"Wiper electrode" e atisa ho sebelisoa maemong a tekanyo a kenyelletsang mecha ea phatlalatso e atisang ho eketseha, ho silafala, kapa ho na le boemo bo phahameng ba lintho tse tiileng tse emisitsoeng.
E sebelisoa hangata ho methati ea conductivity, tlhahlobo ea electrochemical, le mekhoa e meng ea ho hlahloba boleng ba metsi a marang-rang.
Tlhahiso ea mantlha ke tšebeliso ea mochini oa ho hlakola ka mokhoa o tsoelang pele ho hloekisa bokaholimo ba elektrode, ka hona ho netefatsa ts'ebetso ea tekanyo e tsitsitseng le e tšepahalang.