Badger Meter”sM-4000 electromagnetic flowmeter utilizesmicroprocessor-based signal conversion to produce flow accuracies of+/- 0.25 percent or better. A selection of optional liner andelectrode materials insures maximum compatibility and minimummaintenance. A Factory Mutual approved Class I Div 1 hazardousarea version is available from _” to 12 inches (DN6 – DN300). Applicationsinclude industrial liquids and process control.