Section 4 PH gauge calibration4.1 C

Section 4 PH gauge calibration4.1 Calibrate the PH gauge before each using4.2 Set up the temperature as current environment temperature, see Figure 5.2.4.3 Temperature VS PH value, see Figure 5.44.4 Calibrate the PH gauge by standard chemical of PH4.01 & PH7.0, see Figure 5.34.5 double check by PH 3.04.6 Calibrate the PH gauge, see Figure 5.54.7 Do not repeat using buffer solution, replace for each calibration4.8 Should have the electrode tip with PH4 solution. Never dry the electrode tip. 4.9 Electrode should life limit is 12 months.