SEAWATCH UV Index Watch:

JDC's Seawatch is a fully functional watch, with a UV sensor on the front. Simply wear the watch when doing your favorite outdoor activity, and an alarm will sound if the UV index reaches a dangerous level.
AVAILABLE AT WWW.JDC.CH
SEAWATCH
 
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SEAWATCH UV watch is easy to use:

The UV sensor is on the front of the watch, just below the LCD. Expose this sensor the sun, in particular during the peak times of UV radiation, 11:00 am to 2:00 pm. Adjust the face of the watch slightly until the highest number is reached (the direction of the sun must be perpendicular to the UV sensor for most accurate readings).

It will adjust the reading every ten seconds. The bar graph at the top will show at a glance the level of UV radiation. More bars is a higher level, also moving into the different color bands as shown on the color graph to the right.

The Seawatch also has several normal watch modes, such as time, date, calendar, alarms and timers.

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SEAWATCH FEATURES:
  • EL backlight
  • Weatherproof (can be submerged 6 feet)
  • Replaceable Lithium battery (included and installed)
  • One year warranty
Why UV is Important:

  • The Global Solar UV Index, or UVI, is a simple measure of the UV radiation level at the Earth's surface. It has been designed to encourage people to protect themselves. The values of the Index range from zero upward and the higher the Index value, the greater the potential for damage to the skin and eye, and the less time it takes for damage to occur.

    Everyone is exposed to ultraviolet (UV) radiation from the sun. Small amounts of UV radiation are beneficial to people, and play an essential role in the production of vitamin D. However, overexposure to UV radiation is responsible for two major public health problems: skin cancer and cataracts. To learn more about the damaging effects of overexposure to UV rays and how you can prevent them, please visit the
    US government's EPA website.

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    SPECIFICATIONS:

    UVI (Index) Time Chronograph Countdown Timer
    Units UVI 12/24 mode Hours, minutes, seconds Hours, minutes, seconds
    Range 0 to 15 (bar segments)
    0 to 25 (numerical)    		 1/100 second to 10 hours 24 hours to 1 second
    Resolution 0.1 unit 1 second 1/100 second 1 second
    Precision +/- 1 UVI unit
    Measuring cycle First five minutes: every 2 seconds
    After five minutes: every ten seconds
    while in UV mode

    *****DETAILS*****

    ULTRA-VIOLET INDEX (UVI):

    • UVI is measured in several modes
    • Bar chart at top shows graphically the UVI
    • Numeric reading of UVI shows resolution to 0.1 unit
    • Alarms can be set for warning of high UVI
    • Calibration is usually not necessary, but can be performed (must have access to professional grade UV monitor)
    • UVI is affected by time of day, cloud cover, and position of the sun in relation to the earth
    • UVI can drastically change within a short distance
    • UVI as reported in newspapers and Television is often a forecasted UVI, not based on real-time data

    TIME:

    • Current time is displayed in 12- or 24-hour mode.
    • Perpetual calendar from year 2000 to 2099
    • Month, day, day of week and year are displayed

    DAILY ALARM:

    • 1 daily alarm can be set

    CHRONOGRAPH:

    • Elapsed time and lap time (1 lap only)
    • Range to 9 hours, 59 minutes, 59.99 seconds
    • 1/100 second resolution

    TIMER:

    • Countdown timer
    • Setting limit of 23 hours, 59 minutes, and 59 seconds
    • Sounds one beep at the 5,4,3,2, and 1 seconds
    • Sounds series of beeps at 0 second
    JDC Electronic USA
    P.O. Box 284
    Holmen, WI 54636
    ph: 608.498.4021
    fax: 608.531.2608

    JDC Electronic SA, Switzerland
    Rue des Uttins
    1400 Yverdon-les-Bains
    41-24-445-21-21 (phone)
    41-24-445-21-23 (fax)
    www.jdc.ch