Hanna-instruments HI 96710 Manual do Utilizador descarregar pdf (Página 20)

VALIDATION PROCEDURE

Use the validation procedure to ensure that the instrument is properly calibrated.

Warning: Do not validate the instrument with any standard solutions other than the HANNA CAL

CHECK

Standards, otherwise erroneous results will be obtained.

Note: The validation is performed only for the selected parameter. For full validation of the

instrument, the following procedure must be performed for each parameter.

• Turn the meter on by pressing ON/OFF.

• When the beeper sounds briefly and the

LCD displays dashes, the meter is ready.

• Place the CAL CHECK

Standard

Cuvette A into the cuvette holder and

ensure that the notch on the cap is

positioned securely into the groove.

• Press ZERO/CFM and the lamp, cuvette

and detector icons will appear on the

display, depending on the measurement

phase.

• After a few seconds, the display will

show “-0.0-”. The meter is now zeroed

and ready for validation.

• Remove the cuvette.

• Place the corresponding CAL CHECK

Standard Cuvette B into the cuvette holder

and ensure that the notch on the cap is

positioned securely into the groove.

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Hanna-instruments HI 96710 Manual do Utilizador Página 20