Description click to view larger image Extech RH520B Temperature Humidity Chart Recorder This paperless chart recorder provides simultaneous digital/graphical display of %RH and Temperature or Dew Point and shows date/time and Min/Max values. Use free PC-based software for data transfer to a PC and to graph %RH, Temperature, Dew Point, Wet Bulb, and GPP or g/kg. Audible and visual high/low alarm limits can be set for Humidity and Temperature. • Graphical & digital data display plus date & time • 49000 reading memory • Programmable resolution • Audible & visual alarms • Wall or benchtop mounting • RS232 & USB communications Supplied with Universal AC adaptor & multiple plugs (US, EU, UK, AUS), built-in stand, detachable probe with 3 ft (1 m) cable, RS-232 cable, RS-232 to USB Adaptor, and 3 AA batteries. RH520B Data Sheet
