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PtRh13-Pt R-Nooca Thermocouple Dareemid Heerkul Sare oo Aad u Sax ah & Jawaab Heerkul Joogto ah
Sharaxaadda Badeecada
Silig Heerkulka Nooca R
Dulmar Guud oo ku saabsan Badeecada
Silig nooca R thermocouple ah waa thermocouple bir ah oo qaali ah oo ka samaysan bir bir ah oo tayo sare leh oo ka samaysan platinum-rhodium 13% dahaarka (lug togan) iyo platinum saafi ah (lug taban). Waxay ka tirsan tahay qoyska thermocouple-ka platinum-rhodium, waxayna bixisaa xasillooni iyo saxnaan heer sare ah jawi heerkul sare leh, gaar ahaan inta u dhaxaysa 1000°C ilaa 1600°C. Marka la barbardhigo thermocouples-ka Nooca S, waxay leedahay rhodium sare oo ku jirta lugta togan, taasoo bixisa waxqabad la xoojiyay oo ku saabsan codsiyada heerkulka sare ee muddada dheer.
Tilmaamaha Caadiga ah
- Nooca Heerkulka: Nooca R (Platinum-Rhodium 13-Platinum)
- Heerka IEC: IEC 60584-1
- Heerka ASTM: ASTM E230
Astaamaha Muhiimka ah
- Xasillooni Heerkul Sare leh: Heerkulka hawlgalka muddada dheer ilaa 1400°C; isticmaalka muddada gaaban ilaa 1700°C
- Saxnaanta Sare: Dulqaadka Heerka 1aad ee ±1.5°C ama ±0.25% akhriska (midkii ka weyn)
- Heerka Hooseeya ee Mootooyinka: ≤0.05% Mashquul koronto oo kulaylaha ah ka dib 1000 saacadood heerkul ah 1200°C
- Iska caabbinta Oxidation-ka: Waxqabad aad u fiican oo ku saabsan oksaydhaynta iyo jawiga aan firfircoonayn (iska ilaali yaraynta deegaanka)
- Awood Heerkul-koronto oo Sare: Waxay dhalisaa 10.574 mV 1500°C (isgoyska tixraaca 0°C)
Tilmaamaha Farsamada
| Sifada | Qiimaha |
|---|---|
| Dhexroorka silig | 0.2mm, 0.3mm, 0.5mm (dulqaad: -0.015mm) |
| Awoodda Heerkulka Korontada (1000°C) | 7.121 mV (marka la barbar dhigo 0°C tixraaca) |
| Heerkulka Hawlgalka Muddada Dheer | 1400°C |
| Heerkulka Hawlgalka Muddada Gaaban | 1700°C (≤20 saacadood) |
| Xoogga Jilicsanaanta (20°C) | ≥130 MPa |
| Kordhinta | ≥25% |
| Iska caabinta Korontada (20°C) | Lugta togan: 0.24 Ω·mm²/m; Lugta taban: 0.098 Ω·mm²/m |
Halabuurka Kiimikada (Caadiga, %)
| Kondurka | Qaybaha ugu Muhiimsan | Walxaha raad-raaca (ugu badnaan, %) |
|---|---|---|
| Lugta Togan (Platinum-Rhodium 13) | Pt: 87, Rh: 13 | Ir:0.02, Ru:0.01, Fee:0.003, Cu:0.001 |
| Lugta taban (Platinum saafi ah) | Qayta: ≥99.99 | Rh:0.003, Ir:0.002, Fee:0.001, Ni:0.001 |
Qeexitaannada Badeecada
| Shay | Faahfaahinta |
|---|---|
| Dhererka halkii Spool | 5m, 10m, 20m, 50m (qalab bir qaali ah) |
| Dhammaadka Dusha Sare | Muraayad dhalaalaysa, oo muraayad dhalaalaysa (lakab oksaydh la'aan ah) |
| Baakad | Faakiyuum lagu shaabadeeyay weelal ay ka buuxaan argon si looga hortago wasakhowga. |
| Habaynta | NIST-la raadin karo iyadoo la raacayo shahaadada awoodda kuleyliyaha |
| Xulashooyinka Gaarka ah | Nadiifin gaar ah oo la jarjaray oo loogu talagalay codsiyada daahirnimada aadka u sareysa |
Codsiyada Caadiga ah
- Tijaabinta matoorada hawada sare (qolalka gubashada heerkulka sare leh)
- Foornooyinka warshadaha ee saxsan (sifeynta dhoobada horumarsan)
- Soo saarista Semiconductor (samaynta wafer silicon)
- Cilmi-baarista birta (tijaabinta dhibicda dhalaalaysa ee superalloy)
- Wax soo saarka faybarka galaaska (aagagga foornada heerkulka sare leh)
Waxaan sidoo kale bixinnaa baaritaanno heerkulbeeg oo nooca R ah, isku xireyaal, iyo fiilooyin fidin ah. Sababtoo ah qiimaha sare ee biraha qaaliga ah, muunado bilaash ah ayaa laga heli karaa dherer xaddidan (≤1m) marka la codsado, iyadoo la raacayo shahaadooyin faahfaahsan oo agab ah iyo warbixinno falanqayn wasakh ah.
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