Application Note Humidity Sensor HS30P Characteristics of Humidity Sensor Part name : Humidity sensor Type name : HS-30P Storage temperature : -20~70 C Storage humidity : 20~90 %RH (Without condensation) Operating humidity range : 20~90 %RH (Do not let it have dewdrops) Operating temperature range : -20~60 C Rated working voltage : AC 1 V (50Hz~1KHz) Rated power : 0.3 mW Nominal impedance value : 55 k ( 25C, 50%RH) Tolerance on impedance value : Min 32.3k / Max 99.7 k Typical sensitive characteristics : shown in Figure 1 Typical response characteristics : shown in Figure 2 Dimensions : shown in Figure 3 Reliability (Impedance value change as relative humidity at 25C, 50%RH) - Dry heat storage : <5 %RH ( 70C, 1000 hr.) - Cold storage : <5 %RH (-25C, 1000 hr.) - Damp heat storage : <5 %RH ( 60C5C, 90~95%RH, 1000 hr.) - Heat cycle test : <5 %RH (-25C~70C, 500 cycles) - Low humidity storage : <5 %RH ( 25C, 20 %RH, 1000 hr.) Amphenol Advanced SensorsHS30P Humidity Sensor Specifications Figure 1 : Typical Sensitive Characterists (Unit : Kohm) %RH 30 40 50 60 70 80 90 C 11300 1980 460 138 48 17.8 4.5 5 3380 620 155 51 19.5 8 3.4 15 1020 215 62 22 8.6 3.6 1.6 25 360 83 27 9.9 4.2 1.9 0.9 35 150 36 12.9 5.2 2.3 1.1 0.5 45 2