Thermo Scientific™ 1464917 Traceable™ Four-Channel Countdown Alarm Digital Timer/Stopwatch with Memory Recall
Thermo Scientific™ 0666245 Traceable™ Lab-Top Timer
Thermo Scientific™ 0666246 Traceable™ Three-Line Alarm Timer
Thermo Scientific™ 1464958 Mechanical Timers
Thermo Scientific™ 066623 Traceable™ Triple-Display Timer
Thermo Scientific™ Traceable™ Lab-Top Timer
Timer: Counts down from 99 hours, 59 minutes, 59 seconds to 1 second. Stopwatch: Counts up from 1 second to 99 hours, 59 minutes, 59 seconds.