Imashini Yizerwa ni uruganda rwumwuga kubyerekeranye nubwoko bwose bwikigereranyo cyogupima mubushinwa.Turatanga kandi ibindi bikoresho byingutu byumuvuduko, nka: bimetallic isoko, kubyara umusatsi, icyerekezo na bourdon tube.
Ibicuruzwa bikoreshwa muburyo bwubwoko bwose bwikigereranyo hamwe na termometero.
Turashobora kubyara ibyo bipimo byerekana umuvuduko hamwe nibindi bikoresho byabigenewe kubisabwa nabakiriya cyangwa gushushanya, cyangwa turashobora gusaba ibicuruzwa byicyitegererezo kimwe cyangwa bisa kubakiriya.Nuko rero ushobora kubona ibicuruzwa vuba muri twe.