ʻO ka moʻo he ʻano mamao ultrasonic open channel flow meter (UOC).Aia i loko o ʻelua mau mea, he pā i kau ʻia ma ka pā, he hōʻike a me kahi kī kī no ka hoʻonohonoho ʻana, a me kahi probe, pono e kau pono ma luna o ka ʻili e nānā ʻia.ʻO ka mea hoʻokipa a me ka probe he ʻano leak-proof plastic.
Hiki ke hoʻohana nui ʻia i ka mālama ʻana i ke kaiapuni, mālama wai, irrigation, kemika, a me nā ʻoihana ʻē aʻe.