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On upper side of the screen is present measuring data and lower side is measuring result including
adding times and measuring result in sequence. On right side is 'ENTER', 'END' and 'SETUP'
key.
Clean the electrode and put it in measured solution, add standard solution according to set volume,
meter displays present potential, temperature value and relevant pX value. When display stable,
press 'Enter' key, meter will record down and display current measuring result and remind 'Add
Standard solution...' you can continue to add standard solution.
During adding, if you press 'SETUP', you can set manual temperature, select concentration unit,
set mV, pX display resolution.
Repeatedly add standard solution and measure potential after adding. When you finish adding
three times the standard solution, meter automatically displays 'Continue to Add?' which is
displayed as follows:
If you still want add measuring, you can press 'CONTINUE' to continue the adding, otherwise
you can press 'END' finish measuring and meter will calculate the concentration value of
measured sample. Measuring finishes.
You can press 'END' any time to finish the measuring. If adding time exceeds 3 times, meter will
also admit previous adding is valid and calculate the concentration value of measured sample,
measuring finishes.
When measuring finishes, you can press 'STORE' to save present result, 'PRINT' to print result,
Press 'END' to quit GRAN method and meter returns to start mode.
4.6.4 Conductive Measuring
Meter allows measure conductivity, resistivity, TDS and salinity value. Within all measuring range,
it has following switching functions: automatic temperature compensation, automatic calibration,
automatic range and automatic frequency etc...
Display chart when GRAN method
exceeds 3 times
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