The Extech HD200 Infrared Thermometer with Datalogging can store up to 18,000 readings on each channel. Features an infrared thermometer with laser guide for non-contact temperature readings as well as Type K probes for contact temperature readings. Infrared temperature ranges from: -22 Degrees F to 1022 Degrees F or -30 Degrees C to 550 Degrees C with a 8:1 distance to target ratio.