Single-Channel 1/4 Bridge Measurements; Bridge Measurements - Agilent Technologies HP E1355A User Manual

Single-Channel 1/4 Bridge Measurements

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Chapter 3
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This program makes a 1 bridge strain measurement on channel 0 of
4
multiplexer card number 1.
!Clear and reset the multimeter.
CLEAR 70903
OUTPUT 70903;"*RST"
!Specify the gage factor for the channel measured.
OUTPUT 70903;"STR:GFAC 2.11E-6,(@100)"
!Measure the channel's unstrained reference.
OUTPUT 70903;"CAL:STR (@100)"
DISP "Add tension to the specimen; then press 'Continue'"
PAUSE
DISP ""
!Measure the strain on the channel. Enter and display the reading.
OUTPUT 70903;"MEAS:STR:QUAR? (@100)"
ENTER 70903;Strn_rdg
PRINT Strn_rdg
END
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The wiring diagram used for this example is on
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Specifying the gage factor as 2.11E-6 returns the strain measurement
in microstrain.
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A gage factor must be specified and an unstrained reference must be
measured for each channel.
Making Strain Gage Measurements
page 28.
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