2680A/2686A
Users Manual
A-26
Table A-34. FAI Module Thermocouple Specifications (cont.)
Ac
°
C
Thermocouple
Resolution
18
°
C to 28
°
C -10
°
C to 60
°
C
ITS90
°
C
90 Day
1 Year
1 Year
Type Temperature
°
C
Slow Slow Fast Slow Fast
B
600 to 1200
2
3.60
3.90
8.50
4.00
8.60
1200 to 1550
2
2.10
2.40
5.00
2.60
5.20
1550 to 1820
1
2.00
2.30
4.70
2.70
5.00
C
0 to 150
2
1.90
2.00
4.00
2.10
4.20
150 to 650
1
1.60
1.70
3.50
1.80
3.60
650 to 1000
.5
1.40
1.70
3.20
2.00
3.50
1000 to 1800
.5
2.00
2.50
4.50
3.20
5.30
1800 to 2316
.5
3.10
3.80
6.80
5.10
8.10
T
-100 to 0
.4
1.10
1.20
2.20
1.30
2.30
0 to 150
.3
0.90
1.00
1.70
1.00
1.80
150 to 400
.2
0.70
0.80
1.40
0.80
1.50
U
-100 to 0
.4
2.00
2.10
4.30
2.20
4.60
0 to 600
.4
1.30
1.40
2.50
1.60
2.60
Thermistor
Accuracy
+
°
C
90 Day
1 Year
Temp
°
C
Range*
Slow Slow
-40 to 150
100 to 100 m
Ω
0.4
0.51
18
to
23
°
C
Steinhart – Hart Equation: 1/(T
o
Kelvin) = A + B*(ln
Ω
) + C*(ln
Ω
)
3
Default constants are supplied only for a YSI (type 004) 2,252
Ω
thermistor, you can enter
constants for other thermistors. The ranges of thermistor constants are as follows: A 1.0E-4 to
1.0E-2, B 1.0E-5 to 1.0E-3, and C 1.0E-8 to 1.0E-6.
* Assumes 4-wire measurement.
Summary of Contents for 2680A
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