Hoʻomaka i nā hiʻohiʻona huahana a me nā pono o ka ultrasonic open channel flow meters.
Hoʻohana ʻia ka mīkini kani kani kani kani kani ultrasonic a ana i ka pae wai a me ke kiʻekiʻe-ākea lākiō o ka irrigation canal weir trough ma ka hoʻopā ʻana, a laila e helu ʻakomi ka microprocessor i ka waiwai kahe like.