Omega OMB-DAQ-54 User Manual page 32

Temperature Specifications
Note: All temperature specifications assume unit is held in relatively still air environment.
Thermocouple Types: J, K, T, E, R, S, B, N
Cold-Junction Compensation Accuracy:
Personal Daq/54: ±0.7°C
Personal Daq/55: ±0.5°C
Personal Daq/56: ±0.5°C
Thermocouple Accuracy
In Personal Daq applications, thermocouples should not be connected
single-ended. Doing so can result in noise and false readings. This is
especially true when acquiring other high-amplitude signals in conjunction
with thermocouple signals that are connected single-ended.
Thermocouple Accuracy (°C) for Personal Daq/54, /55, and /56 *
TC Type Temp.
(°C)
-100
J
0
700
-100
K
0
600
-50
T
0
200
-100
E
0
500
400
R
700
1400
400
S
700
1400
700
B
1400
-100
N
0
700
*Note: Thermocouple accuracy excludes cold junction compensation error.
Personal Daq User's Manual
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(one year, 15 to 35°C)
Very Slow Medium
Slow
50, 60 Hz
Rejection
0.4 0.4 0.6
0.3 0.3 0.4
0.3 0.3 0.4
0.5 0.5 0.7
0.4 0.4 0.6
0.4 0.4 0.6
0.4 0.4 0.7
0.4 0.4 0.6
0.3 0.3 0.4
0.3 0.3 0.5
0.3 0.3 0.4
0.2 0.2 0.3
1.5 1.5 2
1.3 1.3 2
1.2 1.2 1.7
1.6 1.6 2
1.5 1.5 2
1.3 1.3 2
2.2 2.2 3.3
1.4 1.4 2
0.7 0.7 1
0.6 0.6 0.8
0.4 0.4 0.6
878595
Medium Fast Very Fast
1.3 1.3 3.8
1.1 1.1 3
0.9 0.9 2.5
1.8 1.8 5
1.4 1.4 3.9
1.3 1.3 3.7
1.6 1.6 4.5
1.4 1.4 4
1 1 2.9
1.2 1.2 3.4
0.9 0.9 2.6
0.7 0.7 1.9
5.2 5.2 14.8
4.6 4.6 13.1
3.9 3.9 11
5.6 5.6 16
5.2 5.2 14.7
4.6 4.6 12.8
7.9 7.9 13.7
4.8 4.8 13.7
2.6 2.6 7.3
2 2 5.9
1.4 1.4 4
General Information & Specifications 2-11