Clocks and Counters

HYGROMETER WITH CLOCK

Large digits provide ease in reading Water-resistant NIST Traceable® Certificate supplied Accuracy of 0.001% Jumbo digit stopwatch times to 24 hours.

Students will learn the mechanisms and reactions involved in one type of clock reaction and understand how a clock reaction may provide insight into reaction kinetics. After assembling, performing, and obtaining data from several clock reactions

Clock feature count up or down to 24 hours 59 minutes 4 timer channels Stands up or attaches to a magnetic surface (magnets on back of unit) Whiteboard and marking pen included Sounds when time expires Batteries included (2 AAA) Legal Information

Counts up and down Resolution: 1 second accuracy: 0.01% Extra-large, 1/2&quot high LCD Timer counts to 23 hours, 59 minutes, 59 seconds.

Ideal for bench use LCD designed for viewing at any angle NIST Traceable® certificate supplied Easy to operate Extra-large keys Accurate to 0.01% Timer counts down from 24 hours to 1 second in second increments.

PANEL METER RECTANG HOUR

QUARTZ CRUCIBLE 100ML 1 EA

QUARTZ CRUCIBLE 50ML 1 EA

Accuracy: 0.001% Resolution: 1 second Timing capacity: 9 hours Timing functions include single-action, time in/out, continuous timing, cumulative split, interval split, 60 memories and repetitive programmable.

Symmetry C18 Intelligent Speed (IS) Column, 100Å, 5 µm, 2.1 mm X 20 mm, 1/pk

Symmetry C18 Intelligent Speed (IS) Column, 100Å, 5 µm, 3.9 mm X 20 mm, 1/pk