Testo 0602 1793 robust general purpose air sensor testo 0602 1793 p this type k air probe from testo is designed for use with a range of testo products that require a k type sensor the probe is designed as a robust but fast reacting probe for measurement of airflow temperature up to 400 deg c at the probe tip the probe has a fixed cable of 1 2m terminating in a standard type k plug p testo 0602 1793 air sensor compatible with thermometer 922