How to Calibrate US211M/Lite?
Enter the reference K value (provided by the manufacturer),
Measure the total amount of water in one minute, weigh it with a measuring tool,
Fill up a mineral water bottle,
then compare it with the displayed value.
If the accuracy cannot meet the requirements,
Use the following formula to calculate the new K value:
Reference K value X flow display value ÷ actual weighing value (volume of mineral water bottle) = new K value.
Enter the new K value and repeat the above calibration steps again.
Generally, it is very accurate after two times calibrations.