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Analog Multimeters tana da nufin?

Ta harsuna Analog Multimeter

Analog Multimeter shine wurare da ake amfani da ita don kula manyan abubuwa masu sayaradda kamar fadada tsari, fadada ruwan kwabo, da kuma rikicin kwalba ta hanyar zafi da takalma.

Tattalin Nau'i

Anan yi daga tattalin d’Arsonval galvanometer. Zafi ya nuna darajar na kula a cikin takalma. Idan fadada ruwan kwabo ta gama a cikin coil a cikin sauran jirgin sama, yana shiga karfin zuwa wanda ya kawo zafi a cikin takalma mai darajar.

Aka ambaci duhu masu kontrolling torque zuwa spindle na zafi. A cikin multimeter, galvanometer shine left-zero-type instrument, ma'ana zafi take fara ne a kusa da hagu na baya na takalma inda takalma ta fara da zero.

Wuraren ya yi waɗannan babban ammeter da low series resistance don fadada ruwan kwabo. Don kula fadada ruwan kwabo mai uku, ana kofara shunt resistor a kan galvanometer, wanda yake hada da fadada ruwan kwabo mai uku a kan galvanometer. Wannan yana iya kula multimeter don kula milli-amperes zuwa amperes ta hanyar kofara mafi girman fadada ruwan kwabo a kan shunt.

Don kula fadada tsari na DC, anan yi amfani da primary instrument domin mayar da fadada tsari na DC ko kuma DC voltmeter.

Idan aka kofara multiplier resistance, analog multimeter zai iya mayar da fadada tsari daga milli-volts zuwa kilovolts, kuma wannan meter zai yi waɗannan babban millivoltmeter, voltmeter ko kuma kilo voltmeter.

Da battery da resistance network, multimeter ya yi waɗannan babban ohmmeter. Ana iya kula rage ta hanyar kofara switch zuwa shunt resistances daban-daban, wanda ke iya kula scales masu kula rikicin kwalba daban-daban.

Diagram na Analog Multimeter

Diagram ya nuna switches don zaba abubuwa masu kula da rage, tare da rectifier don AC measurements.

A nan anamata amfani da biyu switches, S1 da S2, don zaba meter na da kyau. Ana iya amfani da range-selector switches masu rage-mafi inganci don zaba rage masu inganci a cikin kula amperes, volts, da kuma ohms. Ana amfani da rectifier don mayar da fadada tsari ko fadada ruwan kwabo na AC ta hanyar multimeter

Abubuwa

• Analog multimeter zai iya tabbatar da wahala mai tsarki a signal da kyau da yake mulkin digital multimeter.

• Duka kula suka iya samun da yanayi da kawai.

• Za su iya tabbatar da fasahohi ko kudeta a signal levels.

Kasashen

• Analog meters suna da kwayoyi a cikin sassan.

• Sun kasa da kwayoyi da mutane.

• Yadda zafi take kawo take da wayar.

• Ba da shakka saboda effektin magnetic field na duniya.

• Suna da rawa a matsaloli da zabi-zabi.