RH Systems

Quality, Reliability, Performance

Experience You Can Rely On

Our founder isn’t just our head technician—he’s an industry leader. With a lifetime of knowledge and countless contributions advancing our technology forward, he’s been called one of the brightest minds in our field. But we just call him Bob.
Our track record of quality and innovation has provided top-tier solutions for military and government contracts with unmatched precision. We’re committed to producing products with accurate, reliable results that save you time and help your bottom line.
Customer satisfaction is the foundation of our reputation, so we never take a one-size-fits-all approach. We work with you to understand your needs and provide customized solutions that work seamlessly right from the jump.

Driven by

With a world-renowned industry leader at the helm, we’re constantly pushing ourselves towards advancing our solutions for a wide range of clients, setting a new standard for accuracy and paving the way for future breakthroughs.

Customer Solutions

At RH Systems, we specialize in solving your challenges—no matter how unique they may seem. Our team is dedicated to understanding your specific needs and tailoring solutions that not only meet but exceed your expectations.




We use only the highest-quality components, and our unwavering commitment to excellence guarantees that you’re investing in products built for longevity and excellence.


With a streamlined operation and high-value equipment in stock, we’re able to reduce those frustrating wait times. Our process and expedited solutions keep your project running smoothly and on schedule.


We strive to keep our instruments working for 20+ years and provide you with complete support whenever you need it.

Trusted Worldwide

Learn More About RH Systems

Why RH Systems

You need someone you can trust. And with 25 years of experience, we’ve established a reputation for unwavering reliability and custom solutions.
Years of Innovation
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Introducing Bob Hardy, a trailblazer in the industry with decades of experience creating custom solutions in humidity and temperature instrumentation.

Our Process

Our journey has been marked by consistent excellence and a promise of only delivering the best—each and every time. Our proven process ensures that every aspect of your experience with us is dedicated to delivering the best possible results.

Explore our Products

With a wide range of Humidity Measurement and Generation, SF6 Measurement, and Temperature Measurement tools, we have the foundations to creating the exact, effective solution you need.

Humidity Measurement

Humidity Generation

SF6 Measurement

Temperature Measurement

Let’s Get Started

Experience quality, customization, and reliability you won’t find anywhere else. Give us a call or fill out the form below, and we’ll be in touch soon. 


9am – 5pm Arizona Time
1225 West Houston Ave, Gilbert, AZ 85233
We service the entire RH Systems line of products, you may find our products here: https://www.rhs.com/products/
Yes, NVLAP ISO/IEC 17025:2017 NVLAP LAB CODE: 600161-0
Please visit our website page on Calibration: https://www.rhs.com/calibration/
On our Product Page, click the specific unit. Then, click on download brochure.

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