Used SPECTRA Vacscan #191644 for sale

SPECTRA Vacscan is an advanced residual gas analyzer designed to measure gas composition in UHV, VHV, and even cryogenic environments. It uses a sophisticated vacuum-scanning capability which allows it to rapidly acquire and display quantitative information for a wide range of sampling conditions. The device consists of two distinct parts: a vacuum-scanned gas cell and a laser-optics module. The vacuum-scanned gas cell is the single-volume system which houses the sample gas for analysis. The cell consists of a stainless steel vessel with a window on the front to allow for optical access to the sample gas. This window is surrounded by a series of electrical feedthroughs, which allow the sample to be sealed against the environment. A single gas cell can measure two gases (but multiple vacuum-cells can be connected together to measure up to eight different gases). The laser-optics module performs the actual analysis. It consists of a high-power neodymium-doped laser, fiber-optic cables, and a special gas absorber. The laser is used to excite the sample gases, while the fiber-optic cables and absorber directs the laser light to the sample cell window and measures the absorption SPECTRA of each gas as it passes through. The output of Vacscan includes a graph of the sample gas concentrations displayed on a logarithmic scale. The graph indicates the level of each gas present in the sample, as well as any residual impurities or contaminants. SPECTRA Vacscan is also capable of providing data on absolute pressure, temperature, and pressure rate over time. In conclusion, Vacscan is a powerful, advanced residual gas analyzer capable of accurately measuring gas composition in UHV, VHV, and even cryogenic environments. Its laser-optics module quickly acquires and displays quantitative information for a wide range of sample conditions. Utilizing a sophisticated vacuum-scanning system, SPECTRA Vacscan offers precise and reliable results for the analysis of sample gases.