The TC-4 PLUS includes the TC-4 PLUS, Serial Program Cable, Molex to Molex Patch Cable (to daisy chain with other MTS compatible devices), and manual. P/N 3915 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. K-Type thermocouple amplifier that adds 4 temperature inputs to an MTS Log Chain Temperature range 32-1999 deg F, 0- 1093 deg C 4-Configurable linear 0-5V analog outputs (one per input) The TC-4 PLUS can be used to measure other temperature metrics such as intercooler inlet, outlet temperature and catalytic converter