Lub pH meter puas tuaj yeem ntsuas pH ntawm cov tshuaj?
Ib lub pH meter ntsuas pH ntawm cov tshuaj. . Nco ntsoov calibrate nrog cov txheej txheem kev daws teeb meem ua ntej siv, thiab tom qab siv, nco ntsoov yaug cov electrode thiab tsau rau hauv cov tshuaj poov tshuaj chloride saturated. . Yog tias koj siv METTLER TOLEDO, ua piv txwv kuv tsis tau hais li ntawd.
