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I-PtRh13-Pt R-Type Thermocouple Izwa Ukushisa Okuphezulu Okunembe Kakhulu kanye Nempendulo Yokushisa Ezinzile
Incazelo Yomkhiqizo
Uhlobo R Intambo yeThermocouple
Ukubuka Konke Komkhiqizo
Intambo ye-thermocouple yohlobo lwe-R iyi-thermocouple yensimbi eyigugu enembile kakhulu eyakhiwe yi-platinum-rhodium 13% alloy (umlenze omuhle) kanye ne-platinum emsulwa (umlenze omubi). Ingowomndeni we-thermocouple ye-platinum-rhodium, enikeza ukuzinza okuphezulu nokunemba ezindaweni ezishisa kakhulu, ikakhulukazi ebangeni eliphakathi kuka-1000°C no-1600°C. Uma iqhathaniswa ne-thermocouple yohlobo lwe-S, inokuqukethwe okuphezulu kwe-rhodium emlenzeni omuhle, okunikeza ukusebenza okuthuthukisiwe ekusetshenzisweni kwesikhathi eside kwezinga lokushisa eliphezulu.
Izikhundla Ezijwayelekile
- Uhlobo lwe-Thermocouple: Uhlobo lwe-R (iPlatinum-Rhodium 13-Platinum)
- Izinga le-IEC: IEC 60584-1
- Izinga le-ASTM: ASTM E230
Izici Eziyinhloko
- Ukuzinza Kwezinga Lokushisa Eliphezulu: Izinga lokushisa lokusebenza lesikhathi eside kufika ku-1400°C; ukusetshenziswa kwesikhashana kufika ku-1700°C
- Ukunemba Okuphakeme: Ukubekezelela kweKlasi 1 okungu-±1.5°C noma ±0.25% wokufunda (noma yikuphi okukhulu)
- Izinga Lokukhukhuleka Eliphansi: ≤0.05% ukukhukhuleka okungenzeka kwe-thermoelectric ngemva kwamahora ayi-1000 ku-1200°C
- Ukumelana ne-Oxidation: Ukusebenza okuhle kakhulu emoyeni okhipha i-oxidation kanye nowokungenwa yi-inert (gwema ukunciphisa izindawo)
- Amandla E-Thermoelectric Aphezulu: Akhiqiza i-10.574 mV ku-1500°C (i-reference junction ku-0°C)
Imininingwane Yobuchwepheshe
| Isici | Inani |
|---|---|
| Ububanzi bentambo | 0.2mm, 0.3mm, 0.5mm (ukubekezelelana: -0.015mm) |
| Amandla kagesi asebenzisa i-thermoelectric (1000°C) | 7.121 mV (uma kuqhathaniswa nereferensi engu-0°C) |
| Izinga Lokushisa Lokusebenza Lesikhathi Eside | 1400°C |
| Izinga Lokushisa Lokusebenza Lesikhathi Esifushane | 1700°C (≤amahora angu-20) |
| Amandla Okudonsa (20°C) | ≥130 MPa |
| Ukwelulwa | ≥25% |
| Ukumelana Nogesi (20°C) | Umlenze omuhle: 0.24 Ω·mm²/m; Umlenze omubi: 0.098 Ω·mm²/m |
Ukwakheka Kwamakhemikhali (Okuvamile, %)
| Umqhubi | Izinto Eziyinhloko | Izinto Zokulandelela (ubuningi, %) |
|---|---|---|
| Umlenze Oqondile (iPlatinum-Rhodium 13) | Iphuzu: 87, Rh: 13 | Ir:0.02, Ru:0.01, Fe:0.003, Cu:0.001 |
| Umlenze Ongemuhle (iPlatinum Emsulwa) | Indawo: ≥99.99 | Rh:0.003, Ir:0.002, Fe:0.001, Ni:0.001 |
Imininingwane Yomkhiqizo
| Into | Imininingwane |
|---|---|
| Ubude nge-Spool ngayinye | 5m, 10m, 20m, 50m (izinto zensimbi eziyigugu) |
| Ukuqedwa Komphezulu | I-Annealed, ekhanyayo njengesibuko (ayikho ingqimba ye-oxide) |
| Ukupakisha | Ivalwe nge-vacuum ezitsheni ezigcwele i-argon ukuvimbela ukungcola |
| Ukulinganisa | I-NIST-ingalandelelwa ngesitifiketi se-thermoelectric potential |
| Izinketho Zenziwe Ngokwezifiso | Ukuhlanza okulinganiselwe, okukhethekile kokusetshenziswa kobumsulwa obuphezulu kakhulu |
Izicelo Ezijwayelekile
- Ukuhlolwa kwenjini yezindiza (amakamelo okushisa aphezulu)
- Izitofu zezimboni ezinembile kakhulu (ukushiswa kwezinto zobumba ezithuthukisiwe)
- Ukukhiqizwa kwe-semiconductor (ukufakwa kwe-silicon wafer)
- Ucwaningo lwe-Metallurgical (ukuhlolwa kwamaphuzu okuncibilika kwe-superalloy)
- Ukukhiqizwa kwefayibha yengilazi (izindawo zesithando somlilo ezishisa kakhulu)
Siphinde sinikeze ama-probe e-thermocouple ohlobo lwe-R, izixhumi, kanye nezintambo zokwandisa. Ngenxa yenani eliphezulu lezinsimbi eziyigugu, amasampula amahhala atholakala ngobude obunqunyelwe (≤1m) uma eceliwe, kanye nezitifiketi zezinto eziningiliziwe kanye nemibiko yokuhlaziywa kokungcola.
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