Bel-Art Products H-B DURAC Single Channel Electronic Timer with Triple Alarms and Certificate of Calibration p/n 617003600

CHOICE OF VIBRATION SOUND AND/OR LIGHT ALARMS MAKES THIS TIMER PERFECT FOR HIGH NOISE LOCATIONS. UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" SWITCHABLE TIMING CAPACITY 19 HOURS 59 MINUTES / 99 MINUTES 59 SECONDS COUNT DIRECTION UP/DOWN; DISPLAYS ELAPSED TIME AFTER COUNTDOWN LAST TIME SET MEMORY VIBRATION LIGHT AND LOUD BUZZER SOUND ALARMS CAN FUNCTION AT ONE TIME OR BE INDEPENDENTLY TURNED OFF KEY PRESS CONFIRMATION FEATURE GIVES AN AUDIBLE INDICATION OF DATA ENTRY LAY FLAT ON A BENCH USE THE FLIP-OPEN STAND FOR A VERTICAL VIEW CARRY IT ON A LAB COAT WITH THE CONVENIENT POCKET CLIP OR USE THE MAGNETIC BACK FOR METAL SURFACE ATTACHMENT REQUIRES TWO AAA BATTERIES (INCLUDED) FEATURES A CERTIFICATE OF CALIBRATION AND INDIVIDUAL SERIAL NUMBER THESE ELECTRONIC TIMERS ARE TESTED AND CALIBRATED IN H-B'S EXCLUSIVE TRIPLE ACCREDITED/REGISTERED ISO/IEC 170252017 A2LA ACCREDITED LABORATORY (CERT #2448.01) AGAINST EQUIPMENT WHOSE CALIBRATION IS TRACEABLE TO NIST. CEMARKED ROHS COMPLIANT