Entech EchoSmart sludge blanket monitors from Analytical Technology take the guesswork out of blanket measurements in clarifiers, thickeners and anywhere an underwater interface measurement is needed. Smart-Sensor technology provides for wireless networks of up to 16 sensors, reducing the per-tank price. In addition, the ability to remotely monitor the system via cellular modem ensures support for even the most challenging processes. 800-959-0299; www.analyticaltechnology.com; Booth 7439.