EXTECH RH520A( CHART RECORDER, HUMIDITY AND TEMPERATURE)

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