Testo 104 ir waterproof infrared penetration digital thermometer testo 0560 1040 p this food safety thermometer from testo is ideal for carrying out temperature measurement food safety checks a probe thermometer and non contact infrared thermometer rolled into one the 104 ir is equipped with a high precision 2 point laser and 10 1 optics which show the exact measurement range and allow you to carry out quick and accurate non contact surface temperature measurements it is small enough to f