For safety reasons, the density of the medium of gas insulated SF6 heavy duty circuit breakers must be continually monitored. Through its immense experience combined with innovative products, Trafag has established itself as market leader.


  • High voltage technology.
  • Mid voltage range technology.
  • Switching diagnostics.

Trafag density measuring appliances and monitoring devices are extremely reliable and require no maintenance due to proven construction methods.

Two main types of measurement and monitoring devics can be offered.

Electromechanical Density Devices:

Continual investment in Research and Development combined with close cooperation with our customers has established Trafag as the market leader in density measurement.

Two characteristics of our products are:

  • high quality.
  • minimal failures.

For further information regardless of standard solutions or customised developments,we can give you the advice you require.


We are Marktechnical


  • Wide range of instruments, spare parts on stock
  • Fast delivery times 24/7
  • Field service
  • Experience team of professionals
  • Close cooperation with our customers
  • Well equiped workshop and test possibilities
  • Comprehensive list of brands
  • Personal and customized advice
  • ISO9001 certified