The Testo 0615 1212 Waterproof Immersion/Penetration Probe with NTC Temperature Sensor is designed for temperature measurements in liquids and semi-solid media and offers numerous application options. For example, it is ideal for measuring the temperature of water and for carrying out sophisticated temperature measurements in the area of food production. The fixed cable is used to connect the immersion/penetration probe to a measuring instrument (sold separately). The immersion/penetration probe is equipped with a high-quality NTC sensor and features a high measuring accuracy of up to ±0.4 °F (±0.2 °C).