Use this humidity probe from Testo along with a hygrometer from the 635 series to accurately measure the level of moisture in the air. It can also measure the equilibrium moisture of materials, giving you a rapid indication of whether maintenance is required. The probe can easily be inserted in tight or hard-to-reach spaces thanks to its ample length of 300mm and its small diameter of just 12mm. This probe is easy to hold thanks to its ergonomic handle, making it comfortable to use for long periods of time.

• IP54 (ingress protection) rating indicates protection against dust and water splashes from all directions
• Wide humidity measuring range between 0% and 100%RH (relative humidity) for use in dry and damp environments
• High accuracy of +2%RH to ensure precise readings

• Building industry
• Factories and workshops
• Exhaust ducts

This humidity probe has a wide temperature measurement range of -20°C to +125°C, making it suitable for use in demanding industrial environments.