Products
- Portable gas detectors
  - GfG's portable gas detectors offer professional personal protection
- Fixed gas detection systems - controllers
  - We offer suitable controllers for your individual application
- Fixed Gas Detection Systems - Transmitters
  - Different transmitters for a wide range of gases and applications
- Water measurement technology
  - Reliably and safely monitor cooling water circuits for leaks
- Accessories
  - Find the right accessories and useful add-ons for every device and requirement
- Test gases
  - All test gases you need to calibrate your gas detectors can be found here
Sensors
Industries
Gas know-how
- ACDC - smart Communication Technology
  - Digital data via analog signal forms
- Sensor technology
  - Measuring principles and sensor technology
- ATEX regulations
  - Many GfG devices are ATEX-certified
- Gas Sampling Systems and Control Cabinets
  - Gas sampling systems and control cabinets tailored to customer requirements
- FAQ
  - We answer the most important questions about gas measurement
Support
- GfG Campus
  - Learn how to use GfG gas detectors correctly in our individual training courses
- Maintenance and service
  - We offer comprehensive services for all GfG products
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  - Comprehensive consulting and technical know-how for your individual project
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insideGfG
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  - Latest news
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- Trade fairs and events
  - Discover the trade fairs and events we will be attending
- GfG GAZETTE
  - Get interesting information about gas measurement with the GfG GAZETTE

Water measurement technology

MiniCal III System

MiniCal III
Basics

Ion-selective ammonia measurement of cooling circuits
» more

MiniCal III Bypass Fitting

MiniCal III
Bypass Fitting

Fitting for monitoring pressure circuits
» more

MiniCal III Flow Fitting

MiniCal III
Flow Fitting

Fitting for use on unpressurised pipelines
» more

MiniCal III Immersion Fitting

MiniCal III
Immersion Fitting

Fitting for measurements in basins, containers or canals
» more

MiniCal III CS

MiniCal III
CS

Especially for monitoring synthetic refrigerants
» more

VARIOCON System

VARIOCON
Basics

Reliable measuring amplifier for ph, redox and chlorine
» more

VARIOCON Combination Fitting

VARIOCON
Combination Fitting

Simultaneous measurement of ph, redox and chlorine
» more

VARIOCON Industry Fitting

VARIOCON
Industry Fitting

Robust fitting for measurements in pressure circuits
» more

VARIOCON Flow Fitting

VARIOCON
Flow Fitting

Fitting for measuring in unpressurised pipe lines
» more

VARIOCON Immersion Fitting

VARIOCON
Immersion Fitting

Fitting for measuring in outlet basins or in canals
» more

Our experts are happy to answer your questions! How to find us

How to find us