The Suspended Solids Density Meter from Markland Specialty Engineering provides real-time knowledge of primary, secondary and return-activated sludge concentrations in pipes, clarifiers and tanks, and automates biosolids removal. It allows users to program underflow pumps to shut off before biosolids density becomes too thin, and to optimize polymer dosing and equipment variables for enhanced dewatering. This ultrasonic meter provides continuous suspended solids percentage readings, unaffected by the color of particulates or fluid, and enables calculation of mass flow rate. It is available in two versions: a nonintrusive sensor within an inline pipe spool-piece and a throw-in-style probe. Each style is simple to install, calibrate and clean. 855/873-7791; www.sludgecontrols.com
 


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