Platinum Thermocouple R Type/ S Type

Platinum Thermocouple R Type/ S Type

Made from the finest platinum and platinum-rhodium alloy, these type R thermocouples and type S thermocouples cover a temperature range of 0 °C to 1450 °C with uncertainties as good as 0.15 °C over most of that range. With four different models for each type, we have two types of thermocouples which Platinum Thermocouple R Type and Platinum Thermocouple S Type to fit your application.

Platinum Thermocouple R Type/ S Type – Specifications
Range 0 °C to 1450 °C
Type Platinum/13 % Rhodium vs. platinum (type R)
Platinum/10 % Rhodium vs. platinum (type S)
Calibration Optional fixed point calibration uncertainties
(k=2): ± 0.15 °C up to 962 °C,
increasing linearly to ± 2.0 °C at 1450 °C
Hot Junction
Sheath Dimensions
6.35 mm (0.25 in) diameter;
see Ordering Information for lengths
Reference Junction Sheath Dimensions 4.8 mm dia. x 210 mm long (0.188 x 8.25 in)
Long-Term Stability ± 0.5 °C to 1100 °C
± 2.0 °C to 1450 °C (over one year depending on usage)
Short-Term Stabilities ± 0.2 °C to 1100 °C
± 0.6 °C to 1450 °C
Immersion At least 152 mm (6 in) recommended


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