The C200 humidity/temperature indicator features a built-in probe and large dual display that measures humidity with an accuracy of +2% from 0% to 98%. Temperature is measured with an accuracy of +0.3¿C (0 to 40¿C) in the –4 to 122¿F range. Features include max and min reading, average readings, a hold function, automatic off, and dewpoint, and absolute humidity conversions.