Cosense ultrasonic liquid level detectors best mechanical float switches

June 21, 2011 — Cosense launched a line of products, the Cosense SL 900 Series of Ultrasonic Liquid Level Detectors, that detect and micro-measure ultrapure chemical fluids for semiconductor chip manufacturing. These ultrasonic products have no moving parts to induce impurities in the liquid.

A thermo-couple sensor monitors temperature, instead of welding a thermo-couple well in the ampoule. Up to eight alarm points are available. It functions independently of the liquid’s density and viscosity.

The SL 900 can be used for various applications in the semiconductor chemical vapor deposition (CVD) process, offering "numerous functionality advantages over simple mechanical float switches," according to Bill Allhusen, Cosense engineering manager.

Cosense makes ultrasonic instrumentation for fluid management, liquid level sensors and air-bubble/particle detectors for semiconductor, medical sciences, industrial automation, aerospace, chemical process, environmental sciences, food and beverage, and metrology sectors. For more information, visit www.cosense.com

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