Nowadays, edible oil is used very frequently. However, if edible oil is fried for a long time without recing the new oil, the quality of fried products will be degraded and consumer comints will be caused. The core component of testo 270 is a new type of edible oil capacitor sensor. The sensor can be ced directly into high-temperature cooking oil for detection, which allows for rapid monitoring and detection in kitchen work. Sensors can continuously detect multiple fryers without cooling. Through the edible oil quality detector, the user can use the edible oil to the maximum extent, and only when the limit value is reached (when the LED light is on) need to rece the oil