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Select the calibration standard to be
4
set using
press
Selection of 1st/2nd points standard solution
Set the pH value of the calibration solution (standard solution) to be used for
calibration.
Set the 1st and 2nd points individually.
In 1-point calibration, span errors can be minimized by using a calibration
solution (standard solution) that is close to the expected pH value of the
measurement water.
In the 2-point calibration, the span error can be minimized by using a
calibration solution (standard solution) that is close to pH7 for the 1st point
and a calibration solution (standard solution) that is close to the expected
pH value of the measurement water for the 2nd point.
Prepare a commercially available calibration solution (standard solution).
This setting is effective for pH measurement. It does not affect
Caution
ORP measurement.
Calibration
standard
JIS
1.68/4.01
USA
4.01
HAMILTON
1.09/1.68/2.00/3.06/4.01
11.00/12.00
DIN19267
1.09/4.65
Merck/Riedel 2.00/4.01
Mettler
2.00/4.01
E+H
2.00/4.00
*1: The factory default setting for the 1st standard solution.
*2: The factory default setting for the 2nd standard solution.
.
*2
*1
/6.86
/9.18/10.02
*2
*1
/7.00
/10.01
*2
*1
/6.79
/9.23/12.75
*2
*1
/6.98
/8.95/12.00
*2
*1
/7.00
/9.21
*2
*1
/7.00
/9.00/9.22/10.00/12.00
, and
Standard solution
*2
/5.00/6.00/7.00
*1
/8.00/9.21/10.01/
19
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