LED Digital Clocks

Digital LED Timers

LED Stopwatch Timers

LED Digital Count Down Then Count Up Timers

Looking for a Countdown Timer that counts UP after zero, indicating negative time? You found it!

count down then up timer

count up after count down timer

We listen carefully to our customers, and among the special requests we have received over the years, a timer which can count up after zero is among the most popular inquiries. The CK-320 and CK-39 have this capability. Once a countdown time has been reached, and the display reaches 00:00:00, these timers will start counting up! This feature is very useful for science, medical, and industrial applications where negative time needs to be monitored. These timers are accurate, reliable, and easy to use.

MODEL CK-320 : Large LED Display Size: 2.25 inches

MODEL CK-39 : Small LED Display Size: 0.56 inches

Highly readable six digit red LED display shows Hours, Minutes, and Seconds.

Count Down mode displays time remaining - essential for many applications.

Count Up Timer Mode displays elapsed time

Maximum timing capability: 99 Hours

MODEL CK-320 : A wired and ultra reliable Remote Control is included. It features buttons for setting Hours, Minutes, and Seconds time set, Stop-Start, Timer Reset, and Timer Clear. Easy to use! See the photo below.

MODEL CK-39 : Buttons located on the case top for setting Hours, Minutes, and Seconds time set, Stop-Start, Timer Reset, and Timer Clear. A toggle switch chooses between count up or count down mode. See photo below.

U.L. listed 9 VAC wall adapter included

9 Volt battery back up keeps accurate time during power interruptions. Never miss a second!

Audible & Visual Alarms: The timer beeps and the LED display flashes for ten seconds at the end of a timing cycle, while continuing to count up after 00:00:00. The beep alarm may also be turned off for silent timer operation.

MODEL CK-320 : Durable white plastic case; clear red acrylic and black ABS front panel. Size: 15.0 x 6.0 x 2.0 inches. Weight: Only 2.0 lbs. - Lightweight and Portable!

MODEL CK-39 : Precision molded ABS plastic enclosure. Size: 5.0 x 1.5 x 5.25 inches. Sits nicely on any desk or table without taking up much space.



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Five Year Warranty

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Designed and Assembled in USA

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A heavy duty remote control is also available for the CK-320 Digital Timer. It is recommended for constant daily use. Please contact us for more information.

Digital Clocks and Timer List

CK-1 LED Digital Desk Clock : 0.56 Inch LED display. Hours - Minutes - Seconds, 12 or 24 hour clock.

CK-1000 LED Digital Wall Clock : 2.3 Inch LED display. Hours - Minutes - Seconds, 12 or 24 hour clock.

CK-2 Time Zone Clock : 0.560 Inch dual LED display, six digits.

CK-3 Desk Count Up / Countdown Timer : 0.56 Inch LED Display, Six Digits.

CK-36 Desk Count Up Timer : 0.56 inch LED display - counts Hours, Minutes, and Seconds.

CK-350 Large Digital Count Up Timer : 2.3 Inch LED Display, Six Digits.

CK-4000 Large Stopwatch Timer : 2.3 Inch Display: Minutes, Seconds, & Hundredths of Seconds.

CK-5000 Event Countdown Wall Clock : 1.75 inch Display shows DAYS, Hours, Minutes, & Seconds.

CK-6 Digital Day Counting Clock : 0.56 inch Display shows DAYS, Hours, & Minutes.

CK-46 Stopwatch Lab Timer : 0.56 inch LED Display with Minutes, Seconds, & Hundredths of Seconds.

CK-2000 Dual Time Zone Wall Clock : Displays local time and UTC in a compact wall mount display.

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