Imperial or metric sizes with various insertion lengths. Signal Group offer a large range of sample probes for various applications. These can be Heated or Insulated. Probe material include Stainless Steel, Monel, Hastaloy and ceramic. Air purging and calibration gas inlets are some of the options available.

FID: the VOC emissions monitoring reference method – for over 50 years!
The Flame Ionisation Detection (FID) method was first developed in the 1950s for the laboratory analysis of organic chemicals. Later, when environmental regulations began to limit the emissions of volatile organic chemicals (VOCs) in the 1970’s and 1980’s, the FID method was adapted for emissions monitoring. Signal Group was one