Sper Scientific 810005C White Large Display Timer, NIST Certificate of Calibration
Easy-to-Read, Large Display Timer
Features the largest display available on a timer: 3 x 2-1/2". Can be easily read from across a room. Simultaneously displays either one count up channel and a clock, or two count down channels. All channels have a range of 24 hours with 1 second resolution. Also indicates how much time has elapsed after a count down alarm sounds and conveniently recalls the last timer setting for reuse. White case has extra large start/stop button and a loud alarm. Wall mount or fold for bench top use. Runs for approximately 2 years on one AAA battery (included). N.I.S.T. traceable certificate of compliance available.
Dimensions: 5 x 3¾ x ½"
Weight: 6.7 oz
Comes with a NIST certificate of calibration. The NIST certificate specifies that the standards against which the product has been certified or calibrated were themselves calibrated by the National Institute of Standards and Technology (N.I.S.T.), or with N.I.S.T. calibrated equipment under conditions specified by N.I.S.T.