HF scientific Micro1000 Laboratory Turbidimeter - 0-10,000 NTU - Manual (Page 18)

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6. Insert the 100.0 NTU calibration standard into the sample well and calibrate as before. When the
instrument has completed the calibration, , the “Cal” and the “Store” blocks will quit flashing
and the lower row of the display should now indicate that the 10.0 NTU standard is the next
standard to be used for calibration.
7. Insert the 10.0 NTU calibration standard into the sample well and calibrate as before. When the
instrument has completed the calibration, , the “Cal” and the “Store” blocks will quit flashing
and the lower row of the display should now indicate that the 0.02 NTU standard is the next
standard to be used for calibration.
8. Insert the 0.02 NTU calibration standard into the sample well and calibrate as before. When the
instrument has completed the calibration, the “Cal” and the “Store” blocks will quit flashing and
the lower row of the display should now display the word “END” indicating that the instrument
has completed the calibration phase and you can can now exit into the normal mode for
measurement.
9. If you wish to exit into the return to the normal operating mode press the key at this time. If
you wish to reperform the calibration, use either the ◄or ► keys to maneuver back to the
standard that you wish to work with.