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DSL-320

DSL-320

The DSL-320 Opacity Monitor uses a double pass light transmission technique to measure dust, smoke and particulate emissions present in an exhaust gas flow in a duct, stack or flue. A light beam, emitted from the Transceiver, (TRX), passes across the duct, stack or flue to a Reflector, which returns the light beam to the TRX. Any dust or smoke particles present will attenuate the light beam and cause the intensity of the light received by the TRX to fall. The amount of light lost in crossing the duct, stack or flue is the Opacity and this correlates to the amount of dust or smoke present in the gas flow.