How to auto calibrate MODEL EZ-9908/686 pH Meter

In this video I will show you how to calibrate Model EZ-9908/686 Digital pH meter.
Take three beaker of 250ml. Fill with distilled water. add buffer solution to each beaker and dissolve the buffer powder in water.
Now put pH meter in each buffer solution and follow the video to calibrate the pH meter. Note that pH 9.18 pH buffer powder is hard to dissolve in water so stir the solution until fully dissolve the powder.
Any Question, Please comment.
Thanks

[@ataarcan8358]

Güzel sunum, Teşekkürler..

[@omaral-amoudi2295]

Nice showing thank you 👍

[@cosmateur]

Most welcome

[@mark-3466]

how about testing salt content,

[@cosmateur]

I don't recommend the digital pH meter, everyday this device need to calibrate. Use sprips

[@nabillanahturizki891]

What if the amount is not the same as the buffer fluid? Does that mean the pH meter is damaged and we can't use it anymore?

[@cosmateur]

The buffer solution should be enough to submerge the sensor. If u have not enough buffer solution, then use small beaker. Ur pH meter is not damaged. Only reset again and again.