What is MSN Direct?
MSN Direct is an information service that uses Microsoft’s SPOT (Smart Personal Objects Technology) Technology to send localized data over FM radio signals to compatible units.
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What is non-volatile flash memory?
The non-volatile flash memory enables the unit to store your settings in the event of a temporary power loss.
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What is relative humidity?
Relative humidity reflects the ACTUAL amount of water vapor in the air compared to the amount of water vapor the air could hold for that particular temperature and pressure.
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What is SAME?
When the NWR airs urgent warnings, a digital encoding system known as SAME (Specific Area Messaging Encoding) allows the public alert units to sound an alert for only certain weather conditions or within a limited geographic area such as a county. SAME technology filters out non-local emergency alerts, allowing you to monitor only local counties.
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What is the accuracy of the temperature, humidity, pressure, wind speed, direction, rain, dew point, weather forecaster, wind chill, and any other functions of the system?
Temperature + or - 2.5 Degrees F, Humidity + or - 5%
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What is the approximate battery life of each sensor?
Integrated Wind Sensor = 15 months, PCR800 = 36 months, THGR800/THGR810 = 21 months, UVN800 = 15 months
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What is the broadcast range for receiving NOAA Weather Radio alerts and warning signals?
Under ideal conditions, NOAA broadcasts a 40-mile radius from the transmission tower. As all radio signals, this range may be affected by electrical interference, radio/TV towers, microwave towers, steep mountains, or being in a deep valley.
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What is the difference between the WM918 and WMR968 models?
The WMR968 contains an improved barometric pressure sensor. This sensor is able to register pressure accurately up to 12,000 feet above sea level, whereas the WMR918''s barometer operates up to 6,200 feet above sea level.
The WMR968 also includes updated software that improves reception.
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What is the expected battery life for my WR102 handheld weather radio?
When in monitor mode, the batteries will last three to four days. It is recomended that for staionary use, the AC adapter is used to power the radio.
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What is the expected life of the batteries in my solar transmitter?
Depending on model, the solar transmitter may be powered by either lithium batteries or alkaline batteries.
For lithium batteries, the expected life is 20 months.
For alkaline batteries, the expected life is 10 months.
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What is the reception range?
Up to 50 miles (64km).
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What is the standard atmospheric pressure?
Standard atmospheric pressure is (in various forms of measurement):
1013.25 millimeter bars (mb)
29.92 inches of mercury (Hg)
760 millimeters of mercury (mm)
14.7 pounds per square inch (lb/in)
101,325 Pascal (Pa)
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What is the temperature accuracy for the WMR968?
Temperature accuracy many vary by plus or minus 2 degrees Farenheit.
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What is the transmission range between the sensors at the main unit?
330 feet, without any obstructions.
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What is the UV Index?
The UV Index provides a daily forecast of the expected risk of overexposure to the sun. The Index predicts UV intensity levels on a scale of 1 to 11+, where 1 indicates a low risk of overexposure and 11+ signifies an extreme risk.
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What kind of cable should I use for the PC connection?
A standard 9-pin serial cable should be used for PC communication. Use of a modem cable is not recommended.
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What measurement do I use to calculate solar radiation energy?
The total amount of solar radiation energy is expressed in hours of full sunlight per square meter or Peak Sun Hours.
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What SPF (Sun Protection Factor) value should I program into the unit?
The SPF range is between 1-70. Enter an SPF setting that corresponds to the SPF protection of the sunscreen product you are using.
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When I connect the weather station display to my PC, I receive incorrect rain and wind readings.
Please make sure that the weather station display and PC are grounded in the same location. To verify this, connect the AC adapter of the display to the same power strip used by the PC.
If the problem still persists, you may want to place a ferrite choke on the cable that connects the weather station display and PC. These can be purchased at most electronic hardware stores.
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When setting the time, and date there are a few letters at the end what do they mean? (E,I,S,F,D)
This are the language options. E for English, I for Italian, S for Spanish, F for French, and D for Dutch.
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Where can I find a power supply for my WR102?
Power supplies (7.5VDC, + to center pin) are available from your local electronics stores. Be sure to take the radio with you to get the right size plug and be absolutely sure that the center of the plug is + (positive) and the voltage is NOT OVER 7.5 volts, dc. The wrong polarity on the center pin and/or the wrong voltage could damage your receiver.
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Where can I find SAME codes?
You can obtain SAME codes by either calling 1-888-NWR-SAME (1-888-697-7263) or by visiting www.nws.noaa.gov/nwr/indexnw.htm.
