Thorlabs - CDLT4 4-Channel Digital Lab Timer and Stopwatch

Thorlabs - CDLT4 4-Channel Digital Lab Timer and Stopwatch

810015 - Laboratory Timer, 4 Channel, with Memory, 100 Hour Range

Digital Timers, Laboratory Timers, Stop Watch

Lab Alert 4 Way Timer with Whiteboard and Pen

810015 - Laboratory Timer, 4 Channel, with Memory, 100 Hour Range

Digital Timers, Laboratory Timers, Stop Watch

Cooper-Atkins TFS4 Large Multi-Station Digital Timer

Control Company 5014 Traceable® Extra-Extra-Loud Laboratory

Large 3/4 easy-to-read display. Extra-loud high decibel alarm. Use as a Count-Down Timer, Stopwatch, or Clock. Timing range is 99-Hours,

Timer, 4-Channel Count-Down - NIST Traceable Calibration

VWR® Traceable® Four-Channel Alarm Timer with Clock