Bante900P Portable Multiparameter Water Quality Meter
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5. Press
key again, the meter shows the slope of each pH buffer group.
6. After the browsing, press MEAS key to exit the currect mode.
If you are not calibrate the meter or calibration is not successfully, press MR key, the display will show "----" only.
MR
%
….......Calibration Points
….......Slope