Hanna-instruments HI 84529 Bedienungsanleitung PDF herunterladen (Seite 28)

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Operational Guide

If the “Wrong Old Slope” error message

is displayed, an inconsistency exists

between the current and the previous

(old) calibration. Clear the previous

calibration by pressing CLEAR and

proceed with calibration from the current

calibration point. The instrument will

keep all the conrmed values during the

current calibration.

If the temperature reading is out of

the dened temperature range of the

buer (0 to 45 °C), the “Wrong Buer

Temperature” error message will be

displayed, and the temperature symbol

will blink on the display. Calibration

cannot be conrmed in this situation.

Note: To clear a previous calibration

and to return to the default value,

press CLEAR at any time after entering

calibration mode. If CLEAR is invoked

during the rst calibration, point the

instrument returns to the measurement

mode. The CLEAR key is displayed only if

a previous calibration exists.

Electrode

Calibration

Procedure

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Hanna-instruments HI 84529 Bedienungsanleitung Seite 28