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White Paper

PMT vs. CMOS: The Paradigm Shift in Metal Analyzer Detector Technologies

The photomultiplier tube (PMT) used in some metal analyzers, for high-end applications, is one of the few vacuum tube technologies still manufactured for industrial use.

However, an analyzer based on PMTs suffers from inherent shortcomings. For example, it’s sharply limited in the number of elements it can detect. And its design makes it difficult — or sometimes impossible — to add new elements.

Fortunately, the solid-state revolution is finally catching up to this legacy application. Advanced complementary metal oxide semiconductor (CMOS) detectors made with proven integrated circuit technology have been developed for a new class of analyzers. These equal or exceed every benchmark of PMT-based performance. Example: they render reliable results on a greatly expanded number of matrices, elements, and compounds, and can add new ones via simple software updates.

That’s good news for large foundries and primary producers of steel, aluminum, or copper — as well as secondary metal processors, aerospace and automotive companies, testing laboratories, and governmental or academic labs.

A new white paper details PMT issues as well as CMOS-based flexibility, sensitivity, stability, speed, and more.

Download this eye-opening paper today. You’ll see how SPECTRO’s proprietary CMOS+T technology brings the new SPECTROLAB S to a whole new level of metal analysis.

DOWNLOAD THIS PAPER NOW.