This is a 99 minutes 59 seconds countdown timer. with 4 digits. The digit height is 16 mm. Four tact switches with 5 mm height are mounted on the front lower side. The "start and stop" switch at the left hand side, then the settings of minute and second, and then the "reset" at the most right hand side. Different kinds of output poles deliver various signals for user comprehensive applications, such as power on/off control of electrical device, security device control, automatically alarm system activation. Many other versions are available. Please ask.
Operated with 1.5 VDC, an UM4 (AAA) battery holder is mounted on the rear side of module. Physical sized as 70 x 40 x 7 mm, with 4 of 2.3 mm mounting holes at the PCB corner.
This module has 6 output poles with different signals delivered for comprehensive applications. For details please refer to the specification attached.
We are not only providing professional Countdown Clock, Countdown Timer and Event Countdown Clock, but also offer high quality Countdown Timer Module.
Capacity: 99 minutes 59 seconds
Resolution: 1 second
Setting Interval: 1 hour (minimum)
PCB Size: 70 x 40 mm
Plastic Frame: 58 x 40 mm
Thickness: 7 mm (battery not included )
Screen Size: 49.3 x 22.3 mm
Number of Digit: 4 digits
Digit Height: about 16.00 mm
Button: tact s/w; 3 to 4 keys on the front
Power Source: +1.5 VDC, use one piece of UM4 (AAA); battery holder mounted but battery not included
Operating Voltage: +1.20 ~ + 1.70 volts
Typical Current Drain: 3 μA in normal condition; 400 μA during beeping
Operation Temperature: -10 ~ +50 °C
Storage Temperature: -20 ~ +60 °C
Aural Alert Methods
Regular audible alert for 1 minute at 4 K Hz
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 is depressed
B1 Pole - Repeat 0.5 sec ON and 2.5 sec OFF for 6 times, then wait for 10 seconds and repeat again; never stop unless the "Stop" button depressed
B2 Pole - After countdown to zero, repeat 1 sec ON, 1 sec OFF for one minute
B3 Pole - Level, 1.5 VDC for 1 minute after timer countdown to zero
B4 Pole - To select power ON start countdown (application details upon request)