Hanna-instruments HI 98180 Manual de usuario descargar pdf (Pagina 20)

• Press CFM to confirm calibration.

• The instrument stores the calibration values and returns to normal mea-

surement mode.

FOUR, THREE or TWO-POINT CALIBRATION

• Proceed as described in “FIVE-POINT CALIBRATION” section.

• Press CAL or ESC after the appropriate accepted calibration point. The instru-

ments will return to measurement mode and will memorize the calibration data.

ONE-POINT CALIBRATION

Two SETUP selectable options are available for one-point calibration:

Replace and Offset.

If the Replace option is selected, the slopes between current buffer and

nearest lower and higher buffers will be reevaluated.

If the “Offset” option is selected, an electrode offset correction is performed

keeping unchanged the existing slopes.

• Proceed as described in “FIVE-POINT CALIBRATION” section.

• Press CAL or ESC after the first calibration point was confirmed. The

instruments will memorize the one-point calibration data and will

return to measurement mode.

Notes: • Press MTC or MODE key to toggle between pH buffer selection and

the temperature reading during calibration while temperature

probe is not connected (MTCmode)

• The displayed arrow is moving to the temperature value. Use

ARROW keys in order to change the temperature.

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Hanna-instruments HI 98180 Manual de usuario Pagina 20