Cole Parmer Traceable 5045 Clip-On Digital Timer 1-Channel 100h NIST Lab Timer

VWR 89087-398 Traceable Giant-Digit Digital Laboratory Timer OPEN BOX TESTED

VWR 62344-902 Traceable Digital Laboratory Timer OPEN BOX TESTED

Excursion-Trac Datalogging Traceable 6453 Barometer 0 to 65 C (No Battery Cover)

Lot of 7 Traceable 5026 Digital Laboratory Timers VWR Countdown Count Up

VWR 89094-760 Portable Traceable Hygrometer/Thermometer/Barometer Data Logger

VWR Traceable Numbers Digital, Radio-controlled Wall Clock Date Time Display

VWR Traceable 4-Channel Digital Timer Clock Laboratory Timer Tested Working