For routine type K thermometer and indicator calibrations, the MicroCheck is the perfect test tool. A single select button scrolls quickly between the 3 factory set calibration points for efficiency. Two models to choose from: 271-018 (0°F, 32°F, 212°F) and 271-019 (32°F, 212°F, 500°F). Each unit includes a 3-point UKAS Accredited Calibration Certificate so you know that you're using a precision instrument. Also included is a 3 foot type K test lead for connecting up your type K meters. You get precision at an economic price. Simple and fast!