Specifications

OUTPUT 70903;"STR:GFAC 2.11E-6,(@100:102)"

CALL Ref_load(Unstr(*))

FOR J=1 TO 5

OUTPUT 70903;"MEAS:STR:QUAR? (@100:102)"

ENTER 70903;Strn_rdgs(*)

PRINT Strn_rdgs(*)

NEXT J

END

!This subprogram measures the unstrained references, queries the references,

!and then stores the references in a computer variable for later use.

SUB Ref_meas(Unstr(*))

OUTPUT 70903;"CAL:STR (@100:102)"

OUTPUT 70903;"STR:UNST? (@100:102)"

ENTER 70903;Unstr(*)

SUBEND

!This subprogram downloads the unstrained references prior to the strain

!measurements.

SUB Ref_load(Unstr(*))

FOR I=0 TO 2

OUTPUT 70903;"STR:UNST ";Unstr(I);",(@";100+I;")"

NEXT I

SUBEND

Comments

• This program makes

⁄

bridge measurements on channels 0, 1, and 2 of

multiplexer card number 1. The wiring diagram used is on page 28.

• Since each strain measurement must have an unstrained reference,

the unstrained references are downloaded prior to each set of

measurements.

• The unstrained references can be stored on disk for later use.

Chapter 3 Making Strain Gage Measurements 47

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com