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VOSCA Corporation
Yearly Countdown Timer with Perpetual Alert

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Yearly Countdown Timer with Perpetual Alert
The timer module is a yearly countdown timer with perpetual alert. People may use it to install in their equipment to count the lifetime of cartridge, filter, UV lamp, or any of its lifetime is a year. Press single key to initiate the countdown from 365 days immediately. This is a perpetual dual-alert, audible and visual, timer when time up:

---- Perpetual Visual Alert: Full LCD screen blinking always
---- Audible Alert: So called PSEA (Power Saving Endless Alert) or perpetual alarm, with significant power saving during audible alarm goes off; beep 6 times then wait for 10 seconds and repeat again. Never stop, unless the button is depressed for next cycle countdown.

The LCD display pattern on chronometer module changes automatically to appropriate format during counting process as: DD:HH --> HH:MM --> MM:SS. 1 second is the minimum resolution when countdown under one hour.

This timer module is sized as 35 mm x 18.4 mm with 10.1 mm as thickness. A piece of LR44 battery is installed at rear side. Piezo buzzer with coil is connected at the rear side too.

Press the single button to initiate the digital timer to countdown from 365 days immediately.
Counting Time Interval: programmed at 365 days
Resolution: 1 second when countdown under 1 hour

  1. Physical Size
    • Plastic Frame - 35 x 18.4 mm
    • Module Thickness - 4.3 mm without battery;10.1 mm including battery
  2. LCD
    • Screen - 20 x 10.92 mm
    • Number of Digit - 4
    • Digit Height - 7.0 mm
    • Screen format automatically changed to the most appropriate one
  3. Button: single, to setback to 365 days and countdown
  4. Electrical Specification:
    • Power Source - 1.50 volts, 1 pc of LR44 or external connection
    • Operating Voltage - +1.20 ~ + 1.70 volts
    • Current Drain - less than 3 μA
    • Operation Temperature - -10 ~ +50 ℃
    • Storage Temperature - -20 ~ +60 ℃
  5. Alert Method
    • PSEA (power saving endless alert) perpetual alert
  6. Output Pole: Open collector, upon request
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