TECPEL temperature and humidity meters, DTM-322 series, feature temperatures from -20 to 60 °C (-4 to 140 °F), or in case of K-type from -200 to 1,370 °C (-328 to 2,498 °F), humidity from 0 to 100% RH, data logging capacity of 16,000 records, a 4-digit, three-section display, MAX/MIN, AUTO POWER-OFF and TIME functions, °C or °F choice, automatic low battery indicator, and a RS-232 interface for PC connectivity.