This Sper Scientific Stopwatch will count up or down to 20 hours in 1/100 second resolution and offers many advanced features for sports, laboratory and industrial use.

When decimal resolution is selected the timer can display results in increments of 1/1,000 of a minute or 1/100,000 of an hour as well as the usual 1/100 second mode. 500 memories of split and lap times.

The large 3 line display simultaneously shows total elapsed time, split time, current lap time, lap counter and indicates low battery. This Stopwatch also has a unique LCD contrast adjustment and touch tone selectable buttons. The sonically welded case insures excellent water resistance. Button cell battery included.

Features 5 timing modes:

• Stopwatch: Recalls split and lap times as well as the slowest, fastest & average laps.
  
• Timer: With 3 modes: count down and stop, count down and repeat, count down and then count up.
  
• Clock: Selectable for 12 or 24-hour format, with alarm clock, calendar and hourly chime modes.
  
• Stroke: Calculates average strokes, beats or pulses per minute based on the timing of 3 sample strokes.
  
• Pacer: Set from 5 to 240 beeps per minute.
  

Dimensions: 3¼” x 2½” x ¾”
Weight: 2.8 oz

*Certification Option
N.I.S.T. traceable Certificate of Calibration is available at an additional cost (select option above).