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VOSCA Corporation
Perpetual Alarm Clock Module with Blue Backlight





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Item Number.:
51E-A0JZ-DXRB
Product Name:
Perpetual Alarm Clock Module with Blue Backlight
Description:
VOSCA CORPORATION not only provides competitive prices, excellent quality but also helps customers to solve technical problems, improve quality, reduce extra costs, and assist customers to become more competitive.

As a professional digital clock, timer, thermometer, and hygrometer supplier, we can also offer customized modules with special control pole, timers with constant period to countdown, meters to measure or indicate lifespan of filter, cartridge, and etc.

This model is a perpetual alarm clock module with blue backlight, 24-hr version, 4 daily alarms, and low voltage detector. Designed for full function test. Good for client to evaluate all available features, so that eliminating unnecessary features to save cost is possible.
Backlight available in other colors, such as amber, yellow, green, or white colors. 12-hour version is available too. Double AAA (UM4) battery holder is mounted on the back for testing purpose only. Due to LED consuming power to high, suggest to connect power source externally. The requested power is 3.3 VDC. Backlight On/Off is controlled by IC. Depress of any button will activate the backlight. A "Back-light" key is available to turn on backlight steady. Alarm output poles are available upon request. Possible to select individual pole for each alarm output or single pole for all alarms output.

Alarm output available in PSEA (Power Saving Endless Alert) endless alert, or regular one minute alarm.
Features:
  1. Physical Size
    • PCB Size: 70 x 60 mm
    • Plastic Frame: 58 x 40 mm
    • Thickness: 10 mm (battery not included )
  2. LCD Display
    • Screen Size: 49.3 x 22.3 mm
    • Number of Digit: 4 digits
    • Digit Height: about 16.00 mm
  3. Button: tact s/w, max. 5 keys, i.e., 1) Mode, 2) Set, 3) Adjust, 4) Lock, 5) Back-light; 3 keys at least
  4. Power Source: +3.3 VDC,
  5. Low voltage detection at 2.40 VDC
  6. Technical Data
    • Operating Voltage: +1.80 ~ + 3.80 volts
    • Typical Current Drain
      1. Normal display mode: 20μA in normal condition, 30μA when low voltage detector engaged, and 56mA when amber back-light engaged
      2. Alarm mode: 400 μA without backlit; 115 mA with amber backlit
    • Operation Temperature: -10 ~ +50 °C
    • Storage Temperature: -20 ~ +60 °C
    • Output Options
      1. 4K Hzs audible alarm for 1 minute
      2. Power Saving Endless (Perpetual) Alert circuit (called PSEA circuit), beep 3 times for every minute, never stop until “Mode” key depressed
      3. Selection of level or pulse output
      4. Output Amplitude: 1.5 VDC
      5. For pulse output, selection of pulse interval, 1 sec, 2 sec, 4 sec, or 8 sec
      6. Selection of single pole or individual pole
Specification:
  • Regular clock: hour, and minute
  • 4 channels daily alarm, optional to choose 1, 2, 3, or 4 channels
  • Both 24-hour and 12-hour version available
  • LED back-lit is available in color of amber, white, green, or blue
  • Low voltage detection
  • Back-light turn on for 10 seconds when any of Mode, Set, Adjust, or Mode/Adjust key depressed
  • Key tone
  • Key lock
  • Back-light turn on when alarm goes off
:

Digital Clock, Countdown Timer, AC On/Off Programmable Timer, and Thermometer

 
 
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