Extech RH520A

Graphical datalogger for Humidity/Temperature measurements and Dew Point calculation 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 > Each Unit Includes Built-in stand Detachable probe with 3ft (1m) cable RS232 cable RS-232 To USB Adaptor LabView-based PC software 100-240VAC 50/60Hz adaptor 3 AA batteries