He aha te pauna maha-upoko?

Kaituhi: Smartweigh– Taumaha Maha-Upoko

Ko te pauna maha-upoko he taputapu e huri ana i te tohu raraunga kounga hei putanga tohu hiko ka taea te ine tika. Ina whakamahi ana i te pūoko, me whakaaro tuatahi koe ki te taiao tari motuhake kei reira te pūoko. He mea nui tēnei mō te whakamahinga tika o te pauna maha-upoko. E pā ana ki te taea e te pūoko te mahi noa me ētahi atu āhuatanga haumaru me te wā whakamahinga, tae atu ki te wātea o ngā hiko katoa. He mea hanga te pauna maha-upoko i te turanga, te elastomer polyurethane, ngā pūtu punga, ngā taura me ētahi atu wāhanga.

He wāhanga whāriki te elastomer polyurethane, ā, ka whakapirihia te ine taumahatanga ātete ki te elastomer polyurethane kia rite ki tētahi hangarau tukatuka hei hanga i tētahi piriti Wheatstone, ā, ka hangaia he huinga o ngā pūhiko whakawhiti tino tika pumau mai i te ao o waho. Ina kore te elastomer polyurethane e waha i te kawenga, kei te āhua taurite te ara iahiko piriti, ā, he kore te ngaohiko putanga. Ina waha te elastomer polyurethane i te kawenga, nā te rerekētanga o te elastomer polyurethane, ka rerekē te ātete ā-roto o te ine taumahatanga ātete, ka kore te ara iahiko piriti e taurite, ā, ka puta he tohu raraunga ngaohiko mahi.

He hononga pai te rahi o te putanga tohu raraunga ki te kawenga i runga i te elastomer polyurethane. Ko te pūoko pauna maha-upoko e whakamahia whānuitia ana me ngā whakaurunga tautoko o te taputapu whakaatu mamati raraunga pauna. Ka whakaratohia e te tohu pauna he pūtake hiko whakawhiti pai mō te pūoko. Hei tāpiri, ka whakanuia te putanga tohu raraunga e te pūoko, ā, ka tātarihia kaha. Whai muri i te tahuritanga AD me te tiaki whatu, ka taea te whakaatu tonu i te uara taumaha kupenga o ngā mōhiohio e ai ki te papa taputapu. Ka tukuna te putanga tohu anaro e te papa taputapu ki te rorohiko iti hei whakahaere i te tikanga tukatuka raraunga.

Ka whakamahia e te paerewa tawhito ā-motu tētahi whāinga tino rerekē me te whakamahinga o te paerewa taiao. "Te pauna" me te "Te ine i te kaha" E kiia ana ngā pūoko e rua he kotahi, ā, kāore he rerekētanga e hoatu ki ngā whakamātautau me ngā tikanga aromatawai. E 21 ngā uara taupū i roto i te paerewa tawhito ā-motu, e whakamatautauria katoatia ana i te pāmahana rūma; me te pūnaha motuhake, te take mō te rerekētanga o te whakamuri, te take mō te rerekētanga o te āheinga whakahoki, te whakangāwari o te ahotea, te take mō te rerekētanga tāpiri o te pāmahana kore me tōna uara whakatauranga Ko te take mō te rerekētanga tāpiri o te pāmahana putanga ko te take o te rerekētanga nui ake i roto i ngā uara taupū e ono hei whakamārama i te taumata tika o te pauna maha-upoko, e tohuhia ana e 0.02, 0.03, me te 0.05. He pūoko kaha e whakamahia ana i roto i ngā hikohiko.

Ka taea e ia te huri i te kaha e pā ana ki te mea e whakamatautauria ana hei tohu raraunga putanga ka taea te ine me te manatoko i runga i tētahi ōwehenga. Mā te whakaaroaro katoa ki te mōrearea o te whakaterenga o te kaha ā-papa me te pūmautanga hau-wai o ngā wāhitau tono rerekē ki te whakawhiti, ko ngā tawhā mahi matua o te pauna maha-upoko ko ngā take mō te rerekētanga o te āhua rārangi, te take mō te rerekētanga o te whakaroa, te take mō te rerekētanga o te āheinga whakahoki, te whakangāwari o te ahotea, ngā āhuatanga pāmahana kore-ira me ngā āhuatanga pāmahana aro, me ētahi atu. I roto i te maha o ngā pūmanawa pūnaha manatoko inenga hiko me te kounga, ko te tika o te pūoko whakahaere whānui ka puta mai i te take whānui o te rerekētanga, ā, ko te take whānui o te rerekētanga e hono ana ki te take hiko o te rerekētanga. He watea te whakamahi i tētahi pauna maha-upoko e rite ana ki tētahi taputapu hiko tino tika.

E ai ki te Whakahaere Whakamana me te Ine Ture ā-Ao (OIML) ko te take o te rerekētanga o te roopu pūoko δ e 70% o te take o te rerekētanga o te roopu irahiko Δ, te take o te rerekētanga o te āhua rārangi o te pauna maha-upoko, te take o te rerekētanga me ōna whakaritenga. I roto i te awhe pāmahana, ko te tapeke o ngā take o te rerekētanga nā te kino o te pāmahana ki te aro, me ētahi atu, kāore e taea te neke ake i te take o te roopu rerekētanga δ. Mā tēnei ka taea e te kaihanga te hanga whakatikatika mō ia wāhanga e whai wāhi ana ki te rerekētanga katoa o te manatoko ine, ka hua ake te tika e hiahiatia ana.

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