Spark Plug Thermocouples

also measure surface temperature, but are bolted to molds, platens and nozzles. They are often connected in parallel with another thermocouple to control at an average temperature. An example would be the connection of a ring thermocouple, measuring the surface temperature of the barrel, and a bayonet thermocouple, measuring deep inside the barrel’s wall. The resulting reading would enable closer control for a more uniform temperature of the plastic melt. Note that the connected thermocouples must be of the same type and resistance.

SPECIFICATIONS:

• Standard TC’s Have 3/16” Diameter Tip (1/8” also available)
• Type “J” (Iron/Constantan™), 20-gauge Solid Wire, Single Element, Grounded. For Duplex (4-Wire), insert “4” for option 1
• Rated for Service to 900°F Maximum Temperature

How To Order, choose from our standard thermocouples; or select other lead lengths, wire options, and/or terminations

SP Series - Spark Plug Thermocouples