La Crosse WT-5432U Atomic Projection Alarm Clock

  
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La Crosse WT-5432U Atomic Projection Alarm Clock
with Wireless Indoor/Outdoor Thermometer & Weather Forecaster


Radio Controlled Atomic clock Wireless Thermometer Displays Remote Temperature Digital Thermometer Displays Indoor Temperature Atomic Alarm Clock Displays Time Wireless Indoor Outdoor Thermometer Displays Outdoor Temperature Atomic Alarm Clock Displays Date Barometer Based Weather Forecaster Displays Weather Forecast Atomic Alarm Clock Displays Day Of Week Digital Thermometer Selectable for Fahrenheit or Celsius
For definitions of the feature icons, please click any icon.

The La Crosse WT-5432U Atomic Projection Alarm Clock calibrates itself to the world's most accurate clock every night by receiving WWVB radio transmissions. These transmissions contain time information from the U.S. atomic clock source, operated by the U.S. Commerce Department near Boulder, Colorado. The built-in antenna ensures reliable signal reception up to 2000 miles (3200km) from the WWVB transmitter.

La Crosse WT-5432U Atomic Projection Alarm Clock
Click to Enlarge


Titanium in color, the WT-5432U atomic clock features gracefully rounded styling accents. Its LCD display shows time of day, date, time zone, indoor and outdoor  temperature (selectable), and a weather-forecast icon with tendency arrow. The atomic clock's weather-forecasting feature senses barometric pressure over time and adjusts the indicator icons and tendency arrows to provide accurate forecasts for the next 12 to 24 hours based on pressure trends.

The time and outdoor temperature are projected, although not simultaneously, on the wall or ceiling. This clock has dual alarm settings with adjustable snooze. A TX6U remote transmitter for outdoor temperature reporting is included with the clock. Designed for table or shelf placement, the atomic clock can be powered from the included ac adapter or optionally from three AA batteries.


Features:

  • Atomic clock accurate to 1 second per million years
  • Sets automatically to WWVB radio signal (manual setting is also possible)
  • 12/24 hour time display (hour, minute, second)
  • Calendar display (day, month, date)
  • Three projection modes: time only, outdoor temperature only, or alternating between the two
  • Projection is continuous with ac powering
  • Projection is initiated via pushbutton and 3 seconds in duration with battery powering (pushbutton projection is also available with ac powering)
  • Projection auto-focusing for display from 3 to 6 feet away; maximum projection distance is 6 feet (2 meters)
  • Projected display can be rotated 360 in 90 increments for proper viewing
  • Projector case rotates 180 to further orient the projected display
  • Three different intensity settings for projected display, plus an "off" setting. With battery powering, "off" is the only option; the intensity is not adjustable and the projection is via pushbutton (not continuous).
  • Dual alarm settings with adjustable snooze function
  • Time zone setting (13 available) with map display for U.S. time zones
  • Daylight saving time ON/OFF option
  • Indoor temperature display in either F or C
  • Outdoor temperature display (via 433 MHz transmission) in either F or C
  • Three weather-forecast icons (sunny, partly cloudy, and rainy) with tendency arrows
  • Electro-luminescent backlight for LCD display (2-second duration)
  • Integral base for table/shelf/desktop placement
  • Clock powered by ac adapter (included) or by three AA 1.5V alkaline batteries, with normal life of about 1 year
  • Remote wall-mount temperature transmitter powered by two AAA 1.5V alkaline batteries, with normal life of about 1 year

Specifications:

