National Instruments NI 9234 - Manual (Page 12)

NI 9234 Operating Instructions and Specifications 12 ni.com
Figure 5. Measurement Error Introduced by Common-Mode Bias Current
The NI 9234 also has TEDS circuitry. For more information about
TEDS, go to
ni.com/info and enter rdteds .
NI 9234
AI+
AI–
+
–
Signal
Source
AI– Lead
Impedance
Common
Mode
Bias
Current