Specification intended for assessment relative air humidity and temperaturemeasurement in the whole collection between 0 to 100 % rhtemperature resistant from, 70 to, 180 c contingent upon the type of probe pressure resistant up to 100 bar depending on the type of probe robust metal case, Protection type ip 65outstanding accuracy and stabilitygraphic trend display and measured value history for the previous yeartraceability to nistalso available with calculation and display of humidity threshold / wet bulb, Absolute humidity temperature, Frost point temperature,, Volume concentration, Mixing ratioenthalpy, Water saturated and differential, Vapor pressure temperatureapplications for measurements in complex industrial applicationsfor measurements under rough operating conditions