PP Series transmitters are a family of plug-in type transmitters, set in a standard DIN 19″ rack mounting or in an independent unit/enclosure according to user application. Each plug-in unit is designed & divided into two parts: input terminal module & converting module.
Model SM series are potentiometer setting meter relays with dual Hi & Lo settings. The setters are multi-turn resistive potentiometers as pre-set buffers which settings are able to be read directly in display for switch selection. The input functions of the units are of wide varieties & ranges, including many parameters of industry process and power system as DCV, ACV, DCA, ACA, DC rate, and temperature.