STW25-NIST

STW25-NIST is a digital stopwatch / clock / calendar. STW25 stopwatch has a timing capacity of 23hrs, 59mins, 59.99sec and an accuracy of ±2sec/day. It features 3 stopwatch modes (Elapsed Timer, Split Time, Two Competitor Timer), 1/100th second resolution, 12/24 hour clock format and a tally counter (up to 3999). Built-in calendar displays year, month, date, and day and a backlight (5 seconds) for viewing at night or in dimly lit areas.

• Basic accuracy of ±2sec/day
• 1 second resolution up to 40 hours
• Tally counter counts up to 3999
• Calendar displays year, month, date, day
• Backlight turns off after 5 seconds
• Water resistant housing (IP54)
• Dimension is 3.2 x 2.4 x 0.9” (82 x 62 x 22mm)
• Certificate of traceability to NIST standards 

Contents

Stopwatch, CR2032 battery, 51" (1.3m) lanyard.