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EN-10
etc... An incorrect barometric pressure may negatively impact the calibration procedure and thus
affect the accuracy of your measurement.
Normally the DO electrode will only need to perform a 1 point calibration in the air (or Oxygen-
saturated water). Before calibration you need to rinse the DO electrode with pure water and
carefully wipe the water off with a tissue.
Place the electrode in the air.
o
Press button-
o
on the display.
The meter reaches endpoints according to the Endpoint Mode, 100% will display.
o
Once you have completed your 1-point calibration, you have 3 options:
o
Press button-
o
display then return to measurement screen.
Press button-
o
Press button-
o
oxygen solution).
4.1.3
Performing 2-point calibration
Perform the 1-point calibration as described above in "Performing 1-point calibration".
Place the electrode in the zero oxygen solution and press button-
The measurement icon
measurement. The meter reaches the endpoint according to the preselected endpoint mode (Auto
endpoint mode will arrive endpoint automatically while manual endpoint requires pressing button-
).
You now have 2 options:
Press button-
then return to measurement screen.
Press button-
Pressing and holding button-
screen.
The calibration icon
is blinking during calibration.
to finish 1-point calibration, slope and offset are shown on the
to reject calibration and return to measurement screen.
to complete a 2-point calibration (after preparing the zero
appears on the display. The icon
to finish the 2-point calibration, slope and offset are shown on the display
to reject calibration and return to measurement screen.
will display the last calibrate data when in measurement
STARTER 300D Portable DO Meter
and the measurement icon
is blinking during the calibration
appear
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