Digital ammeter da hannuwansu. Digital ammeter da voltmeter

Amperemeters - suna da na'urorin da ake amfani da su sanin halin yanzu a cikin kewaye. Digital gyare-gyare suna sanya a kan tushen da comparators. suka sãɓã wa jũna a cikin daidaito na ji. Yana da muhimmanci a lura da cewa na'urorin za a iya shigar a cikin wani rangadi tare da DC da kuma AC.

Type-bambanta garkuwa, šaukuwa da kuma gina-in gyara. By ganawa yana da bugun jini da kuma lokaci-m na'urar. A wani raba category suna alama zabe model. Domin karin cikakken zama uproarious a cikin na'urori, yana da muhimmanci a san ammeter na'urar.

tuki ammeter

Al'ada dijital ammeter kewaye hada da wani comparator, tare da resistors. da microcontroller da ake amfani da irin ƙarfin lantarki hira. Mafi sau da yawa aka yi amfani da tare da tunani diodes. Cakosoban suna shigar kawai zabe gyare-gyare. broadband tace ana amfani da su kara daidaito na ma'aunai. Phase na'urorin suna sanye take da radiyo.

Model da hannuwanku

Tattara dijital ammeter da hannuwansu ne wuya. Da farko wannan zai bukaci a ingantaccen comparator. ýan siga kada ta kasance kasa da 2.2 microns. Mafi qarancin ƙuduri shi dole ne a kiyaye a 1 Ma. A microcontroller a cikin na'ura an saita zuwa reference diodes. Nuni tsarin da alaka da ita ta hanyar da tace. Bugu da ari, domin tattara dijital ammeter da hannunsa shigar resistors.

Mafi sau da yawa suna zaba kira na sauri irin. Shunt a cikin wannan harka dole ne a sanya a baya da comparator. Division rabo ya dogara da transceiver naúrar. Idan muka magana game da wani sauki model, shi yana amfani da tsauri da irin. Modern na'urorin suna sanye take da matsananci-madaidaici takwarorinsu. Constant na yanzu tushen iya zama al'ada lithium-ion baturi irin.

DC na'urar

Digital DC ammeter aka bayar a kan tushen da sosai m comparator. Yana da muhimmanci a lura da cewa cakosoban suna shigar a cikin na'urorin. Resistors su dace da kawai gwada-up irin. A microcontroller a wannan harka da aka kafa da reference diodes. Idan muka magana game da sigogi, da m ƙuduri na na'urorin da ke daidai da 1 Ma.

gyare-gyare AC

Ammeter (digital) AC za a iya yi da kansa. Microcontrollers ana amfani da model da rectifiers. Don kara daidaito na ji tambaya tace kamar broadband. Shunt juriya a wannan yanayin bai kamata kasa da 2 ohms. Ƙima na resistor ake bukata ya zama 3 microns. Cakosoban yawanci shigar fadada irin. Yana da muhimmanci a lura da cewa da bukatar gina wani triode. Ba dole ne a soldered kai tsaye zuwa comparator. Halatta kuskure da na'urorin na irin wannan ne a kusa da 0.2%.

Pulse aunawa kida

Pulse gyara halin da ciwon counters. Yanzu model an kerarre a kan tushen da uku-lambobi na'urar. Resistors ana amfani kawai orthogonal irin. Yawanci, da division factor ne daidai to 0.8 a gare su. Halatta kuskure, bi da bi, shi ne 0.2%. ji na ƙwarai to zafi na yanayi za a iya dangana ga shortcomings na'urorin. Suna kuma haramta amfani a subzero yanayin zafi. Kai-tara gyara matsala. Radiyo model tambaya kawai tsauri irin.

A na'ura na zamani-m gyare-gyare

Phase-m model suna samuwa ga 10 da kuma 12 V. A siga halatta kuskure for model na shawagi a kusa da 0.2%. A fili a cikin na'urorin amfani kawai biyu-bit irin. Microcontrollers ana amfani da rectifiers. Danshi ammeters ba su ji tsoron irin wannan. Wasu gyare-gyare ne amplifiers. Idan da yarjejeniyar tare da na'urar taro, da ake bukata switched resistors. A barga tushen ikon iya zama al'ada lithium-ion baturi. A diode a cikin wannan hali ba a bukata.

Kafin installing da microcontroller da muhimmanci a solder da tace. Converter for lithium-ion bukata m irin. The ji na ƙwarai index shi ne a 4.5 microns. Tare da kaifi ƙarfin lantarki drop a kewaye kamata a bari resistors. Ƙungiyoyin factor a cikin wannan hali ya dogara da bandwidth na comparator. Mafi qarancin matsa lamba na'urorin na irin wannan ba ya wuce 45 kPa. Direct halin yanzu canji tsari game da daukan 230 ms. Agogon kudi dogara a kan ingancin da counter.

Students zabe na'urorin

Zababben dijital DC ammeter aka sanya a kan tushen da comparators da high bandwidth. Iya hakuri kuskure model daidai 0.3%. Na'urorin aiki a kan manufa daya-mataki hadewa. Counters ana amfani kawai biyu-bit irin. Barga halin yanzu kafofin aka kafa domin comparator.

Resistors gwada irin amfani. Domin kai-taro model bukatar biyu radiyo. The tace a cikin wannan harka iya ƙwarai inganta ji daidaito. Mafi qarancin matsa lamba na'urori ne a kusa da 23 kPa. A kaifi ƙarfin lantarki drop auku wuya. Shunt juriya ne yawanci kasa da 2 ohms. A halin yanzu ganewa mita dogara a kan comparator.

