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Silig Bir ah oo qaali ah Nooca S
Dulmar Guud ee Badeecada
Bir qaali ahsilig heerkulbeeg ah Nooca S, oo sidoo kale loo yaqaan Platinum-Rhodium 10-Platinumsilig heerkulbeeg ah, waa curiye dareema heerkulka saxsan oo ka kooban laba koronto-dhaliye bir ah oo qaali ah. Lugta togan (RP) waa dahaar platinum-rhodium ah oo ka kooban 10% rhodium iyo 90% platinum, halka lugta taban (RN) ay tahay platinum saafi ah. Waxay bixisaa saxnaan iyo xasillooni heer sare ah jawiga heerkulka sare, taasoo ka dhigaysa doorashada la doorbidayo ee cabbirka heerkulka saxda ah ee birta, dhoobada, iyo foornada warshadaha ee heerkulka sare leh.
Tilmaamaha Caadiga ah
- Nooca Heerkulka: Nooca S (Platinum-Rhodium 10-Platinum)
- Heerka IEC: IEC 60584-1
- Heerka ASTM: ASTM E230
- Lambarka Midabka: Lugta togan - cagaar; Lugta taban - caddaan (sida waafaqsan heerarka IEC)
Astaamaha Muhiimka ah
- Kala duwanaanshaha Heerkulka Ballaaran: Isticmaalka muddada dheer ilaa 1300°C; isticmaalka muddada gaaban ilaa 1600°C
- Saxnaan Sare: Saxnaanta Fasalka 1aad oo leh dulqaad dhan ±1.5°C ama ±0.25% akhrinta (midkii ka weyn)
- Xasillooni aad u fiican: Wax ka yar 0.1% hoos u dhaca awoodda kuleyliyaha ka dib 1000 saacadood 1000°C
- Iska caabinta Oxidation-ka ee Wanaagsan: Waxqabadka xasilloon ee jawiga oksaydhka iyo jawiga aan firfircoonayn
- Awood Heerkul-koronto oo Hooseeysa: Waxay dhalisaa 6.458 mV 1000°C (isgoyska tixraaca 0°C)
Tilmaamaha Farsamada
| Sifada | Qiimaha |
| Dhexroorka Wire | 0.5mm (leexashada la oggol yahay: -0.015mm) |
| Awooda Heerkulka (1000°C) | 6.458 mV (marka la barbar dhigo 0°C tixraaca) |
| Heerkulka Hawlgalka Muddada Dheer | 1300°C |
| Heerkulka Hawlgalka Muddada Gaaban | 1600°C (≤50 saacadood) |
| Xoogga Jilicsanaanta (20°C) | ≥120 MPa |
| Kordhinta | ≥30% |
| Iska caabinta Korontada (20°C) | Lugta togan: 0.21 Ω·mm²/m; Lugta taban: 0.098 Ω·mm²/m |
Halabuurka Kiimikada (Caadiga,%)
| Kondurator | Qaybaha ugu muhiimsan | Walxaha raad-raaca (ugu badnaan, %) |
| Lugta Togan (Platinum-Rhodium 10) | Pt: 90, Rh: 10 | Ir:0.02, Ru:0.01, Fe:0.005, Cu:0.002 |
| Lugta taban (Platinum saafi ah) | Qayta: ≥99.99 | Rh:0.005, Ir:0.002, Fe:0.001, Cu:0.001 |
Tilmaamaha Badeecada
| Shay | Faahfaahin |
| Dhererka halkii Spool | 10m, 20m, 50m, iyo 100m |
| Dhammaadka Dusha sare | Iftiin leh, la nadiifiyey |
| Baakad | Faakiyuum lagu shaabadeeyay weelal gaas ku jira oo aan firfircoonayn si looga hortago wasakhowga |
| Kala-hagaajin | La raadraaci karo heerarka qaranka iyadoo la raacayo shahaadooyinka cabbiraadda |
| Xulashooyinka Gaarka ah | Dhererka gaarka ah, nadiifin gaar ah oo loogu talagalay codsiyada saafiga sare |
Codsiyada Caadiga ah
- Foornooyinka sintering-ka heerkulka sare leh ee birta budada ah
- Geedi socodka wax soo saarka iyo sameynta galaaska
- Qalabka lagu shido foornada dhoobada iyo daaweynta kulaylka
- Foornooyinka faakuumka iyo nidaamyada koritaanka kiristaalka
- Geedi socodka dhalaalinta iyo sifeynta birta
Waxaan sidoo kale bixinnaa qalabka isku-xidhka thermocouple-ka nooca S-nooca ah, isku-xirayaasha, iyo fiilooyinka fidinta. Muunado bilaash ah iyo waraaqo farsamo oo faahfaahsan ayaa la heli karaa marka la codsado. Codsiyada muhiimka ah, waxaan bixinnaa shahaado dheeraad ah oo ku saabsan daahirnimada walxaha iyo waxqabadka thermoelectric.
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