Forbes Marshall offers a new range of Smart Positioner, Series 8400S. This is a Smart two-wire device that uses a 4-20mA signal input as its set point, deriving its power from the same. Forbes Marshall Manuals This particular Forbes Marshall Manuals PDF start with Introduction, Brief Session till the Index/Glossary page, look at the table of content for additional information, when presented. It's going to focus on mostly about the above subject together with additional information associated with it. Forbes Marshall Private Limited For over half a century, Forbes Marshall has been building steam engineering and control instrumentation solutions that work for process industry. The company goal is to provide solutions in Energy, Efficiency and Process Automation, using the best technology the world has to offer. For over six decades, Forbes Marshall has been building steam engineering and control instrumentation solutions that work for process industry. Today we have