Thermocouples for the plastics industry are used mainly but not limited to the temperature measurement of injection molding machines, extrusion equipment, thermoforming and blow molding devices. This type of thermocouple typically employs a 1/8″ NPT fitting utilizing a compression fitting or bayonet adapter. Temperature ratings are a maximum of 800°F (427°C).
Sheath material is usually 304 or 316SS.