Hoffmann & Hoffmann is a water monitoring and control technologies company. Hoffmann & Hoffmann develops, produces and manufactures three main product lines: 1. The Dripmaster: the only automatic oil lubrication controller, designed to reduce maintenance costs and to increase the lifespan of vertical turbine pumps in water wells. 2. The Sandmaster: The only automatic, real time, inline, stand alone solution for monitoring and measuring sand and other particulate concentration in water lines. 3. Portable Sandmaster: automatic sand measurement unit for sand concentration in water.