Thermo Fisher Scientific Alpha pH 2000D - Manual (Page 20)

5.5 View actual zero and slope
MEAS
PH
O C
ATC
CAL
ENT
pH
CAL
ENT
1. While in Measurement mode press the CAL key. The display will prompt you to enter a security code.
Leave the security code at “000” (view only mode).
2. Press the ENT key.
The display shows the slope in mV (upper value) and the pH reading at 0 mV (zero point, lower value).
Note: If no key is pressed for 30 seconds the transmitter automatically returns to the
Measurement mode.
3. Press the ENT key to return to the Measurement mode.
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