Ko te ine pāmahana tētahi o ngā mea tino nui e pā ana ki te tika o te mita wera ultrasonic. Ahakoa e whakatau ana te pūoko rere i te nui o te wai e rere ana i roto i te paipa, ka ine ngā pūoko pāmahana i ngā pāmahana wai tuku me te wai whakahoki. Kātahi ka whakakotahi te mita wera i ēnei uara hei tatau i te whakapaunga pūngao wera.
I roto i ngā hangarau pūoko pāmahana rerekē e wātea ana, ko ngā Pūoko Pāmahana Ātete PT100 me PT1000 (RTD) ngā mea e rua e whakamahia whānuitia ana i roto i ngā pūnaha whakamahana me te whakamatao. Ahakoa he pūoko pāmahana ātete konukawata rāua, he tino pumau, he tino tika hoki, he rerekē te uara ātete, ngā āhuatanga waea, te aro ki te tohu, me te pai o te tono.
Mā te mārama ki ēnei rerekētanga ka āwhina i ngā kaihangarau, ngā kaimahi kirimana, me ngā kaihoahoa pūnaha ki te whiriwhiri i te pūoko tino tika mō ā rātou kaupapa ine wera.
He aha ngā pūoko PT100 me PT1000?
He pūoko pāmahana ātete konukawata (RTD) te PT100 me te PT1000, i hangaia kia rite ki ngā paerewa IEC 60751.
Ko te "PT" e tohu ana i te konukawata, ko te tau ia e tohu ana i te ātete ingoa o te pūoko i te 0°C.
* PT100: 100 Ω i te 0°C
* PT1000: 1000 Ω i te 0°C
I te pikinga ake o te pāmahana, ka piki ake te ātete hiko o ngā pūoko e rua i roto i te āhua e taea te matapae, tata tonu ki te rārangi. Ka inehia e te mita wera tēnei ātete, ka hurihia hei uara pāmahana tika.
Nā te mea he pumau ngā matū o te konukawata, ā, he tere hoki te whakahokinga mai, he whānuitia te whakamahinga o ngā pūoko RTD i roto i ngā pūnaha whakamahana rohe, HVAC, whakahaere tukanga ahumahi, me ngā pūnaha whakahaere pūngao.
He aha te hiranga o ngā pūoko pāmahana i roto i ngā mita wera?
Ka tatauhia e te mita wera ultrasonic te pūngao wera mā te whakamahi i ngā inenga matua e toru:
* Te tere o te rere o te wai
* Te pāmahana wai tuku
* Te pāmahana wai whakahoki
Ka pā tika te rerekētanga pāmahana (ΔT) i waenga i ngā aho tuku me ngā aho whakahoki ki te whakapaunga pūngao kua tatauhia.
Ahakoa he hapa iti noa i te ine pāmahana, ka taea tonu te arahi ki ngā hapa nama e kitea ana i te roanga o te wā.
Nā konei, ko ngā pūoko pāmahana e rua e tukuna ana me te mita wera he mea hanga mai i te wheketere, ā, he takirua anō hoki kua whakatikatikaina. Mā te whakakapi i te pūoko kotahi anake, te whakaranu rānei i ngā pūoko kāore i te ōrite, ka whakaiti pea i te tika o te ine, ā, me karohia te nuinga o te wā.
PT100 me PT1000: He aha te rerekētanga?
Ahakoa te mahi a ngā pūoko e rua i runga i te kaupapa kotahi, he rerekē ngā āhuatanga hiko.
1. Uara Ātete
Ko te rerekētanga tino kitea ko te ātete turanga.
Momo Pūoko Ātete i te 0°C
PT100 100 Ω
PT1000 1000 Ω
Nā te mea he tekau ngā wā te kaha ake o te ātete o te PT1000 i tō te PT100, ka nui ake te huringa ngaohiko e puta mai ana mō te rerekētanga pāmahana ōrite, kia māmā ake ai te kite a ngā ara iahiko hiko i ngā huringa pāmahana iti.
