13
6. Operation
ENGLISH
6.3.3. Two- and three-point calibration
Follow the diagram below.
The equipment will repeat the process described for the first
buffer solution with the second and third.
Stir gently holding the sensor by the handle. Do not hold it by
the tube to avoid heating of the buffer solution.
Notes: if the measuring instrument is not used for 5 minutes, it
shuts off automatically.
If errors occur during calibration, an error message will appear
on screen (see pg. 23).
When you switch buffers, rinse the sensor with deionized water.
The buffer solutions in the calibration tubes can be used for
approximately four or five calibrations. It is recommended to
use fresh buffers.
Screw the
sensor
to the 1st tube.
Screw the
sensor
to the 2nd tube.
To exit
calibration
(One point
calibration)
sensION+ MM150 HACH 0710.indd ANG:13sensION+ MM150 HACH 0710.indd ANG:13 7/9/10 13:02:577/9/10 13:02:57
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