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Rare Metal Thermocouples | Pyrosales

Pyrosales' Rare Metal Thermocouples are used in applications where the temperatures exceed the working range of Base Metal Thermocouples, i.e. 0-1300°C, or where greater accuracy is required such as in Standard Thermocouples, wire size is typically 0.5mm diameter.

Rare Metal Thermocouples | Pyrosales
PYROSALES (73 items)
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Max Temperature

                                                                                   Continuous    Intermittent
Type R Platinum / Platinum 13% Rhodium                      1400°C           1650°C
Type S Platinum / Platinum 10% Rhodium                      1400°C           1650°C
Type B Platinum 6% Rhodium / Platinum 30% Rhodium   1500°C           1800°C

Rare Metal Thermocouples require protection sheaths to avoid contamination from the process. The information below provides a selection guide for Base Metal thermocouple sheathing material. It covers only the most commonly supplied thermocouples.

Pyrosales specialises in "Made to Order" units and will quote against your specifications:

  • Metal Ceramic LT-1 -->1370°C Impervious – used in copper, brass and steel industry
  • Silicon Carbide SIC --> 1650°C Porous – used in aluminium industry
  • Aluminous Porcelain IAP --> 1500°C Impervious – general purpose furnace applications
  • Hexoloy® HEX --> 1650°C  Impervious – most corrosive/ erosive environments
  • Syalon ® SY --> 1150°C Impervious – used in aluminium industry
  • Mullite H5 1600°C Impervious – no free silica
  • Recrystallised Alumina RR -->1700°C Impervious – high purity (recommended)
  • Sillimanite SIL -->1650°C Porous – outer thermal shock protection

Note: LT-1, Sillimanite, Silicon Carbide, Hexoloy and Syalon require an inner impervious sheath. Specific details of each of the above are available on request.

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PYROSALES | Total Industrial Sensor Solutions
Pyrosales Pty Ltd is an Australian-owned company. We have developed an international reputation as a specialist manufacturer of standard and precision temperature measurement sensors. We are Australia's longest established and largest manufacturer of thermocouples and resistance temperature sensors, with operations in Sydney, Melbourne, and Brisbane. We are a leading exporter of temperature sensors to Asia, Southeast Asia, India, North and South America, Africa, Europe, and South Pacific. A dedicated team of people support Pyrosales. We design, custom-engineer, and market a comprehensive product range. Our expertise and capability allow us to service some of the world's leading companies in industries as diverse as glass, iron and steel, petrochemical, aluminium, power generation, food, plastics, and aerospace.
4 Wordie Place, Padstow, NSW
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