For measuring the core temperature in food Conformity-assessed, with PTB approval Waterproof Precise, durable Pt100 sensor Conformity-assessed and approved for official temperature measurements: The immersion/penetration probe is suitable (with the suitable measuring device, e.g. testo 112 conformity-assessed (order no. 0560 1128 01)) for the precise measurement of the core temperature in food, e.g. in meat, cheese or liquids.