Graphical Humidity/Temperature Chart Recorder
March 1, 2006
Model RH520 can be either desk or wall mounted and provides simultaneous numerical and graphical displays of humidity (20 to 95 percent RH) and temperature (-20 to 140°F [-29 to 60°C]). It also calculates dewpoint. The multiple graphic displays are cursor controlled and have adjustable X/Y axis resolution that allows the user to monitor both temperature and humidity within a user specified range. The sample rate is adjustable from 0.1 sec to 200 min per sample, permitting daily, weekly or monthly graphs. Basic accuracy is 3.5 percent RH and 1.8°F (1°C).
Extech Instruments • (781) 890-7440