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11
Press the GLP/ACCEPT key to confirm calibration.
The instrument stores the calibration value and returns to measurement mode.
Notes
Notes
Notes
Notes
Notes:
•If the uncalibrated reading is too far from the expected value, the “WRONG” and
“SOLUTION” tags will blink. Calibration can not be confirmed. In this case check if
the correct calibration solution has been used.
• If the meter is in
ATC
mode and the solution temperature is out of the 0.0 to 60.0 °C
(32.0 to 140.0 °F) interval, the “WRONG” “SOLUTION” “°C” tags and the temperature
will be displayed blinking.
• For best results choose an EC calibration solution value close to the sample to be
measured.
• It is possible to set the cell constant value directly, without following the calibration
procedure. To set the cell constant, enter SETUP mode and select “CEL” (see SETUP for
details, page 26).
NaCl CALIBRATION
NaCl calibration is a one-point procedure at 100.0% NaCl. Use the Mi xxxx calibra-
tion solution (sea water solution) as a 100% NaCl standard solution.
Rinse the probe with some of the calibration solution or deionized water. Immerse the
probe into the MA 9050 solution. The sleeve holes must be completely submerged.
Tap the probe repeatedly to remove any air bubbles that may be trapped inside the
sleeve.
To enter NaCl calibration select the NaCl range and press CAL.
The primary LCD will display the NaCl reading in percentage and the secondary LCD will
display “100”, along with “CALIBRATION” tag. The “WAIT” tag will blink until the
