Iyi metero yipima ubunini bwumufuka irashobora gupima uburinganire bwubutaka hamwe no kurwanya ubutaka, hamwe nintera nini kuva kuri 103 oms / □ kugeza 1012 oms / □, hamwe nukuri kuri 1/2.
Porogaramu
Kugirango upime inzitizi yubuso, shyira metero hejuru kugirango bapimwe, kanda kandi ufate buto yo gupima umutuku (TEST), diode ikomeza gucana urumuri (LED) yerekana ubunini bwikigereranyo cyapimwe.
103 = 1 kiloohm icyatsi LED
104 = 10k ohm icyatsi kibisi LED
105 = 100kohm icyatsi LED
106 = 1 mega ohm umuhondo LED
107 = 10 megaohm y'umuhondo LED
108 = 100 megaohm y'umuhondo LED
109 = 1000 megaohm y'umuhondo LED
1010 = 10000 megaohm y'umuhondo LED
1011 = 100000 megaohm umuhondo LED
1012 = 1000000 megaohm itukura LED
> 