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Contact SupplierThe VisGuard measures the scattered light intensity of a sample drawn into the instrument. Filtered purge air is fed through the flow cell, thus enveloping the sample in a protective shroud of clean air. This effectively keeps the optics clean. Installations are either in the tunnel cavity/niches (in-situ) OR alternatively away from the area of measurement extracting the sample from the area through pipes via an external arrangement. An optional sample heater eliminates the influence of any mist effects.
APPLICATION
Dust concentration in air, oil mist detection in ship industry, machine & metal industry, visibility monitoring in rail and road tunnels