Hanna-instruments HI 4421 Manuel d'utilisateur télécharger pdf (Page 8)

POWER CONNECTION

Plug the 12 Vdc adapter into the power supply socket.

Note: These instruments use non volatile memory to retain the meter settings, even when unplugged.

PROBE CONNECTION

For DO, BOD, OUR or SOUR measurements connect a DO probe to the DIN connector located on the rear panel

of the instrument.

INSTRUMENT START UP

• Turn the instrument on from the power switch located on the rear panel of the instrument.

• Please wait until the instrument finishes the initialization process.

Note: It is normal for the loading process to take a few seconds. If the instrument doesn’t display the next

screen, restart the meter using the power switch. If the problem persists, contact your dealer.

OPERATIONAL GUIDEOPERATIONAL GUIDE

OPERATIONAL GUIDE

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Hanna-instruments HI 4421 Manuel d'utilisateur Page 8