Temperature Measuring range see products information Accuracy <0. 3 centi (at 25centi) Sensor pt100 Humidity Measuring range 0~100% rh Accuracy <2% rh (at 25centi, 40% rh~60% rh) Sensor s108 humidity capacitor Stability better than 1% rh per year Output signal 4~20ma (equal to measuring range) Power supply 12~24v DC Housing abs Storage -40~ + 70centi 0 ~95% rh (without condensation) Dimension of probe dia15*222 (mm)