2. Te aro ki te tohu
Ka kaha ake te tohu hiko e whakaputaina ana e ngā pūoko PT1000 nā te mea he nui ake te ātete.
He maha ngā painga o tēnei:
- He whakataunga pai ake
- Te ātete haruru kua whakapaitia
- Te pumau teitei ake o te ine
- Te tukatuka tohu māmā ake
Mō ngā mita wera mamati hou me ngā hikohiko whakauru, he maha ngā wā ka nui ake te pono o te mahi a te PT1000.
3. Te Pānga o te Ātete Waea Mata
Ka pā te ātete taura ki te tika o te RTD.
Ki ngā pūoko PT100, ahakoa he iti noa te ātete taura, ka raru pea ngā hapa pāmahana ka taea te ine, inā koa ka whakamahia ngā taura roa.
Hei tauira:
Ko te 1 Ω o te ātete taura e tohu ana i te 1% o te ātete noa o te pūoko PT100.
Ko te 1 Ω kotahi e tohu ana i te 0.1% noa iho o te ātete noa o te pūoko PT1000.
Nā reira, he iti ake te tairongo o ngā pūoko PT1000 ki te ātete waea mata, ā, he maha ngā wā e pai ake ana ki ngā tāutanga kei tawhiti atu te tātaitai i ngā pūoko pāmahana.
4. Whirihoranga Waea
Kei te wātea noa ngā pūoko RTD i roto i:
- Waea-rua
- Waea-toru
- Ngā whirihoranga waea-4
He maha ngā wā ka whakamahia e ngā pūoko PT100 ngā waea 3-waea, 4-waea rānei hei utu mō te ātete taura.
He maha ngā wā ka tutuki i ngā pūoko PT1000 te tika me te whirihoranga waea-rua māmā ake nā te mea he iti ake te awe o te ātete taura.
Ka taea e tēnei te whakaiti i te uauatanga o te tāutanga me te utu waea whānui.
5. Te Tika o te Ine
Ka taea e ngā pūoko PT100 me PT1000 te whakatutuki i te tika tino pai ina whakatikatikaina tika.
I roto i ngā mahi ine wera, ko te tika o te ine whānui e whakawhirinaki ana ki:
- Te whakataurite i te pūoko
- Kounga Whakamātautau
- Tikanga tāutanga
- Te whakapā wera
- Ngā hikohiko mita wera
i te kōwhiringa i waenga i te PT100 me te PT1000.
Ka rite te tika o tētahi pūnaha PT100 i hoahoa paitia ki tētahi pūnaha PT1000.
6. Ngā Whakaaro mō te Tāutanga
Ahakoa te momo pūoko, he mea nui te tāutanga tika.
Me mahi tonu ngā pūoko pāmahana i ēnei:
- Me tāuta ki roto i ngā paipa tuku me ngā paipa whakahoki tika.
- Me whakauru katoa ki roto i te puna wera, i te pute rumaki rānei.
- Kia pai te whakapā atu ki te wai tukanga i roto i te wera.
- Kia tiakina mai i ngā kino ā-mīhini.
- Āta karohia ngā toronga taura kāore e hiahiatia ana ki te kore e whakaaetia e te kaihanga.
He maha ngā hapa ine ka nui ake i te momo pūoko tonu mēnā kāore i te tika te tāutanga.
Ngā tono noa
Ngā Tono PT100
Kei te kitea tonu ngā pūoko PT100 i roto i:
- Te whakahaere tukanga ahumahi
- Ngā pūnaha mamaoa
- Ngā taputapu taiwhanga
- Ngā tono pāmahana teitei
- Ngā pūnaha HVAC tawhito
Nā te whānui o te whakamahinga i ēnei taputapu mō ngā tekau tau maha, e noho hototahi tonu ana ki te tini o ngā taputapu ahumahi.
