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Note: The reading of the first point colud be skipped by pressing “Skip” functional key. In this case,
the 0.00 NTU point will be used for calibration.
• Place the <0.1 NTU standard cuvet (or the
cuvet with dilution water) into the holder and
ensure that the cuvet mark is aligned with the
sign on the
instrument top.
• Close the lid and press “Read” functional key.
The display will show the value blinking and the
lamp icon during measurement.
Note: If the Average mode was previously selected,
the measurement in calibration mode will be done
using the average.
• At the end of the measurement, the second proposed
calibration point (15.0 NTU) is displayed.
• Remove the first standard cuvet.
• Place the 15 NTU standard cuvet (or the second
formazyne prepared standard) into the holder, with
the cuvet mark aligned with the sign on the
instrument top.
Note:
If necessary, press UP or DOWN key to
edit each calibration point value to match the
exact value of the standard as measured with a
reference turbidimeter.
• Close the lid and press “Read” functional key.
The display will show the value blinking and the lamp icon during
measurement.
• If Non ratio Turbidity range is selected, the display
will briefly show “Store...” and the two point calibration
is saved. The instrument returns in the main screen.
• If Ratio Turbidity range is selected, at the end
of the measurement, the third proposed calibration
point (100 NTU) is displayed.
• At this moment it is possible to exit calibration
by pressing “End” functional key.
• If the calibration is terminated, the display will briefly show “Store...” and the two point
calibration is saved. The instrument returns in the main screen.
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