C317 Multipoint Thermocouple

Part no. ENQUIRE

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9 point multipoint thermocouple. The C317 is the most common choice for a multipoint thermocouple. It has a common conductor single positive (+) conductor as the centre conductor and multiple negative (-) conductors are placed around it. Pyrosales custom design and manufacture multipoint thermocouples to suit customer requirements. They are reliable and sturdy measurement sensors and area available in types K, J, E, T and N.

SPECIFICATIONS

  • Sheath diameter: 0.500” +/- 0.005”
  • Wall thickness:  0.070” minimum
  • Wire diameter: 20AWG
  • Insulation resistance 1,000 MW at 500VDC
  • Compacted MgO ceramic insulation – high purity 99.4% minimum
  • Purity as per ASTM E-1652 Table 2
  • Ungrounded, uncommon junction
  • Locations may be marked with either electro etch, or weld bead
  • All junctions may be located on one side of the sheath
  • Protection sheath and thermocouple wires are fully solution annealed after reduction operation
  • Sheath is polished for maximum corrosion resistance

SHEATH ALLOYS

  • ‘Inconel’ Alloy 600, ‘Hastelloy’ Alloy X, or C276
  • Stainless steels 304/304L, 310, 316/316L, 321, 347
  • Other alloys are available upon request