Company Highlights

RH Systems has been a leader in high-precision humidity and temperature instrumentation for decades. Founded in 1998 by Bob Hardy, RH Systems remains a privately held family business located in Gilbert, Arizona. 

We manufacture equipment and provide expertise for a wide range of humidity/temperature applications, throughout the global market.

Our precise humidity generators, based on fundamental two-pressure two-temperature principles, are leveraged in a variety of calibration laboratories and production facilities.