The Testo 0618 0072 Robust, Fast-Reaction, Digital Air Probe is ideal for measurements in laboratories, industrial applications, and food quality control. Use the air probe (together with a compatible measuring instrument, sold separately) to carry out quick, accurate measurements of the air temperature. The exposed sensor makes it possible to carry out temperature measurements with a short response time. The air probe is equipped with a Pt100 temperature sensor, which provides long-term stability and high accuracy.