The PosiTector® DPM II measures and records climatic parameters including relative humidity, air temperature, surface temperature, dew-point temperature and difference between surface and dew-point temperatures.

Paul N. Gardner Co., Inc.: The PosiTector® DPM II measures and records climatic parameters including relative humidity, air temperature, surface temperature, dew-point temperature and difference between surface and dew-point temperatures. It has a graphics LCD with multilingual support that charts all five parameters for quick analysis.
 
Call 800/762.2478.