27
ISE CALIBRA
TION HI98191
• The calibrated value and the fourth expected standard value will be displayed.
• After the third calibration point is confirmed, immerse the ISE electrode approximately
4 cm (1½”) into the fourth calibration solution.
• If necessary, press the / keys to select a different standard value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and within range of the selected standard, the
CFM
functional key is
displayed.
• Press
CFM
to confirm calibration.
• The calibrated value and the fifth expected standard value will be displayed.
• After the fourth calibration point is confirmed, immerse the ISE electrode approximately
4 cm (1½”) into the fifth calibration solution.
• If necessary, press the / keys to select a different standard value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and within range of the selected standard, the
CFM
functional key is
displayed.
• Press
CFM
to confirm calibration. The instrument stores the calibration value and returns to
normal measurement mode.
Note: The instrument will automatically skip the standard solutions used during calibration
FOUR, THREE, TWO or ONE POINT CALIBRATION
• Proceed as described in
“FIVE POINT CALIBRATION”
section.
• Press
ESC
or
CAL
key after the appropriate accepted calibration point. The instruments will
return to measurement mode and will memorize the calibration data.
ERROR SCREENS
Wrong standard
The calibration cannot be confirmed.
The message appears if mV input is out of ±2000 mV range.
