Measuring Accuracy For Thermocouples - Siemens SITRANS TS100 Compact Operating Instructions

8.5

Measuring accuracy for thermocouples

Tolerance classes
The tolerance classes of the thermocouples are defined in the following table in accordance
with IEC 584/DIN EN 60584:
Catalog versions
Type
N
333 °C ... 1100 °C ±0.0075x|t[°C]|
(631 °F ... 2012 °F ±0.0075x|t[°F]-32|)
K
333 °C ... 1000 °C ±0.0075x|t[°C]|
(631 °F ... 1832 °F ±0.0075x|t[°F]-32|)
J
333 °C ... 750 °C ±0.0075x|t[°C]|
(631 °F ... 1382 °F ±0.0075x|t[°F]-32|)
Further base thermocouples
Type
T
133 °C ... 350 °C ±0.0075x|t[°C]|
(271 °F ... 662 °F ±0.0075x|t[°F]-32|)
E
333 °C ... 900 °C ±0.0075x|t[°C]|
(631 °F ... 1652 °F ±0.0075x|t[°F]-32|)
Further noble thermocouples
Type
R,S
600 °C ... 1600 °C ±0.0025x|t[°C]|
(1112 °F ... 2912 °F ±0.0025x|t[°F]-32|)
B 600 °C ... 1700 °C ±0.0025x|t[°C]|
(1112 °F ... 3092 °F ±0.0025x|t[°F]-32|)
TS100/TS200/TS300/TS500/TSinsert/TSthermowell
Compact Operating Instructions, 01/2018, A5E03920348-AE
Basic accuracy, Class 2
-40 °C ... +333 °C ±2.5 °C
(-40 °F ... +631 °F ±4.5 °F)
-40 °C ... +333 °C ±2.5°C
(-40 °F... +631 °F ±4.5 °F)
-40 °C ... +333 °C ±2.5 °C
(-40 °F ... +631 °F ±4.5 °F)
Basic accuracy, Class 2
-40 °C ... +133 °C ±1 °C
(-40 °F ... +271 °F ±1.8 °F)
-40 °C ... +333 °C ±2.5°C
(-40 °F... +631 °F ±4.5 °F)
Basic accuracy, Class 2
0 °C ... 600 °C ±1.5 °C
(32 °F ... +1112 °F ±2.7 °F)
8.5 Measuring accuracy for thermocouples
Increased accuracy, Class 1
-40 °C ... +375 °C ±1.5 °C
(-40 °F ... +707 °F ±2.7 °F)
375 °C ... 1000 °C ±0.004x|t[°C]|
(707 °F ... 1832 °F ±0.004x|t[°F]-32|)
-40 °C ... +375 °C ±1.5 °C
(-40 °F... +707 °F ±2.7 °F)
375 °C ... 1000 °C ±0.004x|t[°C]|
(707 °F ... 1832 °F ±0.004x|t[°F]-32|)
-40 °C ... +375 °C ±1.5 °C
(-40 °F ... +707 °F ±2.7 °F)
375 °C ... 750 °C ±0.004x|t[°C]|
(707 °F ... 1382 °F ±0.004x|t[°F]-32|)
Increased accuracy, Class 1
-40 °C ... +125 °C ±0.5 °C
(-40 °F ... +257 °F ±0.9 °F)
125 °C ... 350 °C ±0.004x|t[°C]|
(257 °F ... 662 °F ±0.004x|t[°F]-32|)
-40 °C ... +375 °C ±1.5 °C
(-40 °F... +707 °F ±2.7 °F)
375 °C ... 800 °C ±0.004x|t[°C]|
(707 °F ... 1472 °F ±0.004x|t[°F]-32|)
Increased accuracy, Class 1
0 °C ... 1100 °C ±1 °C
(32 °F ... +2012 °F ±1.8 °F)
1100 °C ... 1600 °C ±[1 + 0.003 x(t -1100)] °C
(2012 °F ... 2912 °F ±1,8+0,003x(t[°F]-2012)
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Technical data
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