The Tc-4 Plus Is 4 Channel Type-K Thermocouple Amplifier Device That Can Be Used A Stand-Alone System Or As Part Of A Mts (Modular Tuning System). The Tc-4 Plus Includes A Digital Input/Output, 4 Full-Programmable Analog Outputs, And Is Ideal For Applications Such As Dynamometers, Data Acquisition Systems, Or Standalone Ecus. The Tc-4 Is Also A Key Component Of Innovate Motorsports Modular Tuning System (Mts). Using The Tc-4 Pluss Serial Ports You Can Daisy-Chain Other Innovate Devices Such As The Mtx-L, Lm-2, Lc-2, And Ssi-4 Plus.