ankii K hom 24AWG ci ntsa iab loj spoolhlau thermocouple
Cov xov hlau thermocouple tso cai rau ntsuas qhov kub thiab txias hauv hluav taws xob.
Ib qho kev tsim kho thermocouple ib txwm muaj ib khub hlau sib txawv uas tau sib txuas ua ke ntawm qhov chaw sensing thiab txuas nrog lub cuab yeej ntsuas voltage ntawm qhov kawg.
Thaum ib qho kev sib tshuam kub dua li lwm qhov, lub zog thermal "electromotive" (hauv millivolts) raug tsim tawm uas yog kwv yees li sib npaug rau qhov sib txawv ntawm qhov kub ntawm qhov kub thiab txias sib tshuam.
Cov xov hlau thermocouple nrog ntau hom thiab cov lus qhia ntawm peb lub tuam txhab tuaj yeem siv rau hauv txhua hom thermocouples, qhov kub thiab txias ntawm -270ºC txog 1800ºC.
Cov xov hlau thermocouple muaj kev ua tau zoo heev thiab siv dav hauv kev ntsuas kub thiab tswj hwm hauv ntau qhov chaw, xws li metallurgy, tshuaj lom neeg, roj av, tshuab-hluav taws xob, kev lag luam zog, kev ua liaj ua teb thiab lwm yam kev lag luam tshwj xeeb.
Muaj Hom Thermocouple Hlau: K, J, T, E, N, B, R, S
Cov Txheej Txheem Nthuav Dav
| Hom thermocouple thiab cov ntsuas | Kev ntsuas ntau yam ºC | |
| Hom | Cov Ntawv Qhia | |
| Pt70Rh-Pt94Rh | B | 600~1700 |
| Pt87Rh-Pt | R | 0~1600 |
| Pt90Rh-Pt | S | 0~1600 |
| NiCr-Ni | K | -200~1300 |
| NiCr-CuNi (tsis hloov pauv) | E | -200~900 |
| Fe-CuNi (tsis hloov pauv) | J | -40~750 |
| Cu-CuNi (constant) | T | -200~350 |
| NiCrSi-Ni/SiMg | N | -200~1300 |
Daim ntawv thov ntawm thermocouple:
1. Kev Ua Kub - Cov roj hlawv rau qhov cub
2. Kev Txias - Lub Tub Yees
3. Kev tiv thaiv cav - Kub thiab kub ntawm qhov chaw
4. Kev tswj kub siab - Hlau casting
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