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Bumwe mu bwoko bwa Sensor Bwisanzuye -— Platinum Resistance Sensor

Kurwanya platine, bizwi kandi nka platine irwanya ubushyuhe, agaciro kayo kazahinduka hamwe nubushyuhe. Kandi agaciro ko kurwanya platine kiyongera buri gihe hamwe no kwiyongera kwubushyuhe.

Kurwanya platine birashobora kugabanywa mubicuruzwa bya PT100 na PT1000, PT100 bivuze ko kurwanya kwayo kuri 0 ℃ ari 100 oms, PT1000 bivuze ko kurwanya kuri 0 ℃ ari 1000 oms.

Kurwanya platine bifite ibyiza byo kurwanya kunyeganyega, guhagarara neza, kwizerwa gukomeye, kurwanya umuvuduko ukabije, nibindi bikoreshwa cyane mubuvuzi, moteri, inganda, kubara ubushyuhe, icyogajuru, ikirere, kubara guhangana nibindi bikoresho byubushyuhe bwo hejuru.

铂电阻传感器

 

PT100 cyangwa PT1000 ibyuma byubushyuhe nibisanzwe cyane mubikorwa byinganda. Kubera ko byombi ari sensor ya RTD, mu magambo ahinnye RTD bisobanura "ubushyuhe bwo kurwanya ubushyuhe". Kubwibyo, ni sensor yubushyuhe aho kurwanya biterwa nubushyuhe; Iyo ubushyuhe buhindutse, kurwanya sensor nabyo bizahinduka. Kubwibyo, mugupima ubukana bwa sensor ya RTD, urashobora gukoresha sensor ya RTD kugirango upime ubushyuhe.

Ibyuma bya RTD mubusanzwe bikozwe muri platine, umuringa, nikel alloys cyangwa okiside zitandukanye, kandi PT100 nimwe mubyuma bisanzwe. Platinum ni ibikoresho bisanzwe kuri sensor ya RTD. Platinum ifite isano yizewe, isubirwamo kandi igereranya umurongo wo kurwanya ubushyuhe. Rukuruzi ya RTD ikozwe muri platine yitwa PRTS, cyangwa "ibipimo bya platine birwanya." Ikoreshwa cyane rya sensor ya PRT mubikorwa byinganda ni sensor ya PT100. Umubare “100 ″ mwizina ryerekana kwihanganira 100 ohm kuri 0 ° C (32 ° F). Ibindi kuri ibyo nyuma. Mugihe PT100 ari sensor ya platine ikunze kugaragara cyane RTD / PRT, hariho izindi nyinshi, nka PT25, PT50, PT200, PT500, na PT1000. Itandukaniro nyamukuru hagati yibi byuma byoroshye biroroshye kubitekerezaho: iyi ni ukurwanya sensor kuri 0 ° C, ivugwa mwizina. Kurugero, sensor ya PT1000 ifite kwihanganira 1000 oms kuri 0 ° C. Ni ngombwa kandi gusobanukirwa coefficient yubushyuhe kuko igira ingaruka kubirwanya ubundi bushyuhe. Niba ari PT1000 (385), bivuze ko ifite coefficente yubushyuhe bwa 0.00385 ° C. Kwisi yose, verisiyo isanzwe ni 385. Niba coefficient itavuzwe, mubisanzwe ni 385.

Itandukaniro riri hagati ya PT1000 na PT100 Kurwanya ni ibi bikurikira:

1.Ubusobanuro buratandukanye: Imyitwarire ya reaction ya PT1000 irarenze iyo PT100. Ubushyuhe bwa PT1000 burahinduka kurwego rumwe, kandi agaciro ko guhangana kiyongera cyangwa kugabanuka nka 3.8 oms. Ubushyuhe bwa PT100 burahinduka kurwego rumwe, kandi agaciro kokurwanya kiyongera cyangwa kugabanuka nka 0.38 oms, biragaragara ko 3.8 oms byoroshye gupima neza, kubwibyo rero nukuri ni hejuru.

2. Ibipimo by'ubushyuhe bwo gupima biratandukanye.

PT1000 ikwiranye no gupima ubushyuhe buke; PT100 irakwiriye gupima ibipimo binini by'ubushyuhe.

3. Igiciro kiratandukanye. Igiciro cya PT1000 kiri hejuru yicy'i PT100.

 


Igihe cyo kohereza: Nyakanga-20-2023