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PtRh13-Pt R-Type Thermocouple Ultra-Precise High-Temp Sensing & Steady Thermal Response
Tsananguro yeChigadzirwa
Rudzi R Thermocouple Waya
Pfupiso yeChigadzirwa
Waya yeType R thermocouple ithermocouple yesimbi inokosha ine platinum-rhodium 13% alloy (gumbo rakanaka) uye pure platinum (gumbo risina kunaka). Iri mumhuri yeplatinum-rhodium thermocouple, inopa kugadzikana kwakanyanya uye kururama munzvimbo dzinopisa zvakanyanya, kunyanya munzvimbo dziri pakati pe1000°C kusvika 1600°C. Kana ichienzaniswa neType S thermocouples, ine rhodium yakawanda mugumbo rakanaka, zvichipa kushanda kwakawedzerwa mukushandiswa kwenguva refu kwekupisa kwakanyanya.
Mazita Akajairika
- Rudzi rweThermocouple: R-type (Platinum-Rhodium 13-Platinum)
- Muyero weIEC: IEC 60584-1
- ASTM Standard: ASTM E230
Zvinhu Zvikuru
- Kugadzikana Kwekupisa Kwakakwirira: Kushanda kwenguva refu tembiricha kusvika 1400°C; kushandiswa kwenguva pfupi kusvika 1700°C
- Kururama Kwepamusoro: Kushivirira kweKirasi 1 kwe ±1.5°C kana ±0.25% yekuverenga (chero yakakura)
- Mwero weKudonha Kwakaderera: ≤0.05% thermoelectric potential drift mushure memaawa 1000 pa1200°C
- Kuramba Kuoxidation: Kushanda zvakanaka mumhepo ine oxidizing uye inert (dzivisa kuderedza nharaunda)
- Simba reThermoelectric Rakakwirira: Rinogadzira 10.574 mV pa1500°C (reference junction pa0°C)
Magadzirirwo ehunyanzvi
| Hunhu | Kukosha |
|---|---|
| Dhayamita yewaya | 0.2mm, 0.3mm, 0.5mm (kushivirira: -0.015mm) |
| Simba reThermoelectric (1000°C) | 7.121 mV (zvichienzaniswa ne 0°C reference) |
| Tembiricha Yekushanda Yenguva Refu | 1400°C |
| Kupisa Kwenguva Pfupi Kwekushanda | 1700°C (≤maawa makumi maviri) |
| Simba reKusimba (20°C) | ≥130 MPa |
| Kureba | ≥25% |
| Kudzivirira Kwemagetsi (20°C) | Gumbo rakanaka: 0.24 Ω·mm²/m; Gumbo risina kunaka: 0.098 Ω·mm²/m |
Kuumbwa kweMakemikoro (Kazhinji, %)
| Mutyairi | Zvinhu Zvikuru | Zvinhu Zvinotevera (zvakanyanya, %) |
|---|---|---|
| Gumbo Rakanaka (Platinum-Rhodium 13) | Pt: 87, Rh: 13 | Ir:0.02, Ru:0.01, Fe:0.003, Cu:0.001 |
| Gumbo Risina Kunaka (Platinum Yakachena) | Chikamu: ≥99.99 | Rh:0.003, Ir:0.002, Fe:0.001, Ni:0.001 |
Zvimiro zveChigadzirwa
| Chinhu | Tsanangudzo |
|---|---|
| Kureba paSpool imwe neimwe | 5m, 10m, 20m, 50m (simbi inokosha) |
| Kupedzisa Kwepamusoro | Yakanamirwa, yakajeka segirazi (isina oxide layer) |
| Kurongedza | Yakavharirwa mumidziyo yakazara neargon kudzivirira kusvibiswa |
| Kuenzanisa | NIST-inogona kuteverwa ine chitupa che thermoelectric potential |
| Sarudzo Dzakagadzirwa Nemunhu | Kuchenesa kwakanyatsogadzirwa, kwakachekwa-chekwa zvakanyanya kuti kucheneswe zvakanyanya |
Maitiro Akajairika
- Kuedzwa kweinjini dzemuchadenga (makamuri ekupisa anopisa zvakanyanya)
- Zvitofu zvemaindasitiri zvine hungwaru hwepamusoro (kucheneswa kwezvigadzirwa zvesimbi zvemhando yepamusoro)
- Kugadzira semiconductor (silicon wafer annealing)
- Tsvagiridzo yesimbi (kuyedza nzvimbo yekunyungudutsa ye superalloy)
- Kugadzirwa kwegirazi fiber (nzvimbo dzechoto dzinopisa zvakanyanya)
Tinopawo ma probe e thermocouple emhando yeR, ma connector, uye waya dzekuwedzera. Nekuda kwekukosha kukuru kwesimbi dzinokosha, sampuro dzemahara dzinowanikwa muhurefu hushoma (≤1m) kana dzakumbirwa, pamwe nezvitupa zvezvinhu zvakatsanangurwa uye mishumo yekuongorora kusachena.
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