  • Indoor temperature measuring range:
    41 to 140F with 0.2F resolution
    (5 to 60C with 0.1C resolution)
  • Outdoor temperature measuring range:
    -21.8 to 157.8F with 0.2F resolution
    (-29.9 to 69.9C with 0.1C resolution)
  • Temperature checking intervals:
    Indoor: every 10 seconds
    Outdoor: every 5 minutes
  • Transmission distance:
    maximum 82 feet (25 meters)
  • Clock dimensions:
    5.07 inches (12.9 cm) wide
    3.66 inches (9.3 cm) high
    2.0 inches (5.1 cm) deep (including base)
  • LCD display dimensions:
    2.5 inches (6.35 cm) wide
    1.5 inches (3.8 cm) high
    Time number height: 0.75 inch (1.9 cm)
  • Remote transmitter dimensions:
    1.625 inches (41 mm) wide
    5.5 inches (138 mm) high
    1 inch (25.4 mm) deep
  • Power source (for clock):
    AC adapter (included):
    120Vac, 60Hz input
    6Vdc, 100mA output
    Optional: three 1.5V AA alkaline batteries

The La Crosse Technology WT5432 Radio Controlled Atomic Projection Alarm Clock with Forecast Display:

The La Crosse Technology Radio Controlled Projection Alarm Clock with Forecast (and temperature) Display maintains its incredible accuracy by automatically tuning into the WWVB radio signal. The built-in antenna ensures reliable signal reception up to 2000 miles (3200km) from the WWVB transmitter. As a result, the La Crosse Technology atomic clock will calibrate to the atomic clock not only throughout the mainland U.S. but also in much of Canada. You need only insert the batteries, wait until the signal is received, and program the desired additional settings. In locations outside of WWVB range, the LaCrosse atomic clock can be manually set and will provide the high degree of accuracy of any quality quartz clock.

In a nutshell, here's how the the La Crosse atomic clock works: The clock's antenna is specifically tuned for optimal reception of the 60 kHz time signal. The time signal received on the antenna is demodulated by an onboard receiver, which sends the information to the clock's CMOS microprocessor for decoding. Once your atomic clock has automatically set its time for the first time, it ensures continuing accuracy by automatically tuning into the WWVB radio signal once per day at midnight. As long as your clock is kept within transmitter range, it will continue to display the absolutely precise time, automatically adjusting for summer time/winter time changeovers if the daylight savings time option is ON. Should you move your clock out of transmitter range for an extended period of time, the clock will continue to operate as a highly accurate quartz-controlled clock. Upon re-entering the transmitter range, your clock will correct itself again to the precise WWVB time signal.

Radio-controlled Time:

The NIST (National Institute of Standards and Technology, Time and Frequency Division) maintains a radio station, WWVB, in Ft. Collins, Colorado. The WWVB radio station derives its signal from the NIST atomic clock in Boulder, Colorado. A team of atomic physicists is continually measuring every second of every day, to an accuracy of ten billionths of a second per day. These physicists have created an international standard, measuring a second as 9,192,631,770 vibrations of a Cesium-133 atom in a vacuum.

WWVB (the stations identification just like any other radio station) continuously broadcasts time and frequency signals at 60 kHz. The carrier frequency provides a stable frequency reference traceable to the national standard. There are no voice announcements on the station, but a time code is synchronized with the 60 kHz carrier and is broadcast continuously at a rate of 1 bit per second using pulse width modulation. The time code contains the year, day of year, hour, minute, second, and flags that indicate the status of Daylight Saving Time, leap years, and leap seconds.


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lacrwt5432Regular price: $69.95Sale price: $39.95, 2/$79.00, 5/$195.00, 10/$385.00

La Crosse TX6U Remote Sensor/TransmitterLa Crosse TX6U Remote Sensor/Transmitter
The La Crosse TX6U is the more common remote temperature only sensor for the La Crosse Technology weather instruments. The La Crosse Technology TX6U does not have a display of its own. The TX6U uses 2 AA batteries, and is excellent for use for extended periods of operation in cold temperatures. In harsh climates, the alkaline batteries in the TX6U may be replaced with Lithium batteries for extended low temperature operation.

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Availability: Exact quantity available will be displayed in the shopping cart, after you click the button below.

lacrtx6uRegular price: $22.95Sale price: $19.95, 2/$38.00

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