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Type R Thermocouple - Technical Information



Type R - Platinum-13% Rhodium vs Platinum, IEC 60584-1

Thermocouple Type R is similar to the Type S combination, this thermocouple has the advantage of slightly higher output and improved stability. In general Type R thermocouples are preferred over Type S, and applications covered are broadly identical.

Type R Thermocouples - Typical Constructions and Styles

Type R Mineral Insulated
Thermocouples
Mineral Insulated Type R ThermocouplesRugged sensors, ideal for most applications. Vast choice of terminations e.g. pot seals, cables, connectors, heads etc.
Type R Thermocouples for use in Vacuum Applications Type R Thermocouples for Vaccum use Ceramic sheathed calibrated thermocouples designed specifically in vacuum furnace applications with very low leak rates Type R Miniature
Thermocouples
iniature Type R ThermocouplesIdeal for precision temperature measurements where minimal displacement and a fast response is required.
Type R Heavy Duty
Thermocouples
Heavy Duty Type R ThermocouplesFor industrial applications such as furnaces, kilns, ovens, boliers, flues etc. Many types of sheath material available.
ATEX/IECEx Approved
Type R Thermocouples
ATEX Approved Type R ThermocouplesA large range of thermocouples with a variety of terminations such as pot seal, terminal heads etc.

Type R - Technical Data

Conductor Combination Approximate generated
EMF change in µV
per ºC change
(referenced to 0ºC) at:
Approximate Working
Temperature Range
Thermocouple Output Tolerances
to IEC 60584-1
+ Leg - Leg 100ºC 500ºC 1000ºC Continuous Short Term Type Class 1 Class 2 Class 3
PLATINUM - 13% RHODIUM
PLATINUM
8 10 13 0 to +1600ºC -50 to +1700ºC Temperature Range
Tolerance Value
Temperature Range
Tolerance Value
0°C to +1100°C
±1.0°C
1100°C to 1600°C
±(1 +0.003 (t ⋅ 1100)°C
0°C to +600°C
±1.5°C
600°C to 1600°C
±0.0025 ⋅ [t]



1. The tolerance is expressed either as a deviation in degrees Celsius or as a function of the actual temperature.
2. Thermocouple materials are normally supplied to meet the tolerances specified in the table for temperatures above –40 deg C. These materials however, may not fall within the tolerances for low temperatures given under Class 3 for Types T, E and K thermocouples. If thermocouples are required to meet limits of Class 3, as well as those of Class 1 and/or Class 2, the purchaser should state this, as selection of materials is usually required.

Cable Colour Codes for Type R Thermocouples

International Colour Code
to IEC 60584-3
BS 1843ANSI/MC96.1DIN 43714NFC 42324
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© 1998- TC Ltd., PO Box 130, Uxbridge, UB8 2YS, United Kingdom.
Tel.: 01895252222, Fax: 01895 273540, Email: info@tc.co.uk