
Measurement accuracy depends on more than just the gas analyser
Levels of uncertainty in gas measurements can be increased, for example, by calibration gases that offer poor levels of accuracy. For this reason, Signal Group
Signal’s Oxygen analysers offer superior performance for percent oxygen analysis in a wide variety of applications.
Paramagnetism is a tried and tested method for measuring oxygen. It uses a dumbell filled with nitrogen is placed in a magnetic field and it’s position determined using a light beam and a mirror mounted on the dumbell. Oxygen molecules are drawn into the magnetic field, acting to displace the dumbell.
A current is generated within the detector to vary the magnetic field to move the dumbell back to its original position and this current is then used to derive the concentration of oxygen present in the sample. This is a very dependable method for detection which is not sensitive to pressure variation and can be used to measure oxygen from ppm up to percentage concentrations.
Paramagnetic (PMG) oxygen analysers for accurate percent measurements in combustion testing, inert atmospheres, medical and safety for humans, internal combustion engine exhaust and many more applications
Get in touch to discuss our Paramagnetic Analysers.
Levels of uncertainty in gas measurements can be increased, for example, by calibration gases that offer poor levels of accuracy. For this reason, Signal Group
Responding to a demand for short-term monitoring, Signal Group has established a fleet of gas measurement instruments that are available for hire. “Some of our
Loved and adored by his family and friends, much liked and admired by his peers, John Clements was a hugely popular man, and will be
Company Registration Number 01369865 • Vat Number GB296290719
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