Qhov ntev pom zoo rau thermocouple compensating leads feem ntau tsis tshaj 100 meters. Qhov laj thawj tseem ceeb ntawm qhov no yog kom tsis txhob muaj cov hlau lead ntau dhau, uas tuaj yeem ua rau lub teeb liab attenuation thiab qhov tsis sib xws hauv qhov txias txias qhov kub thiab txias gradient, yog li cuam tshuam rau qhov ntsuas kub qhov tseeb.
Specific adjustments should be made based on the application scenario: For typical industrial scenarios (such as normal temperature and short-to-medium distance transmission), a length of 50-100 meters is recommended. This range balances signal transmission stability with installation costs. For ultra-long distances (e.g., exceeding 100 meters), thicker core compensating leads (to reduce resistance) or shielded dedicated leads should be used, along with a low-input-impedance temperature measuring instrument to minimize signal loss. In high-temperature environments (>200 degree) los yog cov xwm txheej uas muaj zog electromagnetic cuam tshuam, qhov ntev yuav tsum tau luv dua (pom zoo tsawg dua los yog sib npaug li 50 meters), thiab txhim kho cov rwb thaiv tsev kub thiab thaiv yuav tsum tau ua los tiv thaiv kev laus los yog cuam tshuam cov teeb liab superposition.
Tshaj qhov ntev tau teev tseg tau yooj yim ua rau muaj teeb meem hauv qab no:
① Attenuation ntawm lub thermoelectric muaj peev xwm teeb liab, ua rau qhov ntsuas qis dua;
② Qhov kub thiab txias gradient ntawm tus neeg xyuas pib nws tus kheej, ua rau muaj kev kub ntxhov ntau ntxiv;
③ Ua kom muaj kev cuam tshuam rau cov teeb liab cuam tshuam hauv qhov chaw muaj zog electromagnetic, cuam tshuam cov ntaub ntawv ruaj khov. Hauv kev siv tswv yim, kev hloov kho yuav tsum tau ua raws li phau ntawv ntsuas ntsuas thiab cov yam ntxwv ntawm cov thermocouple calibration, nrog cov ntsuas ntsuas ruaj khov raws li tus qauv kawg.
