4XT-A0H-DH

Day & Hour countdown Timer Module

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.

Welcome OEM / ODM partners for cooperation.

This is a day & hour countdown timer module with solder pads at both edges of PCB for external connection of buttons, power, and output. Its maximum capacity is 99 days 23 hours. Auto change of display format provides proper reading of each countdown stage by using 4 digits only. 1 second resolution allow you read the details of countdown stage. The minimum setting interval is 1 hour.

Physical sized as 55 x 32 x 7 mm; 4 mounting holes with 2.3 mm of diameter at each corner. Operated with 1.5 V DC power. Low current drain, 3 μA typically.

Version List for Various Maximum Countdown Capacity:
  • 4XT-A0H-MS: 99M59S
  • 4XT-A0H-HM: 99H59M
  • 4XT-A0H-DH: 99D23H
  • 4XT-A0H-DD: 9999D
  • Also available in many versions (pls ask when needed)
  • Chronometer (up to 9999 days) available also
Specifications
  1. Capacity: 99 days 23 hours
  2. Resolution: 1 second ( display automatically changed to an appropriate formate)
  3. Setting Interval: 1 hour (minimum)
  4. Physical Size
    • PCB Size: 55 x 32 mm
    • Plastic Frame: 43 x 32 mm
    • Thickness: 7 mm (battery not included )
  5. LCD Display
    • Screen Size: 36 x 16 mm
    • Number of Digit: 4 digits
    • Digit Height: about 11.40 mm
  6. BButton: 3 to 4 keys, external connection, leave solder pads at the edge of PCB
  7. Power Source: +1.5VDC, external connection, leave solder pads at the edge of PCB
  8. Technical Data
    • Operating Voltage: +1.20 ~ + 1.70 volts
    • Typical Current Drain: 3 μA in normal condition; 400 μA at alarm mode
    • Operation Temperature: -10 ~ +50 °C
    • Storage Temperature: -20 ~ +60 °C
    • Output
      1. Audio alarm, 4 K Hzs for 1 minute
      2. Level, 1.5 VDC, 100μA, for 1 minute
      3. Power Saving Endless Alert circuit (called PSEA circuit), beep six times then wait for 10 seconds and repeat again. Never stop unless the “Stop"” key depressed
Features
Optional Features:
  • Count up after countdown
  • Power On start counting
  • Power Saving Endless Alert (PSEA)
  • 4K Hz endless alarm
  • Output poles with various signal for different application
Main Products
  • Digital Clock
  • Countdown Timer
  • AC On/Off Programmable Timer
  • Thermometer

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Day & Hour countdown Timer Module
As a professional digital clock, timer, thermometer, and hygrometer supplier, we can also offer customized modules with ...
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