Have you seen our G3?
Have you seen our new DUET?

Humidity Measurement Solutions

Request a Quote

RH Systems Chilled Mirror Hygrometers offer unmatched accuracy and reliability

RH Systems Chilled Mirror Hygrometers use fundamentals of physics to build either a frost layer or a dew layer on the surface of the chilled mirror for an accurate and repeatable measurement. Our chilled mirrors have been built to last the test of time, with a relatively drift free measurement your laboratory standard will be dependable throughout your metrology career.

Why our Humidity Measurement?

Our humidity measurement products offer drift-free performance, advanced temperature control, and intuitive touch-screen features ensuring consistent metrology standards that stand up to the test of time.
Humidity Education

Humidity Measurement
Product Features

PRT Sensor

100 Ω PRT embedded within the chilled mirror

Touch Screen

Digital measurement & control of Mirror temperature

Callendar-Van Dusen

Equation for proper curve-fit with minimal error

Graphic Display

Full Color Hi-Resolution LCD Touch Screen (Numeric or Graphic)

ORIS

Optimum Response Injection System 

Communications

Verify/Edit Calibration Coefficients using Bi-directional RS-232

Force Frost

Automatic Dew/Frost Determination

Let’s Chat

Let's Chat
Joshua Stine
Chief Relationship Engineer

At RH Systems, we’re constantly pushing ourselves towards advancing our products and services for a wide range of clients, setting a new standard for accuracy and paving the way for future breakthroughs.

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.

Ready to chat with our Sales Team? Send an email to sales@rhs.com and we’ll get right back to you.

Let’s Connect

Fill out the form below and we’ll be in touch soon.

    Humidity Calibration

    RH Systems provides exceptional calibration services, utilizing the speed and reliability of our Two-Pressure, Two-Temperature humidity generators for an expedient turn-around. Trust our expert technical staff with your most valued standards. 
    Discover Calibration Services

    Frequently Asked Questions

    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.
    Do you service products not manufactured by RH Systems?
    Yes, please contact sales@rhs.com for more information.
    Are you accredited?

    As a NVLAP accredited laboratory, RH Systems is reassessed to ensure that our quality and practices maintain such standards (NVLAP Laboratory Code 600161-0). The National Institute of Standards and Technology (NIST) administers the National Voluntary Laboratory Accreditation Program (NVLAP), which accredits public and private laboratories based on evaluation of their technical qualifications and competence to carry out specific calibrations or tests. 


    NVLAP provides an unbiased third-party evaluation and recognition of performance. Accreditation signifies that a laboratory has demonstrated compliance with NVLAP management and technical requirements, including quality systems, personnel, accommodation and environment, test and calibration methods, equipment, measurement tractability, sampling, handling of test and calibration items, and test and calibration reports. Learn more here.

    Where can I find the range for each unit?
    On our Product Page, click the specific unit. Then, click on download brochure.

    Brand Warranty

    At RH Systems, we proudly stand behind the quality of our products with a 12-month warranty from the date of shipment. If any part proves defective in material or workmanship under normal use, we’ll repair or replace it—just send it to us prepaid for inspection. To keep your warranty intact, all maintenance or repairs should be handled by RH Systems or an authorized representative. While the warranty doesn’t cover misuse, accidents, unauthorized modifications, or corrosion, you can count on us for expert support and reliable service every step of the way.
    See Our Warranty