Filter unit for heated sample gas filters

The filterinlet model iFiD Filter is a flashbackable filterunit for all heated Testa Samplegasfilters. The filter is usable for exhaust gas from engines as well as for emmission measuring tasks.


This filter is a allroundfilter for applications like Emission- and dustgasmeasurement. All particles are hold back before the heated transfer line. Because of its very heavy construction the filter element has a long operation time and can cleaned several times in ultrasonic or with chemicals.


  • Temperatures up to 800°C
  • No fissures in the filter even when the filter is flashbacked with pulsing air
  • No small damages in the Filtersurface