Rotronic

Precision Measurement Solutions for Humidity, Temperature and CO₂

For processes where environmental conditions directly impact quality, safety, and compliance, reliable measurement is essential.

Rotronic provides precise and stable monitoring solutions that help you control humidity, temperature, and CO₂ with confidence.

Whether you work in pharmaceuticals, laboratories, food production, or industrial environments, you get the data you need to ensure consistent performance and meet regulatory requirements.

Reliable Measurement Technology Built for Demanding Environments

Rotronic is a Swiss manufacturer with decades of experience in high-precision environmental measurement. As part of the Process Sensing Technologies (PST) group, Rotronic combines advanced sensor technology with robust industrial design and digital integration.

Their portfolio covers everything from handheld instruments and transmitters to calibration systems and full monitoring solutions. This allows you to work with one consistent platform across your entire measurement chain – from spot checks to validated monitoring systems.

How do you protect 800 years of history?

Discover how the Danish National Archives uses Rotronic humidity and temperature monitoring to preserve millions of physical documents in a 20,000 m² high-security facility. A precise and fully digital setup ensures stable climate conditions—down to the last degree and percentage.

Read the full story

Relative Humidity calculation

If you need a conversion tool for humidity in air, Rotronic has a calculation table available for you here >>

Dew Point Calculation

If you need a dew point conversion tool, Rotronic has a calculation table available for you here >>

Technologies That Ensure Accurate and Stable Data

Rotronic solutions are built around proven sensor technologies and a flexible digital ecosystem:

Capacitive humidity measurement with digital HygroClip probes
AirChip3000 signal processing for high accuracy and low drift
NDIR-based CO₂ measurement for stable indoor air monitoring
Water activity measurement for product stability and shelf-life control
Closed-loop humidity generation for calibration and validation
RMS – Rotronic Monitoring System for continuous, compliant data logging

This combination ensures that you get reliable, traceable measurements across applications and industries.

Solutions Covering the Full Measurement Chain

Rotronic offers a broad range of instruments and systems that work together:

Humidity & temperature transmitters – for continuous process monitoring
Handheld instruments – for flexible field measurements and spot checks
Laboratory analyzers – for high-precision humidity and water activity
Calibration systems – for traceable verification of sensors and instruments
Monitoring systems (RMS) – for real-time data, alarms, and reporting
CO₂ and indoor air quality solutions – for climate control and ventilation

This integrated approach makes it easier for you to standardize measurement across your organization.

ROTRONIC HW4 software - monitoring, alarming and reporting

In Norsk Analyse Denmark, we have extensive experience with Rotronics HW4 software, which is used for configuring devices, as a calibration tool, for monitoring measurement parameters and data logging in networks.

HW4 excels by meeting regulations such as FDA 21 CFR part 11 in connection with monitoring humidity, temperature or a third parameter! The analog output of other instruments can be connected to the Rotronics system.

Watch the new HW4 video on the right, and contact us for further explanation of how the HW4 software can be used in your company.