
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.
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.
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.



Tee Yee Zheng, Lab Manager, Supertron Sensing

You need someone you can trust. And with 25 years of experience, we’ve established a reputation for unwavering reliability and custom solutions.

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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 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.

It all starts with understanding what you’re aiming to achieve. Whether that’s specific measurements, or ensuring your products are in spec, we’re happy to help and love a challenge.
Let’s chat about what products you’re interested in and how we can meet those needs. For most of our products, we can provide modifications. We can also offer extended ranges for many.
We can help you determine the best way to install your system. This includes helping with the shipping process to your facility. We can then either assist you remotely or in person.
When needed, we offer comprehensive training. Our goal is to empower your team to use our products at their full potential.
It doesn't end with installation and training. We provide ongoing assistance to ensure your products are working in peak condition, and we're always here to help whenever you need us. We’re committed to providing white glove customer service to all of our clients for years to come.
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.
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.
Contact Sales
What are your hours?
9am – 5pm Arizona Time
Where are you located?
1225 West Houston Ave, Gilbert, AZ 85233
Do you offer virtual or in-person training?
Yes, please contact sales@rhs.com for a quote.
What products do you service?
We service the entire RH Systems line of products, you may find our products here:
https://rhs.com/products/
Do you service products not manufactured by RH Systems?
Yes, please contact sales@rhs.com for more information.
Are you accredited?
Yes, NVLAP ISO/IEC 17025:2017
NVLAP LAB CODE: 600161-0
What is the scope of your accreditation?
Please visit our website page on Calibration:
https://rhs.com/calibration/
Where can I find the range for each unit?
On our Product Page, click the specific unit. Then, click on download brochure.