Fluke 2625A User Manual
Page 156
2620A/2625A
Users Manual
A-4
Temperature Measurements - Accuracy (Thermocouples) (ITS-90)
Thermocouple
Accuracy (±°C)*
18°C to 28°C
0°C to 60°C
Type
(°C)
Temperatur
e
(°C)
90 Days
Slow
1 Year
Slow
1 Year
Fast
1 Year
Slow
1 Year
Fast
-100 to -30
0.44
0.45
0.92
0.57
1.10
J
-30 to 150
0.41
0.43
0.83
0.61
1.06
150 to 760
0.48
0.53
0.98
0.92
1.42
-100 to -25
0.53
0.54
1.14
0.66
1.33
K
-25 to 120
0.46
0.48
0.96
0.66
1.19
120 to 1000
0.79
0.85
1.55
1.45
2.20
1000 to 1372
1.32
1.42
2.30
2.29
3.23
-100 to -25
0.63
0.64
1.44
0.75
1.61
N
-25 to 120
0.53
0.54
1.21
0.66
1.39
120 to 410
0.45
0.48
1.05
0.73
1.30
410 to 1300
0.88
0.95
1.70
1.63
2.41
-100 to -25
0.46
0.47
0.92
0.59
1.10
E
-25 to 350
0.39
0.42
0.77
0.65
1.02
350 to 650
0.47
0.51
0.90
0.88
1.30
650 to 1000
0.63
0.70
1.18
1.24
1.77
-150 to 0
0.68
0.69
1.49
0.82
1.71
T
0 to 120
0.45
0.46
0.95
0.59
1.13
120 to 400
0.37
0.39
0.80
0.61
1.02
250 to 400
0.86
0.88
2.49
1.03
2.68
R
400 to 1000
0.90
0.94
2.28
1.34
2.63
1000 to 1767
1.49
1.58
3.12
2.39
3.95
250 to 1000
1.00
1.05
2.68
1.47
2.93
S
1000 to 1400
1.22
1.29
2.74
1.86
3.33
1400 to 1767
1.66
1.76
3.54
2.61
4.43
600 to 1200
1.18
1.19
3.61
1.35
3.77
B
1200 to 1550
1.14
1.19
2.57
1.60
2.99
1550 to 1820
1.33
1.39
2.86
1.93
3.41
0 to 150
0.74
0.76
1.93
0.89
2.11
150 to 650
0.69
0.73
1.66
1.08
2.04
C
650 to 1000
0.89
0.95
2.00
1.48
2.57
1000 to 1800
1.72
1.85
3.46
2.99
4.65
1800 to 2316
2.60
2.82
5.35
4.80
7.40
* Sensor inaccuracies are not included.