A well-defined alcohol content is an obligatory parameter in the production of alcoholic beverages for the need of a constant quality in industrial production and for governmental and taxation regulations.
There are several common technologies for the measurement of the alcohol concentration, e.g. hydrometers, density meters or NIR spectrometers.
Anton Paar’s alcohol monitor, equipped with the inline density sensor L-Dens 417 Ex and an mPDS 5 evaluation unit, provides continuous alco-hol concentration measurement with an accuracy of up to ±0.05 per cent.
Invinity to build 20MWh flow battery in UK
A surprising comment for someone who (I think you´ve said in the past) worked in the industry. National Grid have a variety of reserve service schemes...