Control Company 1042 Traceable Waterproof/Shockproof Stopwatch

O-Ring-Sealed And Shock-Proof Abs Plastic Case Is Ideal For Lab And Plant Use. Unit Is Water-Resistant To Three Atmospheres. Tactile-Feel, Click Switches Provide A Positive Action. To Assure Accuracy An Individually Serial-Numbered Traceable Certificate Is Provided From Control Company Iso 17025 Calibration Laboratory Accredited By A2La. It Indicates Traceability To Standards Provided By Nist (National Institute Of Standards And Technology). As A Chronograph, The Unit Displays Time Of Day In Hours, Minutes, And Seconds, Am/Pm Date, And Day Of The Week. Also Has A Time-Of-Day Alarm. Digits Are 1/4-Inch-High. Supplied Complete With 2-Year Always-On Battery And Lanyard. Replacement Battery Cat. Number 350-18940.