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U2352A Datasheet(PDF) 21 Page - Keysight Technologies

Part No. U2352A
Description  USB Modular Multifunction Data Acquisition Devices
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Maker  KEYSIGHT [Keysight Technologies]
Homepage  http://www.keysight.com
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U2352A Datasheet(HTML) 21 Page - Keysight Technologies

 
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System accuracy specifications
The U2802A system accuracy specifications are shown in Table 1, Table 2, and Table 3. These measurements are derived from
the U2802A and DAQ input accuracy specifications without including the thermocouple error. Refer to “Calculating System
Accuracy” section in the Keysight U2802A 31-Channel Thermocouple Input Device User’s Guide for calculation methodology.
Table 1. Measurement accuracy of the U2355A and U2356A at 23 °C ± 5 °C
Thermocouple measurement accuracy (U2355A, U2356A at 23 °C ± 5 °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
1.9
1.2
1.0
400
1100
4.4
2.5
2.0
E
–270
1000
–150
1000
1.7
1.6
1.6
–200
–150
2.4
2.3
2.3
J
–210
1200
–150
1200
1.6
1.5
1.5
–210
–150
2.7
2.6
2.5
K
–270
1372
–100
1200
1.5
1.4
1.4
–200
–100
2.7
2.6
2.6
N
–270
1300
–100
1300
1.5
1.3
1.3
–200
–100
3.0
2.7
2.6
R
–50
1768
300
1760
2.0
1.4
1.3
–50
300
5.0
3.1
2.6
S
–50
1768
400
1760
2.1
1.6
1.4
–50
400
4.5
2.8
2.4
T
–270
400
–100
400
1.5
1.4
1.4
–200
–100
2.7
2.5
2.5
Table 2. Measurement accuracy of the U2355A at 0 to 18 °C and 28 to 45 °C
Thermocouple measurement accuracy (U2355A at 0 to 18 °C and 28 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
4.3
3.9


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