Cov xov hluav taws xob thermocouple compensation kuj tseem tuaj yeem hu ua cov xov hluav taws xob instrumentation, vim lawv siv rau kev ntsuas kub ntawm cov txheej txheem. Kev tsim kho zoo ib yam li cov xov hluav taws xob khub tab sis cov khoom siv conductor txawv. Thermocouples siv rau hauv cov txheej txheem los ntsuas qhov kub thiab txuas nrog pyrometers rau kev qhia thiab kev tswj hwm. Lub thermocouple thiab pyrometer raug hluav taws xob los ntawm cov xov hluav taws xob txuas ntxiv thermocouple / thermocouple compensating cables. Cov conductors siv rau cov xov hluav taws xob thermocouple no yuav tsum muaj cov khoom zoo sib xws thermo-electric (emf) zoo li cov thermocouple siv rau kev ntsuas qhov kub.
Hom T Thermocouple (Tooj liab + /Constantan– ) T yog ib txoj hlua thermocouple uas muaj qhov ntsuas qhov kub thiab txias siab. Nws nrov nrog kev teeb tsa kev ntsuas kub hauv kev tshawb fawb thiab kev kho mob. Nws qhov tseeb yog ± 1°C / 2°F rau cov kev txwv tus qauv thiab ± 0.5°C / 1°F rau cov kev txwv tshwj xeeb, thiab muaj qhov kub thiab txias ntawm -330°F ~ 662°F (-200°C ~ 350°C) nyob ntawm qhov loj ntawm cov hlua.
Peb lub Hoobkas feem ntau tsim cov hlau sib txuas hom KX, NX, EX, JX, NC, TX, SC/RC, KCA, KCB rau thermocouple, thiab lawv siv rau hauv cov cuab yeej ntsuas kub thiab cov cables. Peb cov khoom siv thermocouple compensating yog ua raws li GB / T 4990-2010 'Alloy wires of extension and compensating cables for thermocouples' (Suav Teb Chaws Tus Qauv), thiab tseem IEC584-3 'Thermocouple part 3-compensating wire' (Tus qauv thoob ntiaj teb).
Tus sawv cev ntawm cov xov hlau comp.: thermocouple code + C / X, piv txwv li SC, KX
X: Luv rau kev txuas ntxiv, txhais tau hais tias cov hlau them nyiaj ntawm cov hlau sib xyaw yog tib yam li cov hlau sib xyaw ntawm lub thermocouple
C: Luv rau kev them nyiaj, txhais tau hais tias cov hlau them nyiaj ntawm cov hlau muaj cov cim zoo sib xws nrog cov thermocouple's alloy hauv qee qhov kub thiab txias.
Daim Ntawv Thov:
1. Kev Ua Kub - Cov roj hlawv rau qhov cub
2. Kev Txias - Cov Tub Yees
3. Kev tiv thaiv cav - Kub thiab kub ntawm qhov chaw
4. Kev tswj kub siab - Hlau casting
Cov Txheej Txheem Nthuav Dav
| Cov lej thermocouple | Hom sib piv | Lub Npe Hlau Sib Piv | Zoo | Tsis zoo | ||
| Lub Npe | Cov Cai | Lub Npe | Cov Cai | |||
| S | SC | tooj liab-constantan 0.6 | tooj liab | SPC | tsis hloov pauv 0.6 | SNC |
| R | RC | tooj liab-constantan 0.6 | tooj liab | RPC | tsis hloov pauv 0.6 | RNC |
| K | KCA | Hlau-constantan22 | Hlau | KPCA | constantan22 | KNCA |
| K | KCB | tooj liab-constantan 40 | tooj liab | KPCB | tsis hloov pauv 40 | KNCB |
| K | KX | Chromel10-NiSi3 | Chromel10 | KPX | NiSi3 | KNX |
| N | NC | Hlau-constantan 18 | Hlau | NPC | constantan 18 | NNC |
| N | NX | NiCr14Si-NiSi4Mg | NiCr14Si | NPX | NiSi4Mg | NNX |
| E | EX | NiCr10-Constantan45 | NiCr10 | EPX | Constantan45 | ENX |
| J | JX | Hlau-constantan 45 | Hlau | JPX | tsis hloov pauv 45 | JNX |
| T | TX | tooj liab-constantan 45 | tooj liab | TPX | tsis hloov pauv 45 | TNX |
| Xim ntawm Rwb Thaiv Tsev thiab Sheath | ||||||
| Hom | Xim rwb thaiv tsev | Xim ntawm lub hnab tshos | ||||
| Zoo | Tsis zoo | G | H | |||
| / | S | / | S | |||
| SC/RC | LIAB | Ntsuab | DUB | Xim av | DUB | DAJ |
| KCA | LIAB | Xiav | DUB | Xim av | DUB | DAJ |
| KCB | LIAB | Xiav | DUB | Xim av | DUB | DAJ |
| KX | LIAB | DUB | DUB | Xim av | DUB | DAJ |
| NC | LIAB | Xim av | DUB | Xim av | DUB | DAJ |
| NX | LIAB | Xim av | DUB | Xim av | DUB | DAJ |
| EX | LIAB | XIM AV | DUB | Xim av | DUB | DAJ |
| JX | LIAB | XIM AV | DUB | Xim av | DUB | DAJ |
| TX | LIAB | DAWB | DUB | Xim av | DUB | DAJ |
| Lus Cim: G – Rau kev siv dav dav H – Rau kev siv uas tiv taus cua sov S – Chav Kawm Tseeb Chav kawm ib txwm tsis muaj cim qhia | ||||||
Cov Lus Qhia Txog Kev Ntim Khoom: 500m/1000m ib yob nrog yas zaj duab xis qhwv thiab thawv ntawv. Raws li qhov ntau thiab tsawg thiab cov neeg siv khoom xav tau.
Kev Qhia Txog Kev Xa Khoom: Los ntawm hiav txwv / cua / Kev xa khoom sai









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