Triplett STW25 Digital Stopwatch with Built-in Clock and Calendar and Certificate of Calibration to NIST

The Triplett Model STW25 Stopwatch has a timing capacity of 23 hrs, 59 mins, 59.99 sec and an accuracy of ±2 sec/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. Includes CR2032 battery and 51" (1.3m) lanyard.

• Certificate of Calibration from the National Institute of Standards and Technology (NIST) to achieve the highest possible levels of measurement quality; Calibration can take 11-15 business days before shipment
• 3 Modes: Elapsed Timer, Split Time, and Two Competitor Timer; Tally counter counts up to 3999
• Timing capacity: 23 hrs, 59 mins, 59.99 sec; Basic accuracy: ±2 sec/day
• 1/100th second resolution for 40 minutes; 1 second resolution up to 40 hours; 12/24 hour clock format; Calendar displays year, month, date, day
• Backlight turns off after 5 seconds; Water resistant housing (IP54)