Amafutha okugcoba, inzwa ye-hydraulic oil turbidity sensor, uwoyela wokugcoba, uwoyela we-hydraulic, njll. agcinwa noma asetshenziswe esitsheni esiwuketshezi esithile.Lapho ikhwalithi yamafutha okugcoba, i-hydraulic oil, njll ishintsha ngenxa yokusebenza kwesikhathi eside, ikhwalithi yayo yamafutha izoshintsha, okuzothinta isignali yokwamukela amandla njalo, bese ithinta ukukhishwa kwesignali kagesi.