Starting at $135.00 Starting at $121.50
  • Usually ships in 3-5 business days



  • 5 to 95%RH
  • 32 to 122°F
  • -4 to 122°F td (Testo 605-H1)
  • 14 to 122°F Tw (Testo 605-H2)


The Testo 605 is the humidity stick you can bend. The stick is small, compact and accurate. The long-term stable sensor guarantees correct results even after years of use.

The Testo 605 humidity measurement stick is available in two models; dew point calculation °F td or psychrometric wet bulb temperature calculation °F Tw. The humidity sensor is unaffected by water and protected by a rotatable protection cap. The meter can be attached to a pocket with the pocket clip and features a flexible joint and auto off function.