Temperature units
Type a value in any field and the other two units update.
°C
°F
K
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Explore practical insights, technical resources, application guidance and expert knowledge to help you select, specify and configure reliable temperature sensing and high-temperature connection solutions.
Technical documents, working calculators for unit conversion, Platinum RTDs and thermocouples, and a reference table of thermocouple element compositions.
Results update as you type. The Calculate buttons run the same calculation.
Type a value in any field and the other two units update.
Convert a temperature into the resistance of a Platinum RTD, with its tolerance.
Convert a sensing temperature into the voltage a thermocouple produces, referenced to 0 °C.
Cable supplied from outside Australia often uses a different colour coding system. Insulation colours identify the positive and negative conductors, so use this chart to tell existing cable from new and to connect each wire correctly. A wrong connection gives an incorrect temperature reading. Includes the current IEC colour codes.
Colour codes follow the ANSI MC96.1 and IEC 60584-3 standards. Confirm against your cable supplier’s data sheet before connecting.
Approximate composition of each conductor, in percent.
Swipe sideways to see all columns.
| Element | Positive (+) Conductors | Negative (−) Conductors | |||||||
|---|---|---|---|---|---|---|---|---|---|
| J | T | K, E | N | RX / SX | J, T, E | K | N | RX / SX | |
| Iron | 99+ | ||||||||
| Manganese | 1 | 2 | 2 | ||||||
| Silicon | 1.5 | 1.5 | 4 | ||||||
| Nickel | 90 | 84 | 44 | 94 | 95 | 3 | |||
| Copper | 100 | 100 | 55 | 95 | |||||
| Chromium | 10 | 14 | |||||||
| Aluminum | 2 | ||||||||
| Magnesium | 0.15 | ||||||||
| Magnetic | Y | N | N | N | N | N | Y | Y* | N |