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20T-A0H-HM

99 Hours 59 Minutes countdown timer module

Product Descriptions
This timer module has 99 hours 59 minutes countdown capacity, with 1 second resolution, and 1 minute of minimum setting interval.

It is sized as 35 x 18.4 mm with 10.1 mm thickness. LCD screen size is 20 x 10.92 mm with 4 rubber soft buttons for hour set, minute set, start/stop/recall, and screen reset. When time's up, the piezo buzzer goes off for one minute normally. The emphasized volume of piezo alarm sound can reach to more than 80 dB.

As people know the most important feature for a timer is to reminding people the time is up effectively. But keep activating alarm system wastes too much power, especially for battery operated device. Therefore a so called PSEA (power saving endless alert) alert method is developed for low power consumption. This unique feature is available upon request. Normally the module provides one minute alert.

If required, this module can work as a timer switch. It can provides open collector output pole to allow people manipulate other electrical power operated device.

Relevant Information