Extech RH520A Chart Recorder, Humidity and Temperature

The Extech RH520A Humidity and Temperature Chart Recorder is a graphic data logger that is used to monitor and record temperatures, dew point calculations and humidity history of laboratories, clean rooms, freezers and storage areas. This hygro-thermometer will record process conditions, and generate warnings when conditions are outside required limits. It features an accuracy of 3%RH, 1.8°F/1°C, measures humidity from 10 to 95%RH and temperature from -20.0°F to 140.0°F. The RH520A includes an internal memory to record up to 49,000 data points, dual graphical LCD display, built-in stand, detachable probe with 3ft (1m) cable, RS232 cable, RS-232 to USB adapter, LabView PC software, 100-240VAC 50/60Hz adapter, and 3 AA batteries.