Gas networks are changing. Should your gas detector change with them?

Portable gas detection

Gas networks are changing. Should your gas detector change with them?

28 Oct, 2026

Gas networks are evolving. While natural gas remains central to today’s infrastructure, the growing interest in hydrogen raises new questions about how networks will be inspected, maintained and monitored. For technicians working in the field, however, one requirement remains unchanged: dependable gas detection across a wide range of situations.

Even routine work can involve very different measurement tasks. Locating a small natural gas leak requires sensitivity at low concentrations. Checking a pipeline or installation may involve much higher concentrations. Personnel may also need protection from oxygen deficiency or other atmospheric hazards while carrying out inspections and maintenance.

This variety of tasks is where adaptable detection technology makes a difference.

The GfG Polytector III G999S brings several functions together in one portable instrument. Its combined methane sensor uses different measuring principles for different concentration ranges, automatically switching between them as levels change. This enables methane measurement from low ppm concentrations up to 100 vol.% without the operator having to select a new range manually.

Dedicated sniffer and leak finder modes support the search for leaks. An audible signal increases in frequency as the measured gas concentration rises, helping technicians narrow down the source. Sampling hoses and telescopic probes make it easier to investigate locations that are difficult to reach directly.

Depending on its configuration, the G999S can also monitor oxygen levels and other atmospheric hazards, providing additional protection for personnel during inspection and maintenance work.

And as gas networks evolve, so can the equipment used to monitor them. The G999S can be retrofitted for hydrogen measurement up to 25 vol.% H₂, allowing operators to adapt their existing instruments to new requirements.

Gas network safety is not only about meeting today’s challenges. It is also about being prepared for what comes next.

What might your next gas detection challenge look like?

Discuss your gas detection challenge with us.

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IET 36.5 Sept/Oct 2026

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