Calibration is the process of establishing the relationship between the output of a measurement and a known input. In common with most measuring instruments, gas
346 FEF Module
The Front End Filter (FEF) module is a prefilter which is installed close to the sampling point, providing sample filtration and system integrity checking with Span gas being passed down the heated line to check for hydrocarbon ‘hang-up’.
Increasing political action on Climate Change is prompting a new requirement for process operators to improve the accuracy and reliability of greenhouse gas (GHG) emissions