Thermocouple Color Codes Chart
Thermocouple color codes are essential for correct wiring and accurate temperature measurement in industrial systems. This guide explains standard thermocouple color coding, RTD identification, and their applications in vacuum furnaces and heat treatment processes.
What Are Thermocouple Color Codes?
Thermocouple wires are color-coded to identify positive and negative conductors. These standards help technicians correctly connect sensors and avoid measurement errors in high-temperature environments.
Common Thermocouple Types
- Type K – Most widely used in industrial applications
- Type J – Used for lower temperature ranges
- Type T – Suitable for cryogenic applications
- RTD Sensors – High accuracy temperature measurement
Industrial Applications
Thermocouples are used in vacuum furnaces, heat treatment plants, aerospace manufacturing, automotive industries, and energy systems where precise temperature monitoring is critical.
Related Services
Explore our thermocouple manufacturing division and heat treatment services.
