Thermo Fisher Scientific Alpha pH 190 (In the process of updating the brand guideline & product image) - Manual (Page 33)

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9.8 Viewing ORP Electrode Data – P5.0
In ORP mode, Program 5 has two “view only” options that lets you
check the electrode parameters for diagnostic purposes.
P5.1: view ORP electrode offset
P5.2: view temperature probe offset (ATC on only)
These parameters will change each time you recalibrate the
controller.
P5.0
elec
P5.1 P5.2
t.ofs
M
.ofs
0.0 -5
Press ▲ and ▼ keys together (ESCAPE) at anytime, to leave the
Setup mode and return to Measurement mode.
P5.0: Viewing ORP electrode data
1.
Key in the password “022” as per procedure in Section 5.
2. Press ▲ key four times. The screen will scroll P5.0 and ELEC.
Press ENTER.
3. The screen will scroll P5.1, then m.OFS, then the ORP
electrode offset at the point of calibration.
4. MTC on: press ENTER to return to general Setup mode.
ATC on: go to next step.
5. The screen will scroll P5.2, then T.OFS, then the temperature
offset value.
6. Press ENTER to return to general Setup mode.
Press ▲ and ▼ keys together (ESCAPE) to return to
measurement mode.