©
National Instruments Corp.
11
NI 9237E Operating Instructions and Specifications
source of gain error. The NI 9237E includes remote sensing to
compensate for this gain error. Connect remote sense wires to the
points where the excitation voltage wires connect to the bridge
circuit. Refer to Figure 5 for an illustration of how to connect
remote sense wires to the NI 9237E.
Figure 5.
Connecting Remote Sense Wires to the NI 9237E
EX+
EX–
RS+
RS–
R bridge
R lead
R lead
R bridge
R bridge
R bridge
NI 9237E
AI–
AI+