H-B DURAC® 4-Channel Electronic Timer & Clock with Certificate of Calibration Clocks Timers Lab Maintenance Manufacturing & Quality Control This 4-channel timer counts up to 99 hours, 59 minutes, and 59 seconds or switches to a 12- or 24-hour clock.
H-B DURAC® Digital Stopwatches Clocks Timers Lab Maintenance Manufacturing & Quality Control This electronic stopwatch includes a calendar, a clock, and an alarm.
H-B DURAC® Single Channel Electronic Timer with Memory & Clock & Certificate of Calibration Clocks Timers Lab Maintenance Manufacturing & Quality Control This single-channel electronic timer has a clock and last-time-set memory.