3-7
Calibration Verification
Product Support: www.instron.com
12. Enter the Calibration point value of the extensometer on the numeric keypad in %
(this is the same as the full scale value).
13. Press
ENTER key.
14. Press
STRAIN BAL key.
15. Press
ENTER key.
16. Press the
IEEE button to enable GPIB communications. The LED illuminates.
When the GPIB is enabled, Bluehill will automatically set up the strain channel in
software.
Calibration Verification
The achievable ISO or ASTM classification is given on page A-3. Certification of the strain
measurement system which includes the extensometer, conditioning electronics and readout
to the international standards should be arranged through accredited calibration services.
Your local Instron area office will be able to arrange verification.
It is advisable to check the accuracy of the automatic/manual electrical calibration at least
once a year.
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