M45*2 Nau'in Matsayin Nau'in Nau'in Injini na Ma'auni don Man Fetur/Takin Ruwa

Ma'aunin matakin inji shine matakin firikwensin da ma'aunin nuni don lura da matakan ruwa ba tare da buƙatar kowane wutar lantarki ba. Ya dogara da tsarin tafiye-tafiye mai sauƙi amma mai tasiri wanda ke ba da bayyananniyar alamar gani na matakin ruwa a cikin tankuna ko kwantena. Irin wannan ma'auni ya dace da yanayin da wutar lantarki ba ta samuwa ko kuma ba a dogara ba, yana tabbatar da saka idanu ba tare da katsewa ba. Rashin abubuwan haɗin lantarki yana nufin babu haɗarin al'amurran da suka shafi wutar lantarki, yana mai da shi duka mai tsada da sauƙin kiyayewa. Waɗannan fasalulluka sun sanya ma'aunin matakin injiniya ya zama sanannen zaɓi a cikin masana'antu daban-daban, kamar gini, aikin gona, da hanyoyin masana'antu, inda aminci da ƙarancin kulawa sune mahimman buƙatu.