Markland Specialty Engineering Ltd.

Serving the water, wastewater and processing industries since 1967 with a family of monitoring and control instruments: The Sludge Gun® portable sludge level detector - compact and weatherproof. Automatic Sludge Blanket Level Detector - measures, monitors and controls sludge depth as it rises and falls. The Sludge Sleuth™ single point sludge level detector - automates pumps/valves and alerts operators when the liquid-solids interface reaches the preferred level. Suspended Solids Density Meters - provide real-time readings & automate underflow pumps; available as a non-intrusive spool-piece or throw-in probe. Duckbill™ Automatic Composite Sampling System - moves samples up high lifts & over long runs, even in freezing temperatures; explosion-proof.