Land Model 4500 Mk III is this high reliability, continuous opacity measurement and dust compliance system.
It combines the features of three patented technologies to make it “the most accurate and reliable stack opacity measurement and dust concentration monitoring instrument available,” declares the manufacturer. The Model 4500 Mk III uses a patented highly homogenous advanced LED light source combined with a patented Flood LED to achieve the highest levels of stability and accuracy, it’s reported. Its “no-moving-parts” optical system provides the compact dust emissions monitor with high reliability. In addition, the instrument is backed by the firm’s three-year system warranty and a lifetime light source warranty.
150 Freeport Rd., Pittsburgh, PA 15238