Traceable® 300 Memory All Function Stopwatch

  • Three-line display simultaneously shows running time, cumulative-split, and interval-split
  • Features: water-resistant, 300 memories, count up/down, repetitive programmable countdown alarm, alarm, clock
  • Stopwatch functions: single-action, time in/out, continuous timing, cumulative split, interval split
  • Unit recalls 300 memories and displays sample numbers 1 through 300
  • Interval split shows longest, shortest and average times


# Channels/zones 1
Timing Capacity 9 hours, 59 minutes, 59 seconds, 99 hundredths
Timing Accuracy 0.001% accuracy
Timing Resolution .01 second
Additional Functions Time-out/Time-in, Continuous Timing, Cumulative Split, Interval Split, Memories, Sample Counter
Memory Y (300)
Count Up/Count Down Countdown I (repeat), Countdown II, Count Up
Dimensions 3″x2-1/2″x7/8″
Weight 2-1/2 ounces
A/C Plug (Y/N) N
Traceable Y
Supplied With battery, lanyard, detachable clip, Traceable® Certificate



Stopwatch times to 9 hours, 59 minutes, 59 seconds, 99 hundredths. Resolution is 1/100 of a second and accuracy is 0.001%.

Three-line display simultaneously shows running time, cumulative-split, and interval-split. Can recall up to 300 memories both during and after event timing. Provides repeat functions of countdown alarm timing. Set it to count down at any time from 10 hours to 1 second. When zero is reached, the timer alarms and begins to count down again from the programmed time. This repeat cycle continues automatically until stopped. Display always shows running time remaining to zero and cycles counted from 1 to 300. Features also include functions of pacer, stroke, and speed calculations. As a chronograph, the unit displays time of day in hours, minutes, and seconds, AM/PM, date, and day of the week. It also has a time-of-day alarm.


Water-resistant, O-ring-sealed, and shock-resistant ABS plastic case has non-skid rubber sides—ideal for lab and plant use.


An individually-numbered Traceable® Certificate provided with each unit, assures accuracy from our ISO/IEC 17025:2005 (1750.01) calibration laboratory accredited by A2LA.  It indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMI) that are signatories to the CIPM Mutual Recognition Agreement.


Traceable® Certificate, battery, hook and loop tape for vertical mounting anywhere, lanyard, and detachable clip for clipping on notebooks or clipboards

Additional information

Weight 0.15 lbs

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