Ngā Taupānga PT1000
Kei te piki haere te whakamahinga o ngā pūoko PT1000 i roto i:
- Ngā mita wera ultrasonic
- Ngā pūnaha whakamahana ā-rohe
- Ngā whare atamai
- Ngā Pūnaha Whakahaere Whare (BMS)
- Ine pūngao whare noho
- Aunoatanga HVAC
Nā te taumata tohu teitei ake me te māmā o te waea, he mea tino pai mō ngā taputapu ine wera hiko o ēnei rā.
Ka taea te whakawhiti i te PT100 me te PT1000?
Kāore.
Ahakoa he rite tonu te mātāpono pūoko e whakamahia ana e rāua, he rerekē rawa ngā āhuatanga ātete o te PT100 me te PT1000.
Kāore e taea e te mita wera i hangaia mō ngā pūoko PT1000 te whakamārama tika i te pūoko PT100, me te ritenga kē.
Mā te whakamahi i te momo pūoko hē ka hua ake pea ēnei āhuatanga:
- Ngā pānui pāmahana hē
- Ngā rerekētanga pāmahana kino
- Ngā tataunga pūngao hē
- Ngā whakaoho whakawhitiwhiti kōrero
- Te rahunga o te ine
Whakamahia tonu te momo pūoko pāmahana kua tohua e te kaihanga o te mita wera.
Ko tēhea pūoko te mea pai ake mō ngā mita wera ultrasonic?
Kāore he kōwhiringa "pai ake" whānui, engari kua riro te PT1000 hei kōwhiringa pai mō te maha o ngā mita wera ultrasonic hou nā te mea e tuku ana i:
- Teitei ake o te aro ki te tohu
- He ātete pai ake ki ngā hapa i puta mai i te taura
- He waea māmā ake i roto i ngā tono maha
- He tino hototahi ki ngā hikohiko mamati
- Te mahi pono mō te wā roa
He otinga pai tonu te PT100 ina hiahiatia he hototahi ki ngā pūnaha ahumahi o nāianei, ki ngā paerewa hoahoa motuhake rānei.
Ngā Mahi Pai mō ngā Pūoko Pāmahana Mita Wera
Hei whakatutuki i te ine tika i te pūngao:
Whakamahia tonu ngā takirua pūoko i hangaia i te wheketere.
Kaua rawa e whakawhiti i te kotahi noa te pūoko pāmahana.
- Kaua e whakaroa i ngā taura pūoko ki te kore e whakaaetia e te kaihanga.
- Tāutahia ngā pūoko ki ngā wāhi tika mō te tuku me te whakahoki.
- Me whakarite kia whakaurua katoatia ki roto i ngā puna wera.
- Manatokohia ngā hononga taura i mua i te tīmatanga.
- Tirohia te āhua o te pūoko i ia wā i te wā e tiakina ana te pūnaha.
Mā te whai i ēnei tikanga ka āwhina ki te pupuri i te tika me te pono o te mita wera mō te wā roa.
He tino tika ngā pūoko pāmahana RTD platinum RTD a PT100 me PT1000, e tika ana mō ngā tono ine wera. Ahakoa kua roa te PT100 e noho ana hei paerewa mō te ine pāmahana ahumahi, kua piki haere te rongonui o te PT1000 i roto i ngā mita wera ultrasonic nā tōna ātete teitei ake, te kounga tohu pai ake, te iti ake o te aro ki te ātete taura, me te ngāwari o te tāutanga.
I te wā e whiriwhiri ana i tētahi mita wera, ko te mea nui ehara i te mea ko te whakamahi i ngā pūoko PT100, PT1000 rānei, engari ko te whakaaro mēnā kei te tika te hoahoa, te whakatikatika, me te tāuta o te pūnaha ine katoa—tae atu ki te pūoko rere, ngā ine pāmahana e ōrite ana, me te tātaitai. Mā te pūnaha kua tāutahia, kua whakatikatikahia hoki e tika ana te whakarato i te ine pūngao wera pono, te utu tika, me te mahi roa i roto i ngā tono whakamahana rohe, HVAC arumoni, me te whakahaere pūngao.
Te wā tuku: Hurae-22-2026