Ka wehea te taumata tika o te pauna maha-upoko penei

Kaituhi: Smartweigh– Taumaha Upoko Maha

E ai ki te International Proposal Nama 60 o te International Organization for Legal Metrology (OIML), ka taea te wehewehe i te pauna maha-upoko ki ngā taumata tika e whā: a, b, c, me d e ai ki tana mahi whānui. Me whai rohe iti me rohe runga o ia taumata. Ko te kaute mōrahi o tētahi pūoko me te taumata tika mārama e tohuhia ana e te 1000.

Ine taumaha maha-upoko. Hei tauira, e whakaatu ana a C3 i ngā mōhiohio e pā ana ki tētahi ine taumaha maha-upoko akomanga-c 3000-meneti te roa. Me tutuki i ngā pūoko e whakamahia ana i roto i ngā tono manatoko ine hokohoko whānui te taumata C3.

Arā, 3000 ngā tohu. Hei tauira, he pauna maha-upoko 30t, ki te mea ko tana kaute whakamātautau ine he 3000, ko tana kaute whakamātautau ine he 10kg. Ki te mea ko tana kaute whakamātautau ine he 2500, ko tana kaute whakamātautau ine he 12kg.

E whakaarohia ana ka tutuki i te pūoko ngā whakaritenga o te paerewa ahumahi ā-motu i raro i te kaute manatoko ine ine o te 3000, ā, ko te tohu o te pūoko ko C3. Mena i roto i te 2500 meneti o te manatoko ine ine ka tutuki i ngā whakaritenga, ka eke te pūoko ki te taumata C2.5. Mena ka taea e te mea iti iho te whakatutuki i te 1000 tohu, ka eke te pūoko ki te taumata C1, ā, ko te tohu whakamātautau ine i tēnei wā ko 30kg.

Te taumata whiriwhiri tika. I roto i te tukanga katoa o te whiriwhiri i tētahi pauna maha-upoko, ko te taumata tika o te pūoko he uara tohu matua anō hoki, e whakararu ana i te tika o te pauna. Tuatahi, he mea nui kia whakaarohia ngā ture whakauru o te tohu kawenga.

Whakaurua mai te tātai e whai ake nei hei tatau mēnā he ōrite te pūoko me te papa taputapu. te ripanga pauna maha-upoko me te tohu pauna. Ko te aro o te putanga o te pūoko * ka akiaki i te ngaohiko hiko * ko te pauna pauna nui ake, ko te iti o te myopia o te pauna * te maha o ngā pūoko * te whānuitanga ine o te pūoko.

Kaua te tohu raraunga putanga o te pūoko e mārama mai i te tohu raraunga whakauru kua tohua e te papa taputapu. Mēnā he nui te taumaha o tētahi mīhini tākai rahinga 25kg, ka tīpakohia e te pauna me te mahi mōrahi o te 1000 meneti e 3 ngā pūoko, ko te nui he 25kg, ā, ko te aro o te taumaha he 2.0±0.008mV/V, ka tīpakohia e te pauna me te ngaohiko mahi pewa o te 12V te ripanga pauna maha-upoko. Kimihia mēnā he ōrite te pūoko me te papaaho.

Pānuihia te rauemi, ā, kitea ko te tohu raraunga whakauru i runga i te papa taputapu ko 2x12x25/1000x3x25=8μV/d>0.6μV/d. Nō reira, he ōrite rāua.

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