A leader in the manufacturing of temperature sensors for over 40 years.By relentlessly pursuing solutions for the marketplace, TCP has developed several significant innovations. Several of their "firsts" include: Subminiature thermocouple connectors and color coded ceramic connectors. TCP also designed and patented the exclusive "knife edge" design which is used in their "Tube-Temp" thermocouple. The Tube-Temp is the most accurate measurement device for fired heater and industrial boiler tubes on the market today.