Appendix B
5B Series Module Data Sheets
©
National Instruments Corporation
B-31
SC-2311 User Manual
Input Type
Strain Gage: Full-Bridge/Half-Bridge
Output Ranges
-5 V to +5 V
5B38 Specifications
Description
Model 5B38 Full Bridge
Model 5B38 Half Bridge
Input Ranges
Standard Ranges
±20 mV (2 mV/V Sensitivity)
±30 mV (3 mV/V Sensitivity)
±30 mV (3 mV/V
Sensitivity)
Custom Ranges
±10 mV to ±500 mV
*
Output Ranges (R
L
> 50 k
)
-5 V to +5 V
*
Accuracy
2
Initial @ +25˚C
±0.08% Span ±10 µV RTI
±0.08% Span ±1 mV RTI
Nonlinearity
±0.02% Span
*
Input Offset vs. Temperature
±1 µV/˚C
*
Output Offset vs. Temperature
±40 µV/˚C
*
Gain vs. Temperature
±25 ppm of Reading/˚C
*
Excitation Voltage Output @ full
load
+10 V ±3 mV
*
Load Range
10 k
, minimum; 300
,
maximum
*
Load Regulation
±5 ppm/mA
*
vs. Temperature
±15 ppm/˚C
*
Half Bridge Voltage Level
N/A
+5 V ±1 mV
Half Bridge Voltage vs. Temperature N/A
±15 ppm/˚C
Input Bias Current
±3 nA
*
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