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Resistance Thermometers

A temperature sensing device that changes resistance at a predetermined rate in response to changes in temperature. Platinum is commonly used in RTDs as well as copper and nickel. They can be wired in either 2, 3 or 4 wire configurations. Available as a PT100, PT250, PT500 and PT1000. The PT100 is the most common choice.

To learn and read more about RTDs as well as their applications, click here.

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Our Services

Product Development, Design, Consulting And Manufacture

Pyrosales can design and manufacture custom solutions for precision temperature measurement and process control applications.


Pyrosales frequently repair specialised temperature equipment. We are distributors of the highly trusted RKC® digital temperature controller devices.

Fire Survival MI Cable

Mineral-insulated (MI) cable is a specially constructed cable that can survive a fire. Capable of carrying current at temperatures more than 1000˚C.


We have a large selection of commercial and industrial temperature sensors, gauges, monitoring and control equipment, with superior quality.

QAS Certified

We have been assessed and approved by Australian and international quality management systems, standards and guidelines.


To achieve accurate readings from precision temperature sensors, gauges and measuring equipment. We provide accurate calibration and certificates.