Rotronic
Rotronic is a part of Process Sensing Technologies (PST), a group of well-established brands known for the precision, reliability, and innovation of their products, as well as their strong commitment to customer service.
With over 55 years of experience, Rotronic specialises in industry-leading measurement solutions for relative humidity, temperature, carbon dioxide, differential pressure, and water activity. These high-precision instruments are essential across industries that demand superior accuracy, stability, and reliability. The Rotronic brand embodies Swiss precision and innovation, offering advanced solutions such as RMS, a modular real-time environmental monitoring system designed to help regulated pharmaceutical customers meet FDA/EU requirements while also supporting industrial applications focused on product quality.
Rotronic Solutions
Rotronic Products
Humidity
Rotronic humidity measuring instruments are widely used in the pharmaceutical and food industries, HVAC applications, drying processes, storage, meteorology, archives and museums. These humidity measurement devices and data loggers accurately monitor both air humidity and temperature for reliable environmental control.
Products:
- Probes & Filters
- Transmitters
- Data Loggers
- Handheld Instruments
- Meteorlogy
- Calibration
- Accessories
Temperature
Rotronic temperature measuring instruments provide reliable monitoring for temperature-sensitive products during production, storage and transportation. The range includes temperature probes, transmitters, handheld instruments and data loggers. The Rotronic Monitoring System enables remote access to temperature and humidity measurement data anytime, anywhere.
Products:
- Probes
- Transmitters
- Data Loggers
CO2
Rotronic CO₂ monitoring instruments help maintain healthy indoor air quality by measuring carbon dioxide (CO₂), humidity and temperature. Monitoring CO₂ levels in parts per million (ppm) provides a reliable indicator of when ventilation is needed, particularly in crowded indoor spaces.
Products:
- Data Loggers
- Handheld Instruments
- Accessories
Differential Pressure
Rotronic differential pressure measuring instruments provide precise monitoring for clean rooms, operating theatres, laboratories, research facilities and HVAC applications. The range includes differential pressure transmitters, clean room panels and accessories, with options to integrate humidity and temperature sensors for comprehensive environmental monitoring.
Products:
- Transmitters
- Clean Room Panel
Pressure
Rotronic pressure measurement instruments provide reliable monitoring and control of compressed air, machinery and industrial processes. Using piezoresistive pressure measurement technology, Rotronic pressure transmitters deliver accurate data to support process monitoring, control and optimisation across industrial applications.
Water Activity
Rotronic water activity measurement instruments help ensure the quality and stability of moisture-sensitive products and materials, particularly in the food and pharmaceutical industries. Measuring water activity (aw) and equilibrium relative humidity (ERH) helps control microbial growth, prevent moisture migration and clumping, and support longer product shelf life.
Products:
- Water Activity Probes
- Insertion Probes
- Laboratory Analyzer
- Handheld Device
- Accessories
Dew Point
Rotronic dew point measurement instruments provide accurate monitoring of water vapour and trace humidity to support quality, safety and process efficiency. Applications range from medical breathing air and industrial dryers to natural gas dew point monitoring, helping prevent condensation, ice formation and moisture-related contamination.
Products:
- Dew-Point Transmitters or Sensors
- Portable Hygrometers (Dew Point Meters)
- Humidity and Temperature Calibration Systems
- Process Moisture Analyzers
- Hydrocarbon Dew Point Analyzers
- Moisture in Liquid Analyzers
O2
Our oxygen measurement instruments and high-purity oxygen analysers provide precise monitoring for applications including industrial gas purity, glove box leak detection and flue gas monitoring. Designed to support safety, quality, process efficiency and regulatory compliance, the range offers reliable oxygen measurement solutions for diverse industrial applications.
Products:
- Water Activity Probes
- Oxygen Transmitters
- Hazardous Area & SIL Capable Oxygen Analyzers
- Oxygen Analyzers
- Trace & Purity Oxygen Analyzers
- Portable Analyzers
- Oxygen Analyzers for Diving & Medical
- Combustion Control Oxygen Analyzers
Software
Rotronic monitoring and measurement software enables easy configuration, data retrieval and analysis from Rotronic measuring instruments. The cloud-based Rotronic Monitoring System (RMS) provides centralised, server-based monitoring with secure data storage and remote access to measurement data and system activities from anywhere with an internet connection.
Products:
- HW5
- HygroSoft
Monitoring System (RMS)
The Rotronic Monitoring System (RMS) provides comprehensive environmental monitoring for R&D, production and storage applications. Combining digital and analogue hardware with server-based software, RMS monitors relative humidity, temperature, dew point, door contacts, particles and other parameters, with remote access from PCs, tablets and smartphones for flexible, centralised monitoring.
Products:
- RMS Hardware
- RMS Software
- RMS Services
