Na fasaharLantarki

Digital voltmeter a mai son rediyo Lab

Kwanan nan, cikin kasuwar aunawa kida, da yawa ya canza ga mafi alhẽri. Sales, m dijital multimeter domin aunawa halin yanzu, irin ƙarfin lantarki, da juriya, wanda aiki a isasshe fadi da kewayon. Da yawa daga cikinsu suna sanye take da ƙarin ayyuka, misali, za a iya sarrafa a cikin "gaba" ko sarkar don auna rabo daga transistors. Kila ko da yaushe ya hada da wani dijital voltmeter. Awon karfin wuta ji - shi ne mai babbar mataki a ci gaba, gyara ko gyara na na'urorin lantarki na wani rikitaccen.

Da dijital voltmeter zuwa gida awon wajibi ne domin dalilai da yawa. Irin wannan na'urorin ne isasshe m ne kuma abin dogara. Haka kuma, ji ne ba zai yiwu ba tare da aikin mai son rediyo, da kuma ingancin da samar ma'aunai dogara a kan abubuwa da yawa. Babban bambancin dake tsakanin wadannan na'urori daga analog "yan'uwa" shi ne wani babban ciki juriya, wanda shi ne wani lamuni na gaskiya nuni a lokacin da aiki a low irin ƙarfin lantarki haihuwarka. Digital DC voltmeter ne iya auna ƙarfin lantarki a fitarwa daga cikin guntu, kuma ba "bazzara" kewaye. Wannan shi ne musamman gaskiya a lõkacin da aiki a aiwatar iko haihuwarka. Wani tsoma baki a cikin wannan harka iya rage da matakin na kula da alama irin ƙarfin lantarki da kuma sa matsalar aiki na samfur na dukan samar line. Digital na'urorin da wannan drawback da shi ne cikakken aminci don amfani.

Amma yana da ba haka ba "Rosy" da kuma cikakken amince da novelties a filin na aunawa kida , ma, ba shi daraja. DVM sosai mugun girman kan layi da kuma a halin yanzu alternating haihuwarka. A wasu kalmomin, a lokacin da ka yi kokarin yin wani ji a kewaye babban har, bayar da kananan kaya a kan fitarwa na wannan kewaye, muna iya samun cikin da ba daidai ba da sakamakon. Wannan na iya zama saboda high matakan da "tsangwama", wanda ake superimposed a kan babban alama. A dijital voltmeter AC an tsara aiki a cikin wani misali mita haihuwarka da kuma fara nuna hali erratically idan aka modified. A wannan za a iya ce game da aiki tare da haihuwarka lantarki ƙarfin lantarki, da siffar daban-daban daga ba tare da kalaman (triangular, rectangular, da dai sauransu).

Talakawa akan kayan aiki a cikin wannan girmamawa ne sosai fiye da yadda ta dijital gasa. Ya na da low shigar impedance, kuma a lõkacin da aiki tare da layin ya "watandar" duk interferences da kuma nuna ainihin wadata irin ƙarfin lantarki. Game da wadanda ba misali mita ƙarfin lantarki ma'aunai, da na'urar bai san abin da a hamsin Hertz. Shi zai nuna da talakawan daukar darajar.

Bisa ta gabatar ba, yana yiwuwa ya zana wasu karshe. DVM ne dace don amfani a cikin gida awon, misali, a gyara na lantarki. To wannan na'urar nuna kanta a DC kananan har.

A mafi wani zaɓi - to ba ya awon dama iri kida, sai su yi magana, "a kan dukan lokatai." A wannan yanayin, za ku zama lafiya shirye, kuma lalle Munã su iya warware wani, ko wajen hadaddun, aiki.

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