Corrosion-resistant, mechanically robust and providing long-term stability

Mineral insulated RTD cable with nickel conductors

Mineral insulated RTD cable with nickel conductors is used for temperature measurement up to 600°C. Nickel conductors have a higher annealing temperature, making them suitable for high-temperature applications. Kamet supplies nickel conductor MI RTD cable manufactured by Okazaki in various sheath materials, diameters and conductor configurations.

Nickel conductor MI RTD cable specifications

Specification Nickel conductor MI RTD cable
Conductor material Nickel
Maximum stated measurement temperature 600°C
Standard sheath materials AISI 316L, AISI 316Ti, AISI 321 and Inconel 600
Available conductor pairs 2, 3, 4, 6 or 8, depending on configuration
Conductor spacing Normal or wide, depending on configuration
Stock diameters 1.00–8.00 mm for selected configurations
Manufacturer Okazaki
Certificate Material 3.1 certificate
Supply form Coils or straight lengths
Standard wall thickness Min. 10% of cable diameter
Minimum bending radius 2× sheath diameter

Why use nickel conductors in MI RTD cable?

Nickel conductors are suitable for higher-temperature RTD cable applications because of their higher annealing temperature. Kamet’s nickel conductor MI RTD cable is used for temperature measurements up to 600°C and is available in mechanically robust and corrosion-resistant configurations for demanding environments.

Available nickel MI RTD cable sheath materials, diameters and conductor pairs

For the complete range of standard stock and custom made Nickel RTD cable possibilities, visit our overview page.

Conductor Sheath material OD’s on stock (mm) Pair Spacing On stock
Nickel AISI316L ODs between 1.00 – 8.00 2,3,4,6,8 Normal and wide Yes Send inquiry
Nickel AISI316Ti 6.00 mm 4 Normal Yes Send inquiry
Nickel AISI321 ODs between 1.00 – 8.00 3,4,6,8 Normal and wide Yes Send inquiry
Nickel Inconel600 ODs between 2.80 and 3.25 2,4 Normal and wide Yes Send inquiry

How can we help you today?

Request a quotation for the mineral insulated RTD cable you need for your sensor.

Specifications of Okazaki nickel conductor MI RTD cable

  • By Japanese manufacturer Okazaki, made with Japanese and European sourced materials
  • Supplied with a material 3.1 certificate
  • Suitable for high-temperature applications
  • Corrosion-resistant and mechanically robust applications
  • Providing long-term stability and reliability in harsh environments
  • Provided in coiled form but can be ordered as straight lengths, which may show a slight curvature.
  • The wall thickness is typically a minimum of 10% of the cable’s diameter.
  • Flexible enough to bend around a mandrel with a radius at least twice the sheath diameter, maintaining sheath integrity and insulation resistance.
  • The sheath allows for welding, brazing, or soldering without affecting insulation resistance, provided standard precautions are observed for the specific metals and thicknesses.
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Nickel conductor MI RTD cable supplied by Kamet

We offer standard cables in stock for immediate delivery. For non-stock items, the delivery time ranges from 10 to 18 weeks. All these cables are typically delivered in whole coils, with lengths varying based on diameter and sheath materials. Custom lengths and diameters are available.

Our digital customer portal provides 24/7 access to our inventory, prices, and sales documentation, making it easy to do business with us.

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AerOpak MI RTD cable specs – Reversed mounted

OD (mm) Tolerance  (mm) Wall thickness  (mm) Conductor diameter  (mm) Distance between wires  (mm) Resistance (Ω/m) m/Coil
9.00 +/- 0.05 0.90 0.90 3.10 0.50 20
8.00 +/- 0.05 0.80 0.80 2.70 0.50 25
6.40 +/- 0.05 0.64 0.64 2.20 0.50 39
6.00 +/- 0.05 0.60 0.55 2.08 0.50 45
4.80 +/- 0.05 0.48 0.48 1.70 0.70 70
4.50 +/- 0.05 0.45 0.40 1.65 0.70 80
3.20 +/- 0.05 0.32 0.32 1.00 1.40 159
3.00 +/- 0.05 0.30 0.26 1.00 1.40 181

AerOpak MI RTD cable specs – Top mounted

OD (mm) Tolerance  (mm) Wall thickness  (mm) Conductor diameter  (mm) Distance between wires  (mm) Resistance (Ω/m) m/Coil
12.70 +/- 0.05 1.27 1.90 0.70 0.15 20
9.00 +/- 0.05 0.90 1.35 0.70 0.20 40
8.00 +/- 0.05 0.80 1.20 0.13 0.25 51
6.40 +/- 0.05 0.64 0.96 0.16 0.35 80
6.00 +/- 0.05 0.60 0.90 0.20 0.42 91
4.80 +/- 0.05 0.48 0.74 0.28 0.65 142
4.50 +/- 0.05 0.45 0.67 0.35 0.75 162
3.20 +/- 0.05 0.32 0.48 0.50 1.47 166
3.00 +/- 0.05 0.30 0.45 0.60 1.70 189

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