JUMO dTRANS pH 02, Operating Manual, Page: 64 / 136

9 Calibrating a redox measurement chain
64
✱
Set the displayed value to the relative "good" value (in this example 20%)
with the
and keys; then press to continue.
✱
Rinse and dry the redox combination electrode.
✱
Immerse the combination electrode in a solution with a known "bad" redox
potential. Wait until the display value has stabilized; then press
to
continue.
✱
Set the displayed value to the relative "bad" value (in this example 80%)
with the
and keys; then press to continue.
✱
The zero point and slope determined by the device are displayed.
✱
Use the key to accept the calibrated values or
reject them with the key.
PGM
PGM
PGM
PGM
EXIT