Relative Humidity Testing

Get an accurate reading of moisture conditions deep within a material — typically a concrete slab. These meters give contractors a complete idea of the actual moisture conditions within a slab so that they can know if the concrete is ready for use. 

WHY USE A RELATIVE HUMIDITY METER? By Paul Laurenzi, Delmhorst Instrument Co. (Article)

 Equipment to test relative humidity including ASTM F2170 testing.