Ku soo dhawoow mareegahayaga!
PtRh13-Pt R-Nooca Thermocouple aadka u saxan ee Heerkulka Sare & Jawaabta Kulaylka Joogta ah
Sharaxaada Alaabta
Nooca R Thermocouple Wire
Dulmarka alaabta
Nooca R silig heerkulbeeg ah waa heerkulbeeg bir ah oo qaali ah oo sax ah oo ka kooban platinum-rhodium 13% alloy (lug togan) iyo platinum saafi ah (lug xun). Waxay ka tirsan tahay qoyska platina-rhodium thermocouple, oo bixisa xasillooni iyo saxnaan heersare ah ee jawiga kulaylka sareeyo, gaar ahaan inta u dhaxaysa 1000°C ilaa 1600°C. Marka la barbardhigo nooca S thermocouples, waxay leedahay maaddo rhodium sare ah lugta togan, taasoo bixisa waxqabad la xoojiyay ee codsiyada heerkulka sare ee muddada dheer.
Naqshadaynta caadiga ah
- Nooca Thermocouple: Nooca R (Platinum-Rhodium 13-Platinum)
- Heerka IEC: IEC 60584-1
- Heerka ASTM: ASTM E230
Tilmaamaha Muhiimka ah
- Dejinta Heerkulka Sare: Heerkulka shaqada muddada-dheer ilaa 1400 ° C; isticmaalka muddada-gaaban ilaa 1700 ° C
- Saxnaanta Sare: Dulqaadka Heerka 1 ee ± 1.5°C ama ± 0.25% ee akhriska (halkii ka weyn)
- Heerarka Qulqulka Hoose: ≤0.05% heerkul koronto oo suurtagal ah 1000 saacadood ka dib 1200°C
- Iska caabinta Oxidation: Waxqabadka aad u fiican ee oksaydhaynta iyo jawiga aan shaqaynayn (iska ilaali dhimista bay'ada)
- Korontada kuleyliyaha sare: Wuxuu dhaliyaa 10.574 mV at 1500°C (xidhiidhka tixraaca 0°C)
Tilmaamaha Farsamada
| Sifada | Qiimaha |
|---|---|
| Dhexroorka siliga | 0.2mm, 0.3mm, 0.5mm (dulqaad: -0.015mm) |
| Korontada kuleyliyaha (1000°C) | 7.121 mV (marka loo eego 0°C tixraac) |
| Heerkulka shaqaynta muddada-dheer | 1400°C |
| Heerkulka Shaqada ee Muddada Gaaban | 1700°C (≤20 saacadood) |
| Xoogga Jilitaanka (20°C) | ≥130 MPa |
| Dheeraynta | ≥25% |
| Iska caabin Koronto (20°C) | Lugta wanaagsan: 0.24 Ω·mm²/m; Lugta xun: 0.098 Ω·mm²/m |
Halabuurka Kiimikada (Caadi,%)
| Maamule | Qaybaha ugu muhiimsan | Qaybaha raadraaca (ugu badnaan,%) |
|---|---|---|
| Lugta Wanaagsan (Platinum-Rhodium 13) | Pt:87, Rh:13 | Ir:0.02, Ru:0.01, Fee:0.003, Cu:0.001 |
| Lugta Xun (Pure Platinum) | Pt: ≥99.99 | Rh:0.003, Ir:0.002, Fee:0.001, Ni:0.001 |
Tilmaamaha Alaabta
| Shayga | Tilmaamid |
|---|---|
| Dhererka halkii Spool | 5m, 10m, 20m, 50m (wax bir ah oo qaali ah) |
| Dhamaystir dusha sare | La daboolay, muraayad- iftiimay (lakab oksaydh ah oo aan lahayn) |
| Baakadaha | Vakuum-ku-xidhay weelasha argon-buuxsan yahay si looga hortago faddaraynta |
| Calibration | NIST-la raadin karo oo wata shahaado awood kuleyleedka |
| Ikhtiyaarada gaarka ah | Goy-ilaa-dherer, nadiifin gaar ah oo loogu talagalay codsiyada nadiifnimada aadka u sarreeya |
Codsiyada caadiga ah
- Tijaabada mishiinka hawada sare (qolalka gubashada heerkul sare)
- Foornooyinka warshadaha ee saxda ah (isku xidhka dhoobada sare)
- Wax-soo-saarka semiconductor (silikon wafer annealing)
- Cilmi-baarista biraha (baaritaannada dhibcaha dhalaalka sare ee sare)
- Soosaarka fiber-ka dhalada ah (goobaha foornada kulaylkeedu sarreeyo)
Waxa kale oo aanu bixinaa nooca R-xarmado-koobka, xidhayaasha, iyo fiilooyinka fidinta. Qiimaha sare ee biraha qaaliga ah awgeed, muunadaha bilaashka ah ayaa lagu heli karaa dherer xaddidan (≤1m) marka la codsado, oo leh shahaadooyin tafatiran iyo warbixinnada falanqaynta wasakhda.
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