Whakarāpopototanga I.
Ko te kaupapa matua o te mita kirihou tere ko: Ina whakamahia ngā pereti whakarara e rua me te pāmahana o te 100℃, kei reira te pereti pēhanga o runga e mau ana ki te kurupae neke, ā, ko te pereti pēhanga o raro he pereti whakarara neke, ka pēhia te tauira ki te 1mm i te tuatahi, ā, ka puritia mō te 15 hēkona, kia eke te pāmahana o te tauira ki te pāmahana kua tohua, ka whakamahia te uara kaha o te 100N, ā, ka inehia te uara huringa o te tawhiti i waenganui i ngā pereti whakarara e rua mō te 15 hēkona me te tika o te 0.01mm. Ko tēnei uara e tohu ana i te kaha pēhi o te tauira, arā, te uara kirihou tere Po.
Ka taea te whakamahi i te mita kirihou tere hei ine i te tere pupuri kirihou taiao (PRI), ko te tikanga taketake ko: ka wehea te tauira kotahi kia rua ngā rōpū, ka ine tika tetahi rōpū i te uara kirihou tuatahi Po, ka whakanohoia tetahi atu rōpū ki roto i tētahi pouaka koroheketanga motuhake, i te pāmahana 140±0.2℃, i muri i te koroheketanga mō te 30 meneti, ka ine i tōna uara kirihou P30, ko ngā huinga raraunga e rua me te tatau whakamātautau:
PRI= ×100 %
Pom------------ Te kirihou waenga i mua i te koroheketanga
P.30m-----------Te kirihou waenga i muri i te koroheketanga
Ko te uara PRI e tohu ana i ngā āhuatanga ārai mate o te rapa maori, ā, ki te teitei ake te uara, ka pai ake ngā āhuatanga ārai mate.
Ka taea e tēnei taputapu te whakatau i te uara kirihou tere o te rapa mata me te rapa kāore i whakamomonatia, ā, ka taea hoki te whakatau i te tere pupuri kirihou (PRI) o te rapa mata tūturu.
Te whakatōtōtanga tauira: E 16 ngā rōpū paepae tauira whakatōtōtanga o te pouaka whakatōtōtanga, ka taea te whakatōtō i ngā tauira 16×3 i te wā kotahi, ā, ko te pāmahana whakatōtōtanga he 140±0.2℃. E tutuki ana i te taputapu ngā whakaritenga hangarau o te ISO2007 me te ISO2930.
II. Whakaahuatanga o te taputapu
(1)Kaihautū
1.Te kaupapa me te hanganga:
E whā ngā wāhanga o te kaihautū: te kawenga, te mita whakaatu tauira whakarerekētanga, te mana whakahaere wā whakamātautau me te tikanga whakahaere.
Ko te kawenga pumau e hiahiatia ana mō te whakamātautau ka puta mai i te taumaha o te rīpene. I te wā o te whakamātautau, i muri i te 15 hēkona o te whakamahanatanga, ka whakakahangia te koiri hikohiko kua tāutahia ki te mita kirihou, ā, ka utaina te taumaha rīpene, kia utaina ai he kawenga e te indenter ki runga i te tauira pepa kua tāutahia ki waenganui i ngā pereti pēhanga o runga me raro, ā, ka whakaaturia te kirihou o te tauira e te tohu waea kua tāutahia ki te kurupae hiki.
Hei karo i te ngaronga o te wera, hei whakarite hoki i te pumau o te pāmahana, ka whakaratohia ngā pereti pēhanga o runga me raro ki ngā papa adiabatic. Hei whakatutuki i ngā whakaritenga whakamātautau o ngā rauemi rapa ngohengohe me ngā rauemi rapa mārō, hei tāpiri atu ki te tāuta i tētahi pereti pēhi nui me te diameter o te 1cm, ka taea te whakakapi i te rapa ngohengohe me te rapa mārō kia mōhio ai kei waenga i te 0.2 me te 0.9mm te tohu mata, ā, kia pai ake ai te tika o te whakamātautau.
2. Ngā Tawhā Hangarau:
Pūtake mana: Mana AC kotahi 220V 100W
Pēhanga whakamātautau RT: 100±1N (10.197kg)
Te kukū o te puna here rakau Rbeam ≥300N
Wā whakamahana: 15+1S
Wā whakamātautau RT: 15±0.2S
Rahi pereti pēhanga RUpper: ¢ 10±0.02mm
Rahi pereti pēhanga iti: 16mm
Te pāmahana rūma tawhito: 100±1℃
(2) Ōumu Pakeke PRI
Whakarāpopototanga I.
He oumu pakeke motuhake te oumu pakeke PRI hei ine i te tere pupuri kirihou o te rapa maori. He āhuatanga tōna, arā, he tika te pāmahana pumau, he tika te wā, he nui te kaha tauira, ā, he ngāwari te whakahaere. E tutuki ana ngā tohu hangarau i ngā whakaritenga o te ISO-2930. He mea hanga te pouaka pakeke mai i te anga konumohe tapawhā rite tonu, he mana whakahaere pāmahana, he wā me ētahi atu wāhanga. E whā ngā whare kati kōtuhi pumau o te thermostat, he waea oumu hiko me te paipa whakawhiti hau, ā, he rauemi whakamahana paparua te whakamahi. Ka pēhi te hau mercury i te hau hou ki roto i ia rūma pumau hei whakapūhaumāota. He whata tauira konumohe me ngā paepae tauira e whā kei ia whare kati kōtuhi pumau. Ina unuhia te whata tauira ki waho, ka mutu te wā i roto i te taputapu, ā, ka panaia te whata tauira ki muri kia kati i te tomokanga o te whare kati kōtuhi pumau.
Kei te mata o te oumu tawhito he whakaaturanga pāmahana mamati.
2. Ngā Tawhā Hangarau
2.1 Pūtake hiko: ~ 220V± 10%
2.2 Pāmahana ā-taiao: 0 ~ 40℃
2.3 Te pāmahana pumau: 140±0.2℃
2.4 Te wā whakamahana me te whakau: 0.5 hāora
2.5 Rere hau: ≥115ML/min