Chapter 5 Conductivity Calibration; Automatic And Direct Calibration - Thermo Scientific Orion Star A215 Benchtop Reference Manual

Chapter 5 Conductivity Calibration

Automatic and Direct Calibration

that are near the sample conductivity. Prepare the conductivity cell according to the instructions in the
on the meter and set the measurement mode to conductivity.
Note: For an automatic calibration, the nominal cell constant of the conductivity cell must be entered in the setup
menu before the calibration is performed and Thermo Scientific Orion 100 μS/cm, 1413 μS/cm and/or 12.9 mS/cm
conductivity standards must be used.
Note: In most calibration screens, press f1 (esc) to return to the measurement mode without saving the calibration.
to highlight Conductivity – Channel and press f2 (select).
and place into the standard.
3. When the conductivity cell and standard are ready, press f3 (start)
f3 (start) is pressed and stop stirring once the reading stabilizes.
a. Press f2 (accept) to accept the displayed conductivity value.
b. Press f3 (edit) to access the numeric entry screen and edit the conductivity standard value.
5. Press f2 (next)
standard value is accepted.
the data to the calibration log. Press f1 (meas) to proceed to the measurement mode or press f2 (print) to
Thermo Scientific Orion StarStar A215 Benchtop and Star A325 Portable pH/Conductivity Meter Reference Guide
f1 (cal)
i. Press , , or
ii. Press f2 (done
iii. Press f2 (accept) to accept the entered conductivity value.
to highlight a number or decimal point, press f3 (enter) to select
or
f3 (cal done) to save
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