IS200SRTDH1A is an RTD terminal board developed by GE under the Mark VIe series. It is a printed circuit board (PCB) designed by General Electric (GE) as part of the Mark VI series. The Mark VI is the most recent version of General Electric's Mark lineup. The Mark VI and other Mark series were created to manage and automate the processes of gas and steam turbine systems. These are used in a variety of industries all over the world.