Xylem ProLab 4000 MULTIPARAMETER BENCHTOP METER - Manual (Page 129)

ProLab 4000 Ion concentration
129 ba75646e02 01/2010
Measuring
6 In the Sample register, enter the following values:
z the volume of the sample (Sample volume)
z the volume of the ISA/TISAB solution (ISA/TISAB volume)
z the volume of the blank value solution (Blank value volume)
z the concentration of the blank value solution (Blank value
conc.).
7 Thoroughly rinse the electrode with deionized water.
8 Immerse the electrode in the sample that was supplemented
with blank value solution.
9 Start the measurement with [Continue] .
The measured value is checked for stability (Stability control).
10 Wait for the measurement with stability control to end.
or
Take over the measured value with [OK].
The Standard register opens up.