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The melt-bolt thermocouple illustrated below is made of 300 series stainless steel and is constructed using a fiberglass insulated element. This style of thermocouple is used on extruders and injection molding machines to directly measure the melt temperature of plastic as it moves down the extruder barrel.
Unit of Measure

Specifications

Brands

 N/A Pyromation®

Configuration Code

 N/A PL05

Materials

 N/A Fiberglass

Thermocouple Type

 N/A Code JFMB2 - Single Code JFMB3 - Single Code JJFMB3 - Duplex

Note for Other Element Types

 N/A For type E, K, or T thermocouples, replace J in order code with required letter designation.

Tip Outer Diameter (OD) (Dimension D)

 N/A Code JFMB2 (Single) - 1/8 inCode JFMB3 (Single) - 3/16 inCode JJFMB3 (Duplex) - 3/16 in
Bolt Length1 N/A Code 3 - 3 inCode 4 - 4 inCode 6 - 6 in
Tip Length2 N/A Code 00 - Flush inCode 02 - 1/8 inCode 04 - 1/4 inCode 08 - 1/2 inCode 12 - 3/4 inCode 16 - 1 in

Junction

 N/A Grounded junctions supplied as standard. Insert 'U' only when requiring an ungrounded junction.

Extension Leadwire "B"

 N/A Code 000 - No Leadwire, Connector Attached Sheath Code F1A - Fiberglass Insulation - Solid Conductor - Flexible Armor Code F3A - Fiberglass Insulation - Stranded Conductor - Flexible Armor

Terminations

 N/A Code 2 - 2 in. split leads, 1/4 in. stripped Code 3 - 2 in. split leads with spade lugs Code 4 - Standard plug Code 5 - Standard jack Code 6 - Miniature plug Code 7 - Miniature jack

Intended Applications

 N/A Plastics

Options

Options

 N/A MC - Mating connector

Note

Note

 N/A Insert 3 Digit "B" Length in Inches. EX: F1A012=12" "B" Length; for Assemblies Requiring Other than the Standard 6" "C" Dimension, Insert 3 Digit "C" Length in Inches after "B" Dimension. EX: F1A036-012=36" "B" Length with Additional 12" "C" Length.
  • 1 Consult factory for other lengths.
  • 2 Consult factory for other lengths.