Plastic shrinkage cracks occurs when the surface of the concrete dries too quickly and shrinks before the bed has cured enough to resist cracking.
The Evaporation Rate meter allows you to enter the temperature of your concrete mix, then measure conditions at the site. The meter has the American Concrete Institute Evaporation Rate nomograph built in, and displays the Evaporation Rate on the screen with no calculations.
Tracker features easy to read backlit display, flip top impeller cover, multi-function three line display, minimum, maximum and average values, waterproof and five-year warranty. Includes protective drawstring pouch, neck lanyard, AA lithium battery (average life 400 hours), certificate of conformity and instruction manual. Made in the USA.