Hanna Instruments hi 9032 ユーザーズマニュアル
37
36
to confirm the calibration
and the instrument will re-
turn to normal operation.
and the instrument will re-
turn to normal operation.
The Fertilizer #1 calibration pro-
cedure is now complete.
cedure is now complete.
HI 9032 can memorize two different mea-
surements of Fertilizer concentration. By
pressing the Fert key, you can switch the
two measurements.
surements of Fertilizer concentration. By
pressing the Fert key, you can switch the
two measurements.
To perform 2nd Fert calibration press the
Fert key and the secondary section on the
large LCD will then show "2".
Fert key and the secondary section on the
large LCD will then show "2".
Proceed with the operation as for the 1st Fert
calibration (see above).
calibration (see above).
Notes:
•
If the HI 7669/2W temperature probe is
not connected to the meter, once con-
firmed the Fert concentration value,
"25°C" or "77.0°F" will start blinking on
the TEMP.display.
not connected to the meter, once con-
firmed the Fert concentration value,
"25°C" or "77.0°F" will start blinking on
the TEMP.display.
Take the temperature
of the solution with a
Checktemp or a glass
thermometer.
of the solution with a
Checktemp or a glass
thermometer.
CON
Fert.
8
FERTILIZER
gm
•
Pour a small quantity of
the prepared fertilizer so-
lution into a plastic beaker.
the prepared fertilizer so-
lution into a plastic beaker.
•
Immerse the HI7686 probe
into the solution submerg-
ing the holes of the sleeve
into the liquid. Immerse the
HI7669/2W temperature
probe as close as pos-
sible to the conductivity
probe. Wait for 2 or 3 min-
utes for the thermal equi-
librium.
into the solution submerg-
ing the holes of the sleeve
into the liquid. Immerse the
HI7669/2W temperature
probe as close as pos-
sible to the conductivity
probe. Wait for 2 or 3 min-
utes for the thermal equi-
librium.
•
Press the ENTER key to accept the
1.00 gm value, otherwise enter manually
the desired value through the keyboard
followed by the ENTER key to confirm the
entry of the calibration value. The "
1.00 gm value, otherwise enter manually
the desired value through the keyboard
followed by the ENTER key to confirm the
entry of the calibration value. The "
BUF
"
prompt will appear on the large display
and the "
and the "
" symbol will start blink-
ing. Wait approximately 30 seconds for
the reading to stabilize.
the reading to stabilize.
•
Once the reading is stable, "
" and
"CAL" will go off and
"CON" prompts to
confirm the reading.
"CON" prompts to
confirm the reading.
•
Press the CON key
ENTER
FERTILIZER
gm
CAL
BUF
FERTILIZER
gm
BUF
CON