Universal ma'auni na'urorin

Universal ma'auni na'urorin su ne mafi dace domin amfanin gida. Comparators ba mai ji na ƙwarai sukan shigar a cikin na'urorin. Saboda haka, canja kuskure ne a kusa da 0.5%. Counters an yi amfani da uku-lambar da irin. Resistors ana amfani dangane da capacitors. Transistors samu a biyu da lokaci da kuma bugun jini irin.

Matsakaicin ƙuduri na kida bai wuce 12 Ma. Shunt juriya, kamar yadda mai mulkin, shi ne, a yankin na 3 ohms. Zafi na'urorin ne 7%. A matuƙar matsa lamba a cikin wannan hali ya dogara da shigar kariya tsarin.

Panel-saka model

Panelboard gyare-gyare suna sanya a ranar 10 da kuma 15 V. A comparators a cikin na'urorin shigar da rectifiers. Canja kuskure na'urorin ba kasa da 0.4 5. Na'ura Mafi qarancin matsa lamba daidai game da 10 kPa. Converters ake amfani da yafi AC irin. Domin kai taron jama'ar inji ba zai iya yi ba tare da biyu-bit counter. A resistors a cikin wannan yanayin ne ya kafa tare da cakosoban.

saka gyara

Saka dijital ammeter aka bayar a kan tushen da reference comparator. Da damar da model da fairly high, da kuma gefe na kuskure ne daidai game da 0.2%. A m ƙuduri na kida bai wuce 2 Ma. Cakosoban suna amfani da fadada da kuma bugun jini irin. Resistors high ƙwarai aka saita. Microcontrollers sukan yi amfani ba tare da rectifiers. A talakawan halin yanzu hira tsari ba ya wuce 140 ms.

model DMK

Digital ammeters da voltmeters wannan kamfanin ne a high bukatar. A kewayon da m yana da wani sa na tsit model. Idan muka yi la'akari da voltmeters, ba za su iya jure wa a kalla matsa lamba na 35 psi. A wannan yanayin, a toroidal-type transistors ana amfani.

Microcontrollers yawanci shigar da inverters. Ga awon gwaji na'ura na irin wannan da aka fi dacewa dace. Digital ammeters da voltmeters wannan kamfanin suna sanya tare da kare enclosures.

The na'urar Toreh

Ya ce ammeter (digital) samar daga high halin yanzu watsin. Matsakaicin matsa lamba a cikin na'urar kula 80 kPa. A m halatta zafin jiki na ammeter daidai -10 digiri. Ya ce danshi ma'auni na'urar ne ba tsoro. An shawarar shigar da shi a kusa da wani ikon Madogararsa. division rabo ne daidai kawai 0.8. Matsakaicin matsa lamba ammeter (digital) withstands 12 kPa. Yanzu amfani da na'urar ne game da 0.6 A. The transistor yana amfani da zamani da irin. Domin gida amfani, wannan canji ya dace.

The na'urar Lovat

Ya ce ammeter (digital) da aka sanya a kan tushen da biyu-bit counter. A watsin samfurin yanzu shi ne daidai kawai 2.2 microns. Duk da haka, yana da muhimmanci a lura da babban ji na ƙwarai daga comparator. A tsarin yana amfani da wani sauki nuni da amfani da na'urar mai dadi. Resistors a halin yanzu mita (digital) sa kiran sauri irin.

Yana da muhimmanci a lura da cewa za su iya yin tsayayya nauyi. Shunt juriya a cikin wannan yanayin ne ba fiye da 3 ohms. Yanzu hira tsari ke faruwa da sauri isa. A kaifi ƙarfin lantarki drop iya dangantawa da kawai take hakkin da zazzabi tsarin mulki na na'urar. Operating zafi ya ce ammeter ne daidai kamar yadda kashi 70%. Bi da bi, matsakaicin ƙuduri ne 10 Ma.

model DigiTOP

Wannan dijital voltmeter, ammeter DC dakatar da reference diodes. A counter bayar a cikinta biyu-bit irin. A watsin da comparator ne a kusa da 3.5 microns. A microcontroller aka yi amfani da rectifier. yanzu ƙwarai yana da kyawawan high. Samar da wutar lantarki abubuwa a matsayin al'ada baturi.

Resistors an yi amfani da kayan aiki da kira na sauri irin. A stabilizer a cikin wannan hali ba a bayar. A transistor yana daya kawai. Direct halin yanzu hira ne kyawawan azumi. Domin gida amfani, wannan na'urar ne da dace. Matatu aka bayar don kara daidaito na ji.

Idan muka magana game da sigogi na wani voltmeter, wani ammeter, yana da muhimmanci a lura da cewa aiki irin ƙarfin lantarki ne a 12 V Power amfani a cikin wannan yanayin ne daidai to 0.5 A. A m ƙuduri na na'urar da aka wakilta 1 Ma. Shunt juriya da aka located a kusa 2 ohms.

Division factor na voltmeter, ammeter kawai 0.7. Matsakaicin ƙuduri na wannan tsarin shi ne 15 Ma. Direct halin yanzu canji aiwatar daukan ba fiye da 340 ms. Canja kuskure na ce na'urar da aka located a matakin 0.1%. A m matsa lamba a cikin tsarin jure 12 kPa.