Ko te whakangāwari muka whatu he wāhanga whatu i hangaia hei whakaiti i te kaha o te tohu whatu. Ka whakamahia hei whakaiti i te mana whatu whakauru, kia kore ai e hē te ahua o te kaiwhiwhi whatu i puta mai i te mana whakauru tino teitei. Hei wāhanga whatu kore mahi, ka whakamahia te whakangāwari muka whatu i roto i ngā pūnaha whakawhitiwhiti whatu hei whakarite i te mahi mana whatu, hei whakarite i ngā taputapu muka whatu, me te whakaiti i ngā tohu whatu. Ka hangaia te hua mā te whakamahi i te muka whakaiti kua tāpirihia ki ngā katote konganuku, kia taea ai te whakarite i te mana whatu ki te taumata e hiahiatia ana.
Tuku Karere Haere Utu
| Whakaritenga Mahinga: |
| 1. Te āheinga ki te tukurua: 10 huringa whakaurunga/tango; te huringa o te ngaronga whakaurunga ≤ 0.1 dB. |
| 2. Te Pakari o te Mīhini: 500 huringa whakaurunga/tango; te huringa o te ngaronga whakaurunga ≤ 0.2 dB. |
| 3. Whakamātautau Taka: Teitei taka 1 m, 5 taka; te huringa o te ngaronga whakaurunga ≤ 0.1 dB. |
| 4. Wiri: Auautanga 10 Hz ki te 55 Hz, kaha 0.75 mm, tere whiti 1 octave/min, 30 meneti ia ia i ngā ahunga poutū e rua; Huringa ngaronga whakaurunga ≤ 0.2 dB. |
| 5. Te Mahana Teitei: Te Mahana 75°C, te roanga 96 hāora; te huringa ngaronga whakaurunga ≤ 0.2 dB. |
| 6. Pāmahana Iti: Pāmahana -40°C, roanga 96 hāora; huringa ngaronga whakaurunga ≤ 0.2 dB. |
| 7. Te Huringa Pāmahana: Awhe pāmahana: -25°C ki te +70°C; ka puritia ia pāmahana tino nui mō te 30 meneti; kaua e neke ake i te 1°C/min te tere o te huringa pāmahana; 5 huringa; huringa o te ngaronga whakaurunga ≤ 0.2 dB. |
| 8. Wera makuku: Te pāmahana 40°C, te haumākū whanaunga 93%, te roanga 48 hāora; te huringa o te ngaronga whakaurunga ≤ 0.2 dB. |
| 9. Rehu tote: Te kukū o te rehu tote 5%; te pāmahana 35°C, te roanga 48 hāora; te huringa o te ngaronga whakaurunga ≤ 0.2 dB. |
| 10. Ātete ki te Mura: Mura kikorangi (20±2) mm; ka rua ngā wā ka whakaaturia ia tauira ki te mura, mō te 30 hēkona i ia wā, me te 10 meneti te wā i waenganui i ngā whakaaturanga. I muri i te tango mai i te mura, me iti iho i te 10 hēkona te roa o te wā tahunga mō ia tauira, ā, kaua te paparanga turanga e mura. |
Tuhipoka: Ko nga korero ka huri ki te kore he panui mo te whakapai ake i nga hua.
He mea pai mo nga momo ahuatanga kohi hiko penei i nga whare noho me nga whare tari arumoni
Ka whakapau kaha matou ki te whakarato tautoko tere, ngaio kia tutuki ai o hiahia kaha ki te taumata teitei o te ratonga.
Kei konei matou ki te whakautu i o patai me te whakarato i nga otinga hiko e pai ana ki o hiahia.