I roto i te ao ote ine wai, e rua ngā taputapu e whakamahia whānuitia ana, arā, ngā mita rere hikohiko me ngā mita rere ultrasonic. He rerekē ngā āhuatanga o ia mita, ā, he mea nui te mārama ki ō rāua rerekētanga hei whakatau tika i roto i ngā tono ahumahi rerekē.
1. Ngā Mātāpono Mahi
Ngā Mita Rere Hikohiko
Ka mahi ngā mita rere hiko-aukume i runga i te ture a Faraday mō te whakapūngao hiko-aukume. Ina rere te wai kawe hiko mā roto i te papa aukume i hangaia e te mita, ka puta he ngaohiko puta noa i te wai. He rite tonu tēnei ngaohiko whakaputa ki te tere o te wai. Mā te pāngarau, ko te ngaohiko whakaputa E ka hoatu e E=BDV, ko B te kaha o te papa aukume, ko D te diameter o te ngongo ine, ā, ko V te tere toharite o te wai. Mā tēnei mātāpono ka taea te ine tika i ngā wai kawe hiko.
Ngā Mita Rere Ultrasonic
Ka whakamahia e ngā mita rere ultrasonic ngā ngaru oro hei ine i te tere o te wai. E rua ngā momo matua: te whakawhiti - te wā me te Doppler. Ka inehia e ngā mita rere ultrasonic te rerekētanga o te wā e hiahiatia ana mō ngā tohu ultrasonic ki te haere ki runga, ki raro hoki i roto i te wai. Ka tatauhia te tere rere mai i tēnei rerekētanga wā. Ko ngā mita rere ultrasonic Doppler, i tētahi atu taha, ka whakawhirinaki ki te pānga Doppler. Ina whakaatahia ngā ngaru ultrasonic mai i ngā matūriki, i ngā mirumiru rānei i roto i te wai, ka huri te auau o ngā ngaru whakaata. Ka whakatauhia te tere rere mai i tēnei nekehanga auau.
2. Te Tika o te Ine
Ngā Mita Rere Hikohiko
He tino tika ngā mita rere hikohiko, i roto i te ±0.2% ki te ±1% o te uara i inehia. Ka whakaratohia e rātou he mahi ōrite i runga i te whānuitanga o ngā tere rere, ā, he pai mō ngā tono e hiahiatia ana te ine tika, pērā i roto i ngā ahumahi rongoā me te matū.
Ngā Mita Rere Ultrasonic
Ka rerekē te tika o ngā mita rere ultrasonic i runga i te momo. Ka taea e ngā mita rere ultrasonic te whakatutuki i te tika o te ±0.5% ki te ±2%, ko ngā mita rere ultrasonic Doppler ia he iti ake te tika, tata ki te ±2% ki te ±5%. Ka pā nui ngā āhuatanga pēnei i te tohatoha o ngā matūriki, ngā mirumiru rānei i roto i te wai ki te tika o ngā mita rere Doppler.
3. Ngā Wai e Pā Ana
Ngā Mita Rere Hikohiko
He pai ēnei mita rere mō ngā wai kawe hiko anake. Me iti rawa te kawe hiko o te wai, neke atu i te 5 μS/cm te nuinga. He mea whakamahi noa ēnei hei ine i te rere o te wai, te wai para, me ngā momo otinga matū.
Ngā Mita Rere Ultrasonic
Ka taea te whakamahi i ngā mita rere ultrasonic mō ngā wai ma, me ngā wai paru. He pai te mahi a ngā mita rere wā-whakawhiti me ngā wai ma, ngā wai paru pakupaku rānei, ko ngā mita rere Doppler ia he pai ake mō ngā wai he nui ngā matūriki, ngā mirumiru rānei e iri ana, pērā i te paru me te paru.
4. Ngā Whakaritenga Tāutanga
Ngā Mita Rere Hikohiko
Me whai wāhanga paipa tika ki runga, ki raro hoki mō ngā mita rere hikohiko kia ōrite ai te rere. I te nuinga o te wā, e taunakihia ana kia tika te taha whakarunga - he 5 ki te 10 te whānui o te paipa, ā, he 2 ki te 5 te whānui o te taha whakarunga. Me tāuta hoki ki tētahi wāhi kua kī tonu te wai i roto i te paipa.
Ngā Mita Rere Ultrasonic
He ngāwari ake te tāutanga o ngā mita rere ultrasonic. He rawhi - ka taea te tāuta i ngā mita rere ultrasonic ki waho me te kore e tapahia te paipa, ka whakaiti i te wā tāutanga me ngā utu. Heoi, me tika tonu te whakarite me te whai whakaaro ki ngā āhuatanga pēnei i te matotoru o te pakitara o te paipa me ngā rauemi.
5. Te utu
Ngā Mita Rere Hikohiko
He nui ake te utu o ngā mita rere hikohiko i te tīmatanga nā te mea he tino matatau te hoahoa me te hanganga. Heoi, nā te pono me te tika o te wā roa ka iti ake te utu whānui i ngā tono e tino hiahiatia ana te ine tika.
Ngā Mita Rere Ultrasonic
He iti ake te utu o ngā mita rere oro-oro, inā koa ngā tauira e piri ana, ina koa ko ngā tauira e whakamahia ana hei whakapūmau i te haumitanga tuatahi. He kōwhiringa pai ēnei mō ngā tono kāore i te tino teitei ngā whakaritenga tika, he mea nui rānei te ngāwari o te tāutanga.
Hei whakamutunga, ko ngā mita rere hikohiko mengā mita rere ultrasonicHe painga me he herenga tō ia o ia. Mā te āta whakaaro ki ngā āhuatanga pēnei i ngā mātāpono mahi, te tika o te ine, ngā wai e tika ana, ngā whakaritenga tāutanga, me te utu, ka taea e ngā kaihangarau me ngā kaiwhakahaere te whiriwhiri i te mea tino tika.mita reremō ā rātou tono motuhake.
Wā tuku: Paenga-whāwhā-08-2025