Extech RH520A-NIST Datalogging Thermometer Hygrometer

Extech RH520A-NIST Hygro Thermometer with NIST Calibration Certificate features: Best value paperless chart recorder in the market that's easy to set up and operate; Simultaneous numerical and graphical display of Humidity and Temperature readings, plus Time and Date; Measures Humidity (10 to 95%RH) and Temperature (-20.0°F to 140.0°F) plus calculates Dew Point; Basic accuracy 3%RH, 1.8°F/1°C; Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution; Internal memory records up to 49,000 data points and can be transferred to a PC via RS-232 serial port for further data analysis; LCD indicates percentage of memory remaining.