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He aha nā ʻokoʻa nui ma waena o ka Rosemount 214C RTD a me nā hiʻohiʻona thermocouple?

2025-01-12 09:48:29

I loko o ke ao o ke ana wela o ka ʻoihana, ʻelua ʻano sensor koʻikoʻi e kū nei: Resistance Temperature Detectors (RTDs) a me nā thermocouples. ʻO ka ʻO Rosemount 214C RTD a hoʻohana nui ʻia nā ʻano thermocouple i nā noi like ʻole, hāʻawi kēlā me kēia i nā pono kūʻokoʻa a me nā hiʻohiʻona. Hoʻopili kēia blog i nā ʻokoʻa koʻikoʻi ma waena o kēia mau ʻano sensor ʻelua, e kālele ana keia RTD a me kona mau hoa thermocouple. E ʻimi mākou i kā lākou mau loina hana, pololei, nā pae wela, nā manawa pane, a me ke kūpono no nā ʻenehana ʻenehana like ʻole. He mea koʻikoʻi ka hoʻomaopopo ʻana i kēia mau ʻokoʻa no ke koho ʻana i ka hopena ana wela kūpono no kāu mau pono kikoʻī.

Nā Kuleana Hana a me ke kūkulu ʻana

Rosemount 214C RTD hana

Hoʻohana ʻia ka Rosemount 214C RTD ma ke kumu o ka hoʻololi ʻana i ke kūpaʻa uila me ka mahana. Ke piʻi aʻe ka mahana, piʻi ke kūʻē o ka mea RTD, i hana maʻamau me ka platinum, ma ke ʻano wānana a hiki ke hana hou. ʻO kēia hoʻololi kū'ē e ana a hoʻololiʻia i kahi heluhelu wela. Ua kūkuluʻia ka Rosemount 214C RTD me kahi mea platinum kiʻiʻoniʻoni lahilahi i hoʻopaʻaʻia i loko o kahi pale pale. Mālama kēia hoʻolālā i ka paʻa maikaʻi a me ka pololei i ka manawa. E ʻeha maikaʻi ʻia ka mea platinum a waiho ʻia paha ma luna o kahi substrate seramika, e hāʻawi ana i kahi ākea ākea no ka pane wikiwiki.

Mea Hana Hana Thermocouple

ʻO Thermocouples, ma kekahi ʻaoʻao, e hana ma muli o ka hopena Seebeck. ʻElua mau uwea metala like ʻole i hui ʻia ma kekahi ʻaoʻao, e hana ana i hui. Ke ʻike ʻia kēia hui ʻana i nā hoʻololi wela, hoʻohua ia i kahi voli liʻiliʻi e like me ka ʻokoʻa wela ma waena o ka hui a me ke kiko kuhikuhi. He mea maʻalahi ka hana ʻana o Thermocouple, me ʻelua mau uwea o nā metala like ʻole i wili pū ʻia ma ke kiko ana. ʻAe kēia maʻalahi i nā hoʻonohonoho like ʻole a me nā noi, e komo pū me nā wahi wela kiʻekiʻe kahi i kūpono ʻole ai nā RTD.

NānāʻIke like

ʻO ka ʻokoʻa kumu i nā loina hana e alakaʻi i nā ʻano ʻokoʻa. ʻO ka ʻO Rosemount 214C RTD hāʻawi i ka pololei a me ke kūpaʻa kiʻekiʻe ma muli o ke ʻano wānana o ka hoʻololi kūʻē i ka platinum. ʻO nā Thermocouples, ʻoiai ʻaʻole pololei, hiki ke hana i kahi ākea ākea ākea a ʻoi aku ka paʻa i nā kaiapuni paʻakikī. ʻO ke kūkulu ʻana o ka Rosemount 214C RTD e hiki ai ke hoʻololi maikaʻi a me ka paʻa lōʻihi. Eia naʻe, makemake pinepine ʻia nā thermocouple i nā noi e koi ana i nā manawa pane wikiwiki a i ʻole he kumu nui ke kumu kūʻai.

Ka pololei a me ke kūpaʻa

Ka pololei o Rosemount 214C RTD

Kaulana ʻia ka Rosemount 214C RTD no kona pololei kiʻekiʻe a paʻa. ʻO nā RTD, ma ka laulā, hāʻawi i ka pololei ʻoi aku ka maikaʻi i hoʻohālikelike ʻia i nā thermocouple, a ʻo ka Rosemount 214C ʻaʻole ʻokoʻa. Hāʻawi maʻamau ia i ka pololei i loko o ± 0.1°C ma 0°C, me kekahi mau hiʻohiʻona e hāʻawi ana i nā ʻae ʻoi aku ka paʻa. He ʻokoʻa ka paʻa o ka Rosemount 214C RTD, me ka liʻiliʻi liʻiliʻi i ka manawa. Hāʻawi ʻia kēia kūpaʻa i nā waiwai o ka platinum a me ke kaʻina hana pono. Mālama ka sensor i kāna calibration i nā manawa lōʻihi, e hōʻemi ana i ka pono no ka hoʻoponopono hou ʻana.

Noʻonoʻo pololei ʻana i ka Thermocouple

Hāʻawi nā Thermocouples i ka pololei haʻahaʻa ma mua o nā RTD. Hiki ke ʻokoʻa ka pololei o ka thermocouple ma muli o ke ʻano a me ka maikaʻi o ka thermocouple. Loaʻa nā ʻano thermocouple maʻamau e like me Type K a i ʻole Type J i ka pololei ma ka laulā o ±0.75% a ±2.2% o ka heluhelu. Hiki ke hoʻopili ʻia ka pololei Thermocouple e nā kumu e like me ka inhomogeneities i ka uea, nā hewa hoʻopiʻi hui anuanu, a me ka linearity ʻole o ka pilina pili uila-mahana. ʻOiai hiki i nā ʻenehana hōʻailona hōʻailona ke hoʻēmi i kekahi o kēia mau pilikia, ke waiho mau nei nā thermocouple ma hope o nā RTD ma ke ʻano o ka pololei holoʻokoʻa.

Hoʻohālikelike Hana lōʻihi

I ka wā e pili ana i ka hana lōʻihi, ka ʻO Rosemount 214C RTD he pono maopopo. ʻO kona kūpaʻa i ka manawa, ʻo ia ka mea e mālama i kona pololei no nā manawa lōʻihi me ka ʻole o ka hoʻoponopono hou ʻana. He waiwai nui kēia kūpaʻa lōʻihi i nā noi hoʻomalu kaʻina hana koʻikoʻi kahi e pono ai nā ana kūpaʻa a hilinaʻi. Hiki i nā Thermocouple, ʻoiai ʻoi aku ka paʻa ma mua o nā RTD, hiki ke hāʻawi i nā ana hilinaʻi i nā manawa lōʻihi. Eia nō naʻe, ʻoi aku ka maʻalahi o ka neʻe ʻana a makemake paha i ka calibration pinepine, ʻoi aku hoʻi i nā noi wela kiʻekiʻe a i ʻole nā ​​​​kaiapuni me ka hoʻokele wela.

Kaulana Mahana a me ka Pono Pono

ʻO Rosemount 214C RTD hiki ke wela

Hoʻolālā ʻia ka Rosemount 214C RTD e hana pono i loko o kahi pae wela. ʻO ka maʻamau, kūpono nā RTD no nā ana mai -200°C a i 850°C. ʻO ka Rosemount 214C RTD, ma muli o ke kumu hoʻohālike kikoʻī a me ka hoʻonohonoho ʻana, hiki ke uhi i kahi ʻāpana nui o kēia ʻano, i mea kūpono no nā kaʻina hana ʻoihana. Ma ka ʻaoʻao haʻahaʻa o ke ʻano wela, ʻoi aku ka maikaʻi o ka Rosemount 214C RTD, e hāʻawi ana i nā ana pololei loa a hiki i nā mahana cryogenic. He mea kūpono kēia no nā noi i ka ʻoihana meaʻai a me ka mea inu, ka hana lāʻau lapaʻau, a me ka hana cryogenic.

Kaulana Mahana Thermocouple

ʻOi aku ka laulā o ka wela o nā Thermocouple i ka ʻO Rosemount 214C RTD. Ma muli o ke ʻano o ka thermocouple, hiki iā lākou ke ana i nā mahana mai -270°C a ma luna o 2300°C. Hoʻohana kēia ʻano nui i nā thermocouples i mea nui i nā noi wela kiʻekiʻe e like me ka hoʻomaʻemaʻe metala, ka hana aniani, a me nā umu ahi. Hoʻolālā ʻia nā ʻano thermocouple like ʻole no nā pae wela like ʻole. No ka laʻana, hoʻohana mau ʻia nā thermocouple Type K no nā noi kumu nui a hiki i 1300°C, aʻo Type R a me S thermocouple hiki ke ana i nā mahana a hiki i 1700°C.

Noonoo pili pili

ʻO ka koho ma waena o ka Rosemount 214C RTD a me nā hiʻohiʻona thermocouple e hilinaʻi pinepine i nā koi noi kikoʻī. No nā kaʻina hana e koi ana i ka pololei kiʻekiʻe i loko o kahi pae wela haʻahaʻa, e like me ka hoʻoili ʻana i ka meaʻai a i ʻole ka hana lāʻau lapaʻau, ʻo ka Rosemount 214C RTD ka mea i koho pinepine ʻia. ʻOi aku ka maikaʻi o nā Thermocouple no nā noi e pili ana i nā wela wela, nā hoʻololi wikiwiki o ka mahana, a i ʻole nā ​​wahi ʻino. Hoʻohana maʻamau ʻia lākou i ka hoʻāʻo ʻana i nā kaʻa, nā noi aerospace, a me nā umu ʻenehana kahi hiki ʻole i nā RTD ke kū i nā kūlana.

Panina

ʻO Rosemount 214C RTD a me nā kumu hoʻohālike thermocouple i ko lākou mau ikaika kū hoʻokahi a me nā noi i ke ana wela o ka ʻoihana. Hāʻawi kēia RTD i ka pololei a me ka paʻa, kūpono ia no ka hoʻokele wela kūpono i nā pae wela haʻahaʻa. ʻO nā Thermocouple, me ko lākou ākea ākea a me ke kūkulu paʻa ʻana, ʻoi aku ka maikaʻi ma nā wahi wela wela a me nā noi pane wikiwiki. ʻO ke koho ma waena o kēia mau ʻano sensor e pili ana i nā koi kikoʻī o kāu kaʻina hana, me nā pono kūpono, ka pae wela, a me nā kūlana kaiapuni. Inā makemake ʻoe e ʻike hou aku e pili ana i kēia huahana, hiki iā ʻoe ke kelepona mai iā mākou ma lm@zyyinstrument.com.

E hoʻomaopopo '

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