Personal Daq User’s Manual
878595 General Information & Specifications 2-11
Temperature Specifications (one year, 15 to 35°C)
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)
Very
Slow
Slow Medium
50, 60 Hz
Rejection
Medium Fast Very Fast
-100 0.4 0.4 0.6 1.3 1.3 3.8
0 0.3 0.3 0.4 1.1 1.1 3
J
700 0.3 0.3 0.4 0.9 0.9 2.5
-100 0.5 0.5 0.7 1.8 1.8 5
0 0.4 0.4 0.6 1.4 1.4 3.9
K
600 0.4 0.4 0.6 1.3 1.3 3.7
-50 0.4 0.4 0.7 1.6 1.6 4.5
0 0.4 0.4 0.6 1.4 1.4 4
T
200 0.3 0.3 0.4 1 1 2.9
-100 0.3 0.3 0.5 1.2 1.2 3.4
0 0.3 0.3 0.4 0.9 0.9 2.6
E
500 0.2 0.2 0.3 0.7 0.7 1.9
400 1.5 1.5 2 5.2 5.2 14.8
700 1.3 1.3 2 4.6 4.6 13.1
R
1400 1.2 1.2 1.7 3.9 3.9 11
400 1.6 1.6 2 5.6 5.6 16
700 1.5 1.5 2 5.2 5.2 14.7
S
1400 1.3 1.3 2 4.6 4.6 12.8
700 2.2 2.2 3.3 7.9 7.9 13.7
B
1400 1.4 1.4 2 4.8 4.8 13.7
-100 0.7 0.7 1 2.6 2.6 7.3
0 0.6 0.6 0.8 2 2 5.9
N
700 0.4 0.4 0.6 1.4 1.4 4
*Note: Thermocouple accuracy excludes cold junction compensation error.
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