Description
PH Meter Calibration: 1. Dissolve each buffer solution in 250ml distilled water. 2. Immerse the electrode into the PH 6.86 solution (under 25°C) – Press “CAL” button for 5 seconds and release – the screen will display 6.86 and flashing. wait until it stop flashing – Rinse the electrode with distilled water and dry it with filter paper 3. Immerse the electrode into the PH 4.01 solution (under 25°C) – Press “CAL” button for 5 seconds and release – the screen will display 6.86 and flashing. Press CAL once again immediately – the screen will display 4.01 and flashing. wait until it stop flashing – Rinse the electrode with distilled water and dry it with filter paperProduct Specifications: （PH METER） Measure Range: 0.00-14.00 pH Resolution: 0.01 pH Accuracy: +/1 0.01 pH Temperature: 0-60 ℃(32-140 ℉） Power Supply: 2 Pcs 1.5V LR44 button cell Dimension: 155mm * 31mm * 18mm Weight: 50g / 1.7 OzProduct Specifications: （TDS METER） Measurement range: 0 – 9 999ppm (＞999ppm Display×10) Accuracy: ±2% Power Supply: 2*1.5V LR44 Button cell Operating Temperature: 32 – 122 °F Dimension: 144mm*25mm*14mm / 5.57”×0.98”×0.55” Net Weight: 55g / 1.94ozMaintenance: 1. Remember to replace the protective cap after finish using to avoid slow or unstable reading. 2. Immerse the digital meter into distilled water for a few hours if the electrode has been dried out. 3. Please replace the battery when the display value is fuzzy or unshownage Includes: 1x pH Meter 1x TDS Meter 2x Carrying box 1x User ManualWelcome to Achort store, may you have a pleasant shopping experience! If you have any problems about our products, please feel free to contact us at any time !
