Kainga > Korero > Nga Korero Ahumahi

Me pehea te wehewehe i te tauira thermocouple

2021-10-19

Ka taea te wehea nga thermocouples e whakamahia ana kia rua nga waahanga: nga thermocouples paerewa me nga thermocouples kore-paerewa. Ko te thermocouple paerewa e kiia ana ko te thermocouple ko tona mana thermoelectric me te pāmahana kua whakaritea i roto i te paerewa o te motu, e taea ai nga hapa, me te riterite te tepu tohu tohu. He ahua whakaatu rite mo te kowhiringa. Ko nga thermocouples kore-paerewa kaore i te pai ki nga thermocouples paerewa mo te awhe tono me te raupapa o te nui. Ko te tikanga, karekau he ripanga tauputanga riterite, ka whakamahia mo te ine i etahi waa motuhake.

Ko nga thermocouples paerewa e whitu, S, B, E, K, R, J, me T, he thermocouples o te hoahoa rite tonu i Haina.

Ko te nuinga o nga tau taupū o nga thermocouples ko S, R, B, N, K, E, J, T me era atu. I tenei wa, ko S, R, B no te thermocouple whakarewa utu nui, ko N, K, E, J, T no te thermocouple whakarewa iti.

E whai ake nei he whakamaramatanga mo te tau taupū thermocouple
S konukawata rhodium 10 konukawata parakore
R konukawata rhodium 13 konukawata ma
B platinum rhodium 30 platinum rhodium 6
K Nickel Chromium Nickel Silicon
T parapara parahi parahi nika
J nika konukura rino
N Ni-Cr-Si Ni-Si
E nickel-chromium konukura-nickel
(S-momo thermocouple) konukawata rhodium 10-konukawata thermocouple
Ko te konukawata rhodium 10-platinum thermocouple (S-momo thermocouple) he thermocouple whakarewa utu nui. Ko te diameter o te waea takirua kua tohua hei 0.5mm, a ko te hapa e whakaaetia ana ko -0.015mm. Ko te hanganga matū ingoa o te electrode pai (SP) he konukawata-rhodium koranu me te 10% rhodium, 90% platinum, me te parakore parakore mo te electrode kino (SN). E mohiotia ana ko te thermocouple rhodium konukawata kotahi. Ko te pāmahana whakahaere mo te wa roa o tenei thermocouple ko te 1300℃, a ko te 1600℃ te pāmahana whakahaere mo te wa poto.

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