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calibrate the logger. In this example, the upper calibration point was a pH of 10 but
the bar graph will end at 14.
Disp Low: This field sets the lower limit of the bar graph displayed in the main
screen and provides a way of scaling the graph beyond the lower limit used to
calibrate the logger. In this example, the lower calibration point was a pH of 4 but
the bar graph will go down to zero.
Decimal Places: From the pull-down menu, select the
number of decimal places to the right of the decimal
point that should appear in the historical data and in the
numerical data field at the bottom of the bar graph.
Calibrate: The "Calibrate" button provides a simple 4-step process for calibrating
the GL500 Data Logger to a particular sensor. Click the Calibrate button and follow
the menu instructions.
Click on the High EU field and enter the
high engineering unit that will be used
to calibrate the sensor, not the highest
reading the sensor can output. In the
example of pH, enter 10 which is the
highest calibration solution to be used.
Click Next.
Place the sensor in the condition that will
cause it to output the level corresponding
to the high EU entered in the previous menu.
Wait for the data reading to stabilize.
Click Next.
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