Ua hoʻokaʻawale ʻia nā kūlana hewa kiʻekiʻe loa i ʻae ʻia (MPE) no nā mika wai mechanical ma muli o nā kikoʻī loea honua/ʻāpana (e laʻa, ISO 4064, OIML R49) a me nā papa pololei mika, me nā mahele e pili ana i nā pae kahe a me nā ʻano mika (volumetric a i ʻole turbine-type).
ʻO ka hoʻokaʻawale ʻana o ka hewa i ʻae ʻia (MPE) no nā mika wai mīkini e pili ana i nā kūlana i ʻike ʻia ma ka honua holoʻokoʻa e like me ISO 4064 (International Organization for Standardization) a me OIML R49 (International Organization of Legal Metrology). ʻO nā kumumanaʻo hoʻokaʻawale koʻikoʻi penei:
- Ka Wehewehe ʻana o ka Papa Pololei: Ua hoʻokaʻawale ʻia nā mika wai mīkini i nā papa pololei (e laʻa, Papa 1, Papa 2 e like me ISO 4064-1) ma muli o kā lākou hana ana. Kuhikuhi kēlā me kēia papa i nā palena MPE i koi ʻia ma nā wā kahe like ʻole.
- Mahele o ka Waena o ke Kahe: Ua māhele ʻia ka pae kahe hana o ka mika wai i ʻelua mau wā koʻikoʻi: ka "pae kahe haʻahaʻa" (mai ka pae kahe haʻahaʻa loa Q₃ a i ka pae kahe hoʻololi Q₂) a me ka "pae kahe kiʻekiʻe" (mai Q₂ a i ka pae kahe overload Q₄).
- Ka Palena Kikoʻī MPE: No nā mika Papa 1, ʻo ka MPE he ±5% i loko o ka pae kahe haʻahaʻa a me ±2% i loko o ka pae kahe kiʻekiʻe. No nā mika Papa 2, ʻo ka MPE he ±3% i ka pae kahe haʻahaʻa a me ±2% i ka pae kahe kiʻekiʻe. Hōʻoia kēia mau palena i ka hilinaʻi like o ke ana ʻana ma nā hiʻohiʻona hoʻohana maoli.
- Nā Koi Kūikawā no nā Mika Anawaena Liʻiliʻi: No nā mika wai mīkini home anawaena liʻiliʻi (e laʻa, ke anawaena inoa ≤15 mm), pili paha nā ʻōlelo hou aku i ka hewa "ka helu kahe palena iki (Q₃)" e hōʻoia i ke ana pololei ʻana o nā kūlana kahe haʻahaʻa a i ʻole ke kahe ʻana.
Ua hoʻolālā ʻia nā hoʻokaʻawale ʻana a pau e kūlike me nā ʻano hoʻohana wai kūpono, e kaulike ana i ka pololei o ke ana ʻana me ka hiki ke hana no ka metrology kānāwai a me ka hoʻohana ʻana i nā ʻoihana.
Ka manawa hoʻouna: Nov-18-2025