Measurement Computing DaqBoard 3000USB Series User Manual
Page 98

7-4 DaqBoard/3000USB Series Specifications
928691
Note: Specifications are subject to change without notice.
TC Type
Temperature
Range (°C)
Accuracy
(±°C)
Noise,
Typical
(±°C)
J
-200 to
+760
1.7
0.2
K
-200 to
+1200
1.8
0.2
T
-200 to
+400
1.8
0.2
E
-270 to
+650
1.7
0.2
R
-50 to
+1768
4.8
1.5
S
-50 to
+1768
4.7
1.5
N
-270 to
+1300
2.7
0.3
B
+300 to
+1400
3.0
1.0
1
Assumes 16384 oversampling applied, CMV = 0.0V, 60 minute warm-up, still environment,
and 25°C ambient temperature; excludes thermocouple error; TC
IN
= 0°C for all types except
B (1000 °C), TR-2 for External Power.
0.01
0.1
1
-300
-200
-100
0
100
200
300
400
Measured Temperature (ºC)
N
o
ise i
n
ºC
, P
eak to
P
eak
Type T thermocouple
Lines represent theoretical noise
Symbols are measured data - 1000 samples with 60Hz
rejection enabled
16384
8291
4096
256
512
1024
2048
Voltage
Range*
Accuracy
±(% Reading + % Range)
23ºC ± 10°C, 1 year
Temperature Coefficient
± (ppm of Reading + ppm Range)/ºC
-30ºC to 13°C and 33ºC to 70ºC
Noise**
(cts RMS)
-10V
to
10V
0.031% + 0.008%
14 + 8
2.0
-5V
to
5V
0.031% + 0.009%
14 + 9
3.0
-2V
to
2V
0.031% + 0.010%
14 + 10
2.0
-1V
to
1V
0.031% + 0.02%
14 + 12
3.5
-500 mV
to
500 mV
0.031% + 0.04%
14 + 18
5.5
-200 mV
to
200 mV
0.036% + 0.05%
14 + 12
8.0
-100 mV
to
100 mV
0.042% + 0.10%
14 + 18
14.0
*
Specifications assume differential input single-channel scan, 1-MHz scan rate, unfiltered,
CMV=0.0V, 30 minute warm-up, exclusive of noise, range is -FS to +FS.
**
Noise reflects 10,000 samples at 1-MHz, typical, differential short.
TC Types and Accuracy
1
10
1.0
0.1