ProMinent DULCOMETER diaLog DACb Assembly And Operating Instruction page 90

Calibration
Correct sensor operation
Correct measuring, control and metering is only possible if the sensor is working per‐
–
fectly
Refer to the sensor's operating instructions
–
Tab. 13: Valid calibration values
Evaluation
Very good
Good
Acceptable
Continuous display ➨
Fig. 43: pH sensor calibration (CAL)
1. Continue with
2. Take a water sample at the in-line probe housing and, using a suitable method (measuring
strips, hand measuring instrument), measure the pH value of the sample
90
Zero point
-30 mV ... +30 mV
-45 mV ... +45 mV
-60 mV ... +60 mV
CAL pH
Last calibration 06/05/2013 14:26:07
Zero point
Slope
CAL setup
Calibration process
Buffer temperature
continue with <CAL>
Slope
56 mV/pH ... 60 mV/pH
56 mV/pH ... 61 mV/pH
55 mV/pH ... 62 mV/pH
Sample (1-point)
Manual
A1023