14-2
IM 2553A-01EN
Resistance Source
Range
Source Range
Resolution
Excitation Current
400 Ω
18.00 Ω to 400.00 Ω
0.01 Ω
0.5 mA to 2 mA
Range
Stability (1h)
1
±(ppm of s Ω)
Accuracy (180 days)
2
±(ppm of s Ω)
Accuracy (1 year)
2
±(ppm of s Ω)
Temperature Coefficient
±Ω/°C
400 Ω
5 + 0.005
55 + 0.015
75 + 0.015
0.002
1 Specifications under standard operating conditions but at an ambient temperature of 23°C±1°C and excitation current of 1 mA.
2 Specifications under standard operating conditions. If the ambient temperature is between 5°C to 18°C or 28°C to 40°C, add
the temperature coefficient compensation to the accuracy.
Thermocouple Thermoelectromotive Force Source
The 2553A sources thermoelectromotive force that corresponds to the specified temperature.
Type
Source Range
Resolution
Output Resistance
R
-50°C to +1768°C
0.1°C
Approx. 1 Ω
S
-50°C to +1768°C
0.1°C
Approx. 1 Ω
B
0°C to +1820°C
0.1°C
Approx. 1 Ω
J
-210°C to +1200°C
0.1°C
Approx. 1 Ω
T
-270°C to +400°C
0.1°C
Approx. 1 Ω
E
-270°C to +1000°C
0.1°C
Approx. 1 Ω
K
-270°C to +1300°C
0.1°C
Approx. 1 Ω
N
-270°C to +1300°C
0.1°C
Approx. 1 Ω
C
0°C to +2315°C
0.1°C
Approx. 1 Ω
A
0°C to +2500°C
0.1°C
Approx. 1 Ω
TC USER
(user-defined)
-9999.9°C to +9999.9°C
0.1°C
Approx. 1 Ω
Compliant thermocouple standards
JIS C1602
R, S, B, J, T, E, K, N
IEC 60584-1
R, S, B, J, T, E, K, N, C, A
Accuracies are shown in the following table.
Type
Set Temperature
°C
Stability (1h)
1
±°C
Accuracy (1 year)
2
±°C
Temp. Coefficient
±(×10
-
3
°C)/°C
RJC Error
3
±°C
R
-50
0.50
1.10
0.88
0.56
0
0.30
0.80
0.00
0.41
100
0.25
0.55
0.88
0.28
600
0.15
0.40
3.40
0.19
1600
0.15
0.40
8.52
0.16
1768
0.20
0.45
8.69
0.18
S
-50
0.40
1.03
0.93
0.52
0
0.30
0.75
0.00
0.38
100
0.25
0.56
0.90
0.28
400
0.20
0.47
3.43
0.22
1600
0.20
0.44
8.54
0.18
1768
0.20
0.51
10.46
0.20
B
400
0.40
1.00
0.90
0.04
600
0.30
0.70
1.75
0.03
1000
0.20
0.50
3.40
0.02
1200
0.20
0.44
4.27
0.02
1820
0.20
0.44
6.91
0.02
J
-210
0.10
0.25
2.83
0.84
-100
0.05
0.11
0.86
0.40
0
0.05
0.08
0.00
0.32
1200
0.10
0.15
6.68
0.29
T
-250
0.30
0.72
5.98
2.13
-200
0.15
0.29
2.55
0.86
-100
0.10
0.16
0.86
0.50
100
0.05
0.10
0.85
0.30
400
0.05
0.09
1.92
0.22
14.1 Source Section