Introduction: B/W Controls is a brand of AMETEK Drexelbrook Limited. The company is renowned worldwide in the field of level measurement technology. Its industries are spread throughout (including chemical, petrochemical, refining, power, water and wastewater, food, pharmaceuticals, pulp and paper, mining, automotive, and many other industries). Provides a wide range of sensor product lines for point level and continuous level control. The black and white control uses the same advanced magnetostrictive technology as Gemco products, which can provide high accuracy and reliability for continuous liquid level measurement. Continuous liquid level sensors are used in industries such as chemical processing, food and beverage, pharmaceuticals, and petroleum. Point Level is used for municipal water supply and wastewater treatment. The advantages of conductivity control over mechanical control include fewer mechanical problems, easy installation, and operational efficiency that is not affected by pressure changes; AMETEK Drexelbrook official website: www.drexelbrook.com.