Datalogger has probe design to monitor core temperatures.

Model RTR-61 wireless/waterproof datalogger has single pushbutton data capture that logs time, date, temperature, operator ID, and item ID. Capable of storing up to 1,800 readings, it includes LCD that reads current value. Penetration probes are available either 5 or 10 in. long and can be attached directly to logger or to handle with 36 in. cable. Stored data can be downloaded to PC or through LAN using optional communications set.