Gas Detection Systems for maximum safety

When it comes to reliable gas detection, you can trust GfG devices. We have more than 60 years of experience in this technology and offer a wide range of portable gas detectors and fixed gas detection systems. Furthermore, we can provide you with solutions for monitoring water circuits and a wide range of accessories. If you have any questions, please do not hesitate to contact us.

Portable Gas Detectors

Portable single-gas and multi-gas monitors, which measure up to 7 different gases simultaneously, warn the employee of possible hazards posed by gases. The long-life sensors and high battery life are economic factors that distinguish all devices.

» To our Portable Gas Detectors

Fixed Gas Detection Systems - Controllers

GfG controllers are innovative and flexible control and evaluation units for numerous tasks. For measuring different gases and vapours in various applications, they offer the advantage of unlimited configuration options.

» Controllers for every task

Fixed Gas Detection Systems - Transmitters

Toxic gases and vapors pose a danger in many industries. Our transmitters with will let you reliably detect almost any gas with their various different sensor technologies and thus ensure a high level of safety.

» The right transmitter for every gas

Respiratory Air Monitors

In many areas of industry there are applications that make it necessary to monitor the breathing air of employees and thus protect them from possible damage. We offer different respiratory air monitoring devices that can be individually configured to your needs and requirements.

» To our respiratory air monitors


We offer a comprehensive range of accessories for our gas detection systems and gas measuring instruments. Starting from test stations, relay modules, software and adapters up to transport cases. Here you will find the appropriate accessories for our devices.

» To our accessories assortment

Test gases

Gas measuring instruments must be tested and calibrated at regular intervals. For this purpose, we offer you an extensive range of test gases. Both pure gases and multi-gas mixtures can be supplied to suit every area of application.

» The right test gases for calibration

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