DeltaOHM HD31, Operating Manual

Page: 123 / 154

HD31
- 123 -
V1.6
TOLERANCE CLASSES FOR THERMOCOUPLES
Tolerances according to IEC 60584-2 regulation.
The values refer to thermocouples with reference junction at 0 °C .
Class 1 Tolerance Class 2 Tolerance Class 3 Tolerance
Type of
thermo-
couple
Temperature
Interval (°C)
Tolerance
(°C)
Temperature
Interval (°C)
Tolerance
(°C)
Temperature
Interval (°C)
Tolerance
(°C)
--- --- +600…+1700 ± 0.0025 ⋅ t +600…+800 ± 4
B
--- --- --- --- +800…+1700
± 0.005 ⋅ t
-40…+375 ± 1.5 -40…+333 ± 2.5 -167…+40 ± 2.5
E
+375…+800
± 0.004 ⋅ t
+333…+900 ± 0.0075
⋅ t
-200…-167
± 0.015 ⋅ t
-40…+375 ± 1.5 -40…+333 ± 2.5 --- ---
J
+375…+750 ± 0.004 ⋅ t +333…+750 ± 0.0075 ⋅ t --- ---
-40…+375 ± 1.5 -40…+333 ± 2.5 -167…+40 ± 2.5
K , N
+375…+1000 ± 0.004 ⋅ t +333…+1200 ± 0.0075 ⋅ t -200…-167 ± 0.015 ⋅ t
0…+1100 ± 1 0…+600 ± 1.5 --- ---
R , S
+1100…+1600
± [1+0,003
⋅ (t-1100)]
+600…+1600 ± 0.0025
⋅ t
--- ---
-40…+125 ± 0.5 -40…+133 ± 1 -67…+40 ± 1
T
+125…+350
± 0.004 ⋅ t
+133…+350 ± 0.0075
⋅ t
-200…-67
± 0.015 ⋅ t
Note: t = measurement junction temperature in °C.
TYPE "K" THERMOCOUPLE SENSOR PROBES (CRHOMEL - ALUMEL) WITH HOT JUNCTION GROUNDED
CODE °C max
τ s
DIMENSIONS (mm) USE
TP 741 800 2s L =180 ∅ =1.5
TP 741/1 400 2s L =90 ∅ =1.5
TP 741/2 800 2s L =230 ∅ =1.5
TP 742 800 2s L =180 ∅ =2
TP 742/1 400 2s L =90 ∅ =2
TP 742/2 800 2s L =230 ∅ =2
TP 743 800 3s L =180 ∅ =3
TP 744 400 4s
TP 745 500 5s
TP 746 250 2s
TP 750
-196
+1000
3s L =500 ∅ =3
TP 750.0
-196
+800
3s L =300 ∅ =3