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About This Chapter
Using the Example
r
Prog
Programming
Chapter 3
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Making Strain Gage Measurements
This chapter contains example programs which make strain gage
measurements with various bridge configurations. The examples in this
chapter include:
•
Single-Channel
•
Multi-Channel
•
Dynamic Strain Measurements . . . . . . . . . . . . . . . . . . . . . . . Page 37
•
Rosette Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 39
•
Single-Channel Bending Full Bridge
•
•
•
Measurements with Downloaded Unstrained
The purpose of the chapter is to provide example programs that show you
how to make strain gage measurements, and to provide programs that can be
ams
used directly in your applications.
The example programs are shown in the HP BASIC language and assume
Language
the multimeter is controlled from an HP 9000 Series 300 computer over the
HP-IB.
When using HP BASIC, a command is sent to the scanning multimeter
instrument with the
OUTPUT 70903;"MEAS:STR:QUAR? (@100)"
The destination specified (
computer (
mainframe or Series C command module (
instrument address (
quotation marks.
Data from the multimeter instrument is entered into the computer using the
statement:
ENTER
ENTER 70903;variable
⁄
Bridge Measurements . . . . . . . . . . . . . . . Page 35
1
4
⁄
1
Bridge Measurements. . . . . . . . . . . . . . . . Page 36
4
Measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 40
References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 46
OUTPUT
statement:
) is the interface select code of the
70903
), plus the HP-IB addresses of the HP 75000 Series B
7
03
). The multimeter command is enclosed between
Making Strain Gage Measurements
Chapter 3
09
), plus the multimeter
33
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