QT621 lawe ultrasonic kahe ana mika meahe ʻano mea paʻahana no ka hoʻouka ʻole, kahe wikiwiki a me ke ana ikehu me ka ʻenehana clamp-on no nā ʻano paipu. Kākoʻo ʻia ke kākoʻo ʻana o ka mīkini kahe kani ultrasonic hikiwawe i ka heluhelu kahe ʻana o kekahi mika ʻē aʻe a i ka ʻikepili hoʻopaʻa inoa kahe ʻōnaehana waiwai ma kahi manawa lōʻihi. Hiki ke hoʻoneʻe a hoʻokomo ʻia ka mika i nā paipu like ʻole a maʻalahi hoʻi e lawe i kahi pūnaewele i kahi pūnaewele. Aia i loko o ka hoʻolālā hou nā transducers pololei kūpono a me ka circuit processing signal e ana pono i ke kahe o ka hapa nui o nā wai ma luna o kahi ākea o ka wikiwiki. He koho maikaʻi loa kona portability no ke ana ʻana i nā kahe i loko o ka ʻōnaehana paipu e hōʻoia i ka hana ʻana o ka pauma sensor a me ka hana valve.
