Agilent Technologies E1356A Especificaciones descargar pdf (Pagina 41)

Single-Channel Bending Full Bridge Measurements

This program makes a bending full bridge strain measurement on channel 7

of 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 2.115E-6,(@107)"

!Measure the channel’s unstrained reference.

OUTPUT 70903;"CAL:STR (@107)"

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:FBEN? (@107)"

ENTER 70903;Strn_rdg

PRINT Strn_rdg

END

Comments • The wiring diagram used for this example (FBENding) is on page 30.

• When making full bridge measurements, the channel’s bridge

selection jumper must be in the "FULL" position.

• Specifying the gage factor as 2.115E-6 returns the strain

measurements in microstrain.

• A gage factor must be specified and an unstrained reference must be

measured for each channel.

40 Making Strain Gage Measurements Chapter 3

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Agilent Technologies E1356A Especificaciones Pagina 41