HD2108/HD2128
- 29 -
V2.3
TOLERANCE CLASSES OF THERMOCOUPLES
Tolerances according to
IEC 60584-2
standard.
The values refer to thermocouples with
reference junction at 0 °C
.
Tolerance class 1
Tolerance class 2
Tolerance class 3
Type of
thermocouple
Temperature
range
(°C)
Tolerance
(°C)
Temperature
range
(°C)
Tolerance
(°C)
Temperature
range
(°C)
Tolerance
(°C)
B
--- ---
+600…+1700
± 0.0025
⋅
t
+600…+800
± 4
--- --- --- ---
+800…+1700
± 0.005
⋅
t
E
-40…+375
± 1.5
-40…+333
± 2.5
-167…+40
± 2.5
+375…+800
± 0.004
⋅
t
+333…+900
± 0.0075
⋅
t
-200…-167
± 0.015
⋅
t
J
-40…+375
± 1.5
-40…+333
± 2.5
---
---
+375…+750
± 0.004
⋅
t
+333…+750
± 0.0075
⋅
t
--- ---
K , N
-40…+375
± 1.5
-40…+333
± 2.5
-167…+40
± 2.5
+375…+1000 ± 0.004
⋅
t
+333…+1200 ± 0.0075
⋅
t
-200…-167
± 0.015
⋅
t
R , S
0…+1100
± 1
0…+600
± 1.5
---
---
+1100…+1600
± [1+0.003
⋅
(t-1100)]
+600…+1600 ± 0.0025
⋅
t
--- ---
T
-40…+125
± 0.5
-40…+133
± 1
-67…+40
± 1
+125…+350
± 0.004
⋅
t
+133…+350
± 0.0075
⋅
t
-200…-67
± 0.015
⋅
t
Note: t = temperature of measurement junction in °C.