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Technical content

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 Application Note

HS30P Humidity Sensor Specifications Figure 1 : Typical Sensitive Characterists 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 %RH (Unit : Kohm)

HS30P Humidity Sensor Specifications Figure 2 : Typical Response 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)

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.

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