NOTE: To ensure accurate reception of all NWR and EAS events, you must program the SAME codes and corresponding channels for your specific county or region. Please refer to manual for channel frequency information.
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Where can I purchase replacement parts for this unit?
There are other websites that will sell some or perhaps all available sensors and replacement parts for the WMR100. You can purchase also purchase all available replacement parts on the Oregon Scientific website at http://www2.oregonscientific.com. From the front page select the drop down menu titled Weather -> Wired & Weather Sensors.
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Where can the signal be received?
MSN Direct is available in the top 110 metropolitan areas in the US and Canada. To check whether a customer is in coverage, go to the following website and check based on zip code: http://www.msndirect.com/coverage
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Where do I get the advertised software for my computer?
The newest version can be found at "http://www2.oregonscientific.com/assets/software/wmr100.exe". The WMR100.exe file is an executable zip file that contains the all the necessary files needed for installation. When running the software for the first time, you will be prompted to register the software. Please open the "Registration Number.txt" to retrieve the registration number, enter it, and enjoy.
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Where is the barometric pressure sensor located for the WM918 Professional Weather station?
The barometric pressure sensor is located inside the main display unit.
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Why are the top two lines blinking on the indoor display?
This may be the result of some minor interference.
First you will need to open the outdoor rain collector by removing the two set screws on the sides. Then you will see the battery compartment that has 8 more screws that you will need to remove. Once the compartment is open, then you will need to be sure that you have pulled the clear piece of plastic out of the batteries so that they connect.
Next you will need to make sure that the indoor & outdoor units are at least 10 feet away from each other. Then you will need to press the reset button in the outdoor unit. (It can be found in the battery compartment directly to the left of the batteries. It is a hole that you will need to use a small stylist to press.) Once you have reset that unit, then go back to the indoor unit, and press the reset button on the back of it. They will search for each other, and the unit should stop blinking within the first 5 minutes.
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Why does my display show HH.H for the dew point?
Dew point will show HH.H when the outside temperature is higher than 133F or humidity is above 98%.
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Why does my display show HH.H when in the rainfall mode?
Possible reasons that this diplay may show HH.H when in rainfall mode are as follows:
1. Rainfall has exceeded more than 393.7 inches (exceeding the operating range).
2. Wind has caused excess water bucket impulses.
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Why does my display show LL.L for the dew point?
Dew point will show LL.L when the outside temperature is below 32F or humidity is lower than 2%.
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Why does the display always show rainy?
Be sure you''ve set the elevation on the display. Also know that the maximum elevation this unit will function up to will be 6,200 feet.
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Why does the display show negative digits when the temperature falls below 32 Degrees F?
This is a problem with the remote sensor. You will need to contact Customer Care at (800)-853-8883 for information on correcting this problem.
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Why does the station have two pressure readings?
One is station pressure (used to calculate changes in pressure) and , the other sea level pressure (the current pressure at your exact location). You would need to set the Sea Level Pressure. To do so see the following:
1. Please see www.weather.com to find your exact pressure.
2. Tap the Barometric window two times. (The word Sea Level will appear.)
3. Hold the Set button down until the Sear Level pressure begins to blink. Once blinking release the Set button.
4. Use the up, and down arrows to adjust the Sea Level Pressure to your current pressure.
5. When the pressure is correct then press the Set button again to confirm it''s setting.
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Why does the time keep setting to Pacific?
To change the time zone on your until you''ll first need to use either a your pinky finger, or an pencil eraser. Then follow the steps below:
1. Press, and hold your finger, or eraser on the clock icon in the time window. Press, and hold there until the letter P begins to flash to the right of the time. Once flashing then release the clock icon.
2. You''ll then need to press the up, and down arrows to change the letter P to the letter that coincides with your time zone. P for pacific, M for mountain, C for central, and E for eastern.
3. Once you get to the correct letter you''ll then need to press, and release the clock icon one more time. This will complete the time zone change.
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Will direct sunlight effect the outside temperature readings?
No. The new integrated wind sensor uses shields to protect the temperature sensor from solar radition and other sources of rediated and reflected heat.
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Will the Exposure Timer automatically update when the UV index has changed?
The monitor automatically measures the UV level every 10 minutes when the timer is set. If the UV index has increased, it will take into account of the new levels.
NOTE: The calculated exposure time is a suggestion only.
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Will this unit work with my current sensors from my WMR968\112A?
No. The WMR968\112A sensors (WGR968, RGR968, and THGR968) are not compatible with the WMR100. The latest sensor guide can be found at http://www2.oregonscientific.com/service/sensors/default.asp.
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