ProMinent DULCOMETER Assembly And Operating Instructions Manual page 51

2-Point Calibration
Fig. 24: 2-Point calibration pH sensor
Operating menus for the measured variables pH and ORP
pH
OPERATION
6.20
7.20
0%
LIMIT ↓
25.0 °C
CAL
pH
ZERO -3.37mV OK
SLOPE 56,67 mV/pH OK
CAL=ACCEPT
CAL
pH 4.00
SENSOR = 167 mV
WAIT...
CAL pH
ZERO 0.00 mV OK
SLOPE 59.16 mV/pH OK
CAL=START
CAL pH
BUFFER
TEMP= 025.0 °C
CAL
pH 7
Zero
7.00 pH (6,00...8,00 pH)
CAL=START
CAL
pH 7.00
SENSOR = 3 mV
WAIT...
CAL
pH 4/9
SLOPE
(<6,00 pH; >8,00 pH)
04.00 pH
CAL=START
A0278
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