Timers Stopwatches & Clocks

Extech&rsquos STW515, digital stopwatch and clock, features a 12- or 24-hour clock format and programmable alarm with hourly chime. It also includes three Stopwatch Modes: Elapsed Timer, Split Time, and TwoCompetitor Timer.

Sporty colorful yellow stopwatch with large LCD Stopwatch counts up to 23 hours 59 min, 59 seconds accurate to ±3 seconds/day Stopwatch/Chronograph mode with 1/100sec resolution Accumulated elapsed time and split time measurements Accurately times a

Calibrated timer developed with busy clinics and clinical labs in mind Always ready on your benchtop with 3 channels available for tracking simultaneous timing events Mess-free, germ-free timer is designed for stability on the bench with

Display 7/8 to 00.00 Press &ldquomin&rdquo and &ldquoset&rdquo together to reset Press &ldquostart/stop&rdquo to start and again to stop Press any key to stop alarm &ldquoRecall&rdquo feature returns automatically to preset time Displays up

Large Display Indicates time elapsed after count down reaches zero Has a stand, pocket clip, and a magnet N.I.S.T. traceable certificate of compliance available: 1225A17

4 Timers in 1 4 possible programs 2 Functions: Timer (H-M-S) Clock 12/24 Hours Jumbo display With magnet In box- with multilingual instructions

A bright flashing yellow LED visual alarm or an audible alarm Will flash or sound continuously for weeks until shut off Counts time elapsed after the alarm N.I.S.T. traceable certificate of compliance available: 1225A44

Numeric keypad allows for fast programming Counts up or down for 99 minutes (810024R) or 100 hours (810026R) in intervals of 1 second N.I.S.T. traceable certificate of compliance available: 1225A21 and 1225A25

¾ inch high digits Easily portable Warning alarms sound at 3 and 5 minutes prior Records elapsed time following the alarm N.I.S.T. traceable certificate of compliance available: 1225A46

Easily read from across a room Simultaneously displays either one count up channel and a clock, or two count down channels Extra large start/stop button and a loud alarm Wall mount

4 channels can be set independently but started simultaneously Loud alarm N.I.S.T. traceable certificate of compliance available: 1225A27

Eliminate the need to continually visually check time remaining Audible count-down can be heard throughout the lab Useful for work in low light N.I.S.T. traceable certificate of compliance available: 1225A34