QT502 kani ultrasonic kahe ana mikahe pā-mauna, hoʻopaʻa ʻia a hoʻokomo ʻia ʻano kani kani kani kani me ka hoʻohana ʻana i ka ʻenehana transit-time. Loaʻa nā Clamp on type sensors a me Insertion type sensor. Hoʻolālā hou ʻia me ka hoʻohana ʻana i ka chip kiʻekiʻe a me ka haʻahaʻa haʻahaʻa haʻahaʻa broadband pulse transmission, e hōʻoia i ka mika kahe me ka pololei kiʻekiʻe a me ka hana hou ʻana no ka hana lōʻihi.