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 kΩ ( 25°C, 50%RH) • Tolerance on impedance value : Min 32.3kΩ / Max 99.7 kΩ • 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 25°C, 50%RH) - Dry heat storage : <±5 %RH ( 70°C, 1000 hr.) - Cold storage : <±5 %RH (-25°C, 1000 hr.) - Damp heat storage : <±5 %RH ( 60°C±5°C, 90~95%RH, 1000 hr.) - Heat cycle test : <±5 %RH (-25°C~70°C, 500 cycles) - Low humidity storage : <±5 %RH ( 25°C, 20 %RH, 1000 hr.) Amphenol Advanced Sensors HS30P Humidity Sensor Specifications Figure 1 : Typical Sensitive Characterists (Unit : Kohm) %RH 30 40 50 60 70 80 90 5 11300 1980 460 138 48 17.8 4.5 15 3380 620 155 51 19.5 8 3.4 25 1020 215 62 22 8.6 3.6 1.6 35 360 83 27 9.9 4.2 1.9 0.9 45 150 36 12.9 5.2 2.3 1.1 0.5 °C 2 HS30P Humidity Sensor Specifications Figure 2 : Typical Response Recommended Handling Practices: • Use only within specified conditions. • Do not disassemble or change any parts. • Do not touch sensor element. • Do not apply any direct current to the sensor. • Do not touch the film and the surface of the sensor. • In use and stock, freezing, dust, mist, oil, alcohol, corrosive gases or any other dirty/anomalous ambient may cause degradation of the sensor’s characteristics. • Protect the sensor film from flux/fume and high temperature during the soldering. • Do not put sensor in water. Figure 3 : Dimensions (Unit : mm) No Part Name Material 1 Humidity Sensor HS-30P 2 Filter Mesh 3 Lead PBR 4 Case Polypropylene (Color : White) 3 Amphenol Advanced Sensors www.amphenol-sensors.com © 2015 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice. AAS-930-172A - 10/2015