Agilent Technologies U2802A User Manual
Page 54
4
Product Specifications
44
Agilent U2802A 31-Channel Thermocouple Input User’s Guide
Table 4-2 U2802A measurement accuracy with U2355A, at 0 to 18 °C and 28 to 45 °C,
with different number of averaging points.
Thermocouple Measurements Accuracy
(U2355A @ 0 °C to 18 °C and 28 °C to 45 °C)
T/C
Type
ITS-90
Temperature
Range (°C)
Optimum
Measurement
Range(°C)
Without
averaging
(± °C)
50 points
averaging
(± °C)
500 points
averaging
(± °C)
Low
High
Low
High
B
0
1820
1100
1820
3.4
2.4
2.2
400
1100
7.5
3.6
2.2
E
–270
1000
–150
1000
2.7
2.6
2.5
–200
–150
3.8
3.6
3.6
J
–210
1200
–150
1200
2.5
2.4
2.4
–210
–150
4.2
4.0
3.9
K
–270
1372
–100
1200
2.9
2.8
2.8
–200
–100
4.3
4.0
3.9
N
–270
1300
–100
1300
2.6
2.5
2.5
–200
–100
4.9
4.2
4.0
R
–50
1768
300
1760
3.8
3.1
3.0
–50
300
8.5
4.6
3.3
S
–50
1768
400
1760
4.2
3.4
3.2
–50
400
7.7
4.2
3.1
T
–270
400
–100
400
2.4
2.2
2.2
–200
–100
4.3
4.0
3.9
U2802A_UG.book Page 44 Friday, November 25, 2011 10:57 AM