The unit comes in four different models, temperature and relative humidity,
dual thermocouple, dual process and pH and (RTD) temperature models. Located on
the front panel is a convenient keypad for programming and a large, bright,
dual backlit display. The PC interface allows the user to download recorded
data. The patented features include double-sided chart paper and the magnetic
hub. The temperature/ relative humidity model also comes with Windows-based PC-application
software to log data in real time, download recorded data, or re-scale chart
paper. There is also a wireless temperature/ relative humidity probe that is
offered as an option. Perfect for EPA requirements.