Triplett HSW50 Heat Stress Stopwatch with WBGT (Wet Bulb Globe Temperature) Meter, Stroke Frequency Counter, and Certificate of Calibration to NIST

The Triplett HSW50 Heat Stress Stopwatch is ideal for monitoring WBGT levels in hot environments for worker safety, sports, and outdoor activities.It features a 3-line clear display for stopwatch, time, and calendar, WBGT (Wet-Bulb Globe Temperature) monitoring with alert, 1/100-second stopwatch that measures up to 10 hours, Lap and Split Time Recording with fastest/slowest/average lap record tracking, and 2-interval countdown timer repeatable up to 999 times. Additional functions include Stroke Frequency Counter for pace tracking adjustable between 10 to 320 paces, settable daily alarm, and auto-off LCD display to save the battery. Water resistant for outdoor and sports use. Includes Lanyard and CR2450 battery.

• 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
• Heat Stress & WBGT Monitoring: Accurately monitor Wet-Bulb Globe Temperature (WBGT) with alert functions to ensure safety in hot environments—ideal for worker protection, sports, and outdoor activities
• Easy-to-Read 3-Line Display: Clearly view stopwatch, time, and calendar simultaneously with the 3-line LCD; features auto-off function to conserve battery life
• Advanced Stopwatch & Timer Functions: 1/100-second precision stopwatch measures up to 10 hours; includes Lap and Split Time Recording with tracking for fastest, slowest, and average laps, plus a 2-interval countdown timer repeatable up to 999 times
• Stroke Frequency & Pacer Function: Stroke Frequency Counter helps monitor pace with adjustable settings from 10 to 320 paces, supporting effective performance tracking during training