dashed code when the bridge is configured so the output increases with increasing strain. A
dashed code sets the polarity of V
r
to negative.
Table 6-3: StrainCalc() configuration codes
BrConfig Code Configuration
1
Quarter-bridge strain gage
1
:
2
Half-bridge strain gauge
1
. One gauge parallel to strain, the other
at 90° to strain:
3
Half-bridge strain gauge. One gauge parallel to +ɛ, the other
parallel to -ɛ
1
:
4
Full-bridge strain gauge. Two gauges parallel to +ɛ, the other
two parallel to -ɛ
1
:
6. Measurements 67
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