Extech RH520A [RH520A-NIST] Humidity+Temperature Chart Recorder with Detachable Probe and NIST Calibration

Graphical datalogger for Humidity/Temperature measurements and Dew Point calculation.
The Extech RH520A paperless chart recorder provides simultaneous digital and graphical display of relative humidity and temperature. The display also shows dew point, date and time and Min/Max measurements. Stored readings can be recalled on the display or downloaded to a PC to obtain a permanent record. Provisions for wall mounting or the control panel swivels to act as a desk stand. The user can set audible and visual alarms with High and Low limits for humidity and temperature.