R.R. Flowmeters Pvt. Ltd manufactures Residual Gas Analyser. The Residual Gas Analyser manufactured by R.R. Flowmeters Pvt. Ltd is the world`s smallest and lightest complete Mass Spectrometer System. The small size, low cost and component interchangeability provides the user with easy updates, troubleshooting and replacement. Residual Gas Analyser is a miniature array of Quadruple mass spectrometer and has 9 detection parts using 16 original column electrodes. It can be used in a small space and still get state-of-the-art resolution.