Hanna-instruments HI 9321 Manuel d'utilisateur télécharger pdf (Page 11)

ORP MEASUREMENTS

Press RANGE.

Submerge the ORP or ISE electrode tip (4cm/

1½") into the sample.

Allow a few minutes for the reading to stabi-

lize.

If readings are out of range "---" will appear

on the LCD.

See also "Taking REDOX Measurements" on page 16.

TEMPERATURE MEASUREMENTS

Taking a temperature measurement is very

easy. Connect the HI 7669/2W temperature

probe and turn the instrument ON.

Dip the liquid/general purpose HI 7669/2W

probe into the sample and allow the reading

on the secondary display to stabilize.

HOLD FUNCTION

Press and hold MEM. The last reading will be frozen on the display

until MEM is released. During this operation, the MEM indicator is

also shown on the LCD.

Press MR and the previously memorized reading will be displayed

with the MEM indicator on the LCD.

4 cm

(1½

ºC

°C

MEM

°C

MEM

°C

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 35 36

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Hanna-instruments HI 9321 Manuel d'utilisateur Page 11