25
2
0
TEMP.
ºC
SAMPLE
DATE
°C
DOWN
ºC
UP
2
0
TEMP
ºC
°C
°C
°C
CALIBRATION WITH MANUAL TEMPERATURE COMPEN-
SATION
If for some reason the temperature probe is defective, or it is required
to calibrate with manual temperature compensation, follow the proce-
dure below:
•
Unplug the temperature probe from the meter.
•
Note the temperature of the buffer with a
ChecktempC
or a glass thermometer.
For HI9017 only
To manually set a temperature value (e.g. 20.0°C) proceed as follows:
• press 2 key
• press 0 key
• press TEMP key.
The value will be displayed on the left LCD and "°C" symbol will be
flashing.
• For HI9218 and HI9219 only
Use the UP or DOWN keys to manually adjust the display reading
to the value of the reference thermometer (e.g. 20°C). The value
will be displayed on the left LCD and "°C" symbol will be flashing.
• For HI9318 only
Press the +/- key (for eventual negative figures) followed by the
noted temperature on the numeric keypad. The value will be
displayed on the small LCD. Then press the TEMP key and the
manually set temperature will be displayed on the right LCD with
the "°C" symbol blinking.
•
••
•• Follow the calibration procedure as for pH calibration with tem-
perature probe connected (see page 18 for
HI9017
or page 21 for
HI9218/HI9219
or page 23 for
HI9318
).