Price: $2.81

    HDS05, the dew sensor, is a kind of switching-mode element and only sensitive to high-humidity, working under DC. It's used to protect equipments from dew because its high precision and quick response.

Technical Specification

  • Working voltage: 0.8V DC(Max)
  • Working temperature range: 0-100Celsius
  • Working relative humidity range: 0-100%RH
  • Resistance: 75%RH, 10K ohm(average)
  • 93%RH, 100K ohm(average)
  • 95%RH, 200K ohm(min)


  • Small, light, High sensitivity under high-humidity circumstance
  • Switching function
  • Quick response * Anti-pollution
  • Excellent reliability and stability