Kestrel K5200 Professional Environmental Meter (0852HVG)Whether you’re pouring concrete, balancing HVAC systems, or monitoring jobsite conditions, the Kestrel 5200 Professional Environmental Meter takes the calculations and guesswork out of your job with integrated specialty calculations. No more guessing or using inaccurate data from miles away.The 5200’s NEW Concrete Target Evaporation Rate Solver allows user to adjust calculator for varying weather conditions and displays the risk of plastic shrinkage cracking for each scenario — enabling contractors to determine the appropriate set of precautionary steps that will result in a successful pour.