Specifications

STRain:UNSTrained [SENSe:]STRain:UNSTrained <reference> , <channel_list> downloads a
(previously measured and stored) unstrained reference voltage for the
channel. An unstrained reference must be specified for each channel.
Parameters
Parameter Name Parameter Type Range of Values
reference
Numeric as measured
channel_list
Numeric 00 - 07
Comments • STRain:UNSTrained downloads unstrained references that are
already known or that have been previously measured (and stored in
a computer). This is used in applications where it is not possible to
make the unstrained reference measurement just prior to the strain
measurement. The unstrained reference is measured using
CALibration:STRain.
• One unstrained reference must be specified for each channel
measured.
Example Downloading the Unstrained Reference
OUTPUT 70903;"STR:UNST ";Unstr;",(@100)"
Downloads the reference from
computer variable Unstr to
channel 100.
STRain:UNSTrained? [SENSe:]STRain:UNSTrained? <channel_list> returns the unstrained
references for the channels specified.
Parameters
Parameter Name Parameter Type Range of Values
channel_list
Numeric 00 - 07
Comments • The unstrained references are measured using CALibration:STRain.
When queried, the unstrained references are returned to the
multimeter output buffer where they are then entered into a computer.
• One unstrained reference is required per channel.
Example Querying the Unstrained References
CAL:STR (@100:102) Measures the unstrained
references for channels 100 - 102.
STR:UNST? (@100:102) Queries the unstrained references
for channels 100 - 102.
ENTER variable Enter readings into the computer.
90 Strain Gage Multiplexer Command Reference Chapter 5
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