Extech RH550 Humidity and Temperature Chart Recorder

Large 7" (178 mm) high-resolution color TFT LCD (1024 x 600 pixels) with display zoom feature, interactive touch-screen, and screen capture capability Simultaneous numerical and graphical display of realtime humidity, temperature and dew point readings Capture up to 20,000 data points in CSV format via the internal 16 GB memory Field-replaceable probe can be clipped directly onto tablet or attached to ~6 ft (1.8 m) cable Audible and visual alarm with Hi/Low set points