Hāʻawi ʻo Shanghai Tankii Alloy Material Co., Ltd. i ka Tankii 10~38 SWG K type thermocouple element olohelohe. Hoʻohana nui ʻia kēia uea thermocouple NiCr-Ni/NiAl (Type K) i nā thermocouple basemetal, ʻoi aku hoʻi ma nā mahana ma luna o 500°C. Ke hoʻokiʻekiʻe nei ʻo ia i ke kūpaʻa ikaika i ka oxidation i hoʻohālikelike ʻia me nā thermocouple metala kumu ʻē aʻe, e hāʻawi ana i ka EMF kiʻekiʻe e kūʻē i ka Platinum 67, ka pololei o ka wela, ka ʻike, a me ke kūpaʻa, nā mea āpau ma ke kumu kūʻai haʻahaʻa.
Manaʻo ʻia no ka hoʻoheheʻe ʻana a i ʻole inert lewa, ʻaʻole pono e hoʻohana ʻia kēia uea thermocouple no ka hoʻoheheʻe ʻana a me ka hoʻohaʻahaʻa ʻana i nā lewa, nā lewa me nā kinoea ***, nā manawa lōʻihi i loko o kahi ʻūhā, a i ʻole nā lewa hoʻoheheʻe haʻahaʻa e like me ka hydrogen a me carbon monoxide.
Hiki ke hoʻopilikino ʻia ka uea thermocouple NiCr-NiAl no ka hoʻokō ʻana i nā koi o nā mea kūʻai aku. Loaʻa ia me nā mea insulation e like me PVC, PTFE, FB, a i ʻole e like me nā kikoʻī o ka mea kūʻai aku.
Hoʻohui Kimia | |||||
Inoa alakai | Polarity | Code | Nominal Chemical Composition /% | ||
Ni | Cr | Si | |||
Ni-Cr | maikaʻi | KP | 90 | 10 | – |
Ni- Si | ʻinoʻino | KN | 97 | – | 3 |
Ka Mahana Hana | ||
Anawaena/mm | He lōʻihi ka wela hana /ºC | Pōkole Ka wela hana /ºC |
0.3 | 700 | 800 |
0.5 | 800 | 900 |
0.8,1.0 | 900 | 1000 |
1.2,1.6 | 1000 | 1100 |
2.0,2.5 | 1100 | 1200 |
3.2 | 1200 | 1300 |
'Ōlelo Aʻo: Hiki i ka Insulation ke hoʻokahi a i ʻole ka hui ʻana o nā mea i helu ʻia e hoʻokō i nā koi pilikino.
No nā thermocouple kiʻekiʻe no nā noi ʻoihana like ʻole, hilinaʻiʻO Shanghai Tankii Alloy Material Co., Ltd.e hāʻawi i nā ana wela hilinaʻi a pololei.
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