Constantan conductors

Temperature measurements up to 650°C.

Mineral insulated RTD cable with constantan conductors is a perfect choice for temperature measurements up to 650°C. Constantan conductors have a very stable resistance for a wide temperature range since it is a copper-nickel alloy. These cables are available in the following sheath materials;

  • AISI 304 – 1.4301
  • AISI316(l) – 1.4401/1.4404
  • AISI316Ti – 1.4571
  • AISI321 – 1.4541
  • Inconel 600 – 2.4816

Learn more about the difference between these sheath materials.

Furthermore Okazaki mineral insulated RTD cable with constantan conductors are;

  • available in diameters ranging from 3.0mm to 8.0mm
  • available in normal spaced and wide-spaced execution
  • available with 3, 4 and 6 conductors
  • supplied with a material 3.1 certificate

For the complete range of standard stock and custom made Copper RTD cable possibilities, visit our overview page. On this page you will also find estimated coil lengths and delivery times.

AerOpak MI RTD cable specs – Type A cable – Reversed mounted

OD (mm)Tolerance  (mm) Wall thickness  (mm) Conductor diameter (mm) Distance between wires  (mm) Resistance (Ω/m) m/Coil
9.00+/- 0.050.900.903.100.5020
8.00+/- 0.050.800.802.700.5025
6.40+/- 0.050.640.642.200.5039
6.00+/- 0.050.600.552.080.5045
4.80+/- 0.050.480.481.700.7070
4.50+/- 0.050.450.401.650.7080
3.20+/- 0.050.320.321.001.40159
3.00+/- 0.050.300.261.001.40181

AerOpak MI RTD cable specs – Type J cable – Top mounted

OD (mm) Tolerance  (mm) Wall thickness  (mm) Conductor diameter (mm)  Distance between wires  (mm) Resistance (Ω/m) m/Coil
12.70+/- 0.051.271.900.700.1520
9.00+/- 0.050.901.350.700.2040
8.00+/- 0.050.801.200.130.2551
6.40+/- 0.050.640.960.160.3580
6.00+/- 0.050.600.900.200.4291
4.80+/- 0.050.480.740.280.65142
4.50+/- 0.050.450.670.350.75162
3.20+/- 0.050.320.480.501.47166
3.00+/- 0.050.300.450.601.70189

Get an offer today!

We have a large range of cable in stock and offer quick delivery with a tracking service. Do you have any further questions? Please let us know and our specialists will be happy to advise you.


Other products in this category
Overview of Mineral insulated RTD cables Kamet Trading can supplyCopper conductorsNickel conductorsInconel 600 conductors