Channel Calibration
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MXD70 pH / Redox
Setup and Operating Guide
Channel Calibration
pH Slope Calibration
The pH slope calibration enables the user to adjust
the sensor slope until the displayed reading matches
the known input. If using the “pH Buffer + Slope Cal”
menu, the instrument will automatically progress
onto the slope calibration once the Buffer calibration
has been done.
The current sensor reading can be seen in the pop-up
window and is adjusted by pressing the up and down
arrows. When the reading is correct press the enter
button to store the calibration.
The slope limits are 80% to 110% for a glass
electrode and 75% to 115% for a antimony
electrode.
/ – Adjust the Reading Up or Down
EXIT
– Cancel
– Save Calibration
Result
The adjusted offset and slope values, as well as the
calculated sensor condition from the calibration
routine is displayed here.
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