Hanna-instruments HI 3220 Instrukcja Użytkownika Pobierz pdf (Strona 47)

• Immerse the temperature probe or the pH probe including temperature

sensor into the vessel with ice and water as close as possible to the reference

thermometer. Allow a few seconds for the probe to stabilize.

• Use the ARROW keys to set the calibration point value to that of ice and

water mixture, measured by the reference thermometer. When the read-

ing is stable and close to the selected calibration point, the Confirm

function key is displayed.

• Press Confirm to confirm.

• The second expected calibrated point is displayed.

• Immerse the temperature probe into the second vessel as close as possible to

the reference thermometer. Allow a few seconds for the probe to stabilize.

• Use the ARROW keys to set the calibration point value to that of the hot

water.

• When the reading is stable and close to the selected calibration point,

Confirm function key is displayed.

• Press Confirm to confirm. The instrument returns to measurement mode.

Note: Use ARROW keys to change calibration point if necessary (±10.0 ºC)

around the point.

If the reading is not close to the selected calibration point, “Wrong”

message will blink. Change the temperature probe and restart calibra-

tion.

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Hanna-instruments HI 3220 Instrukcja Użytkownika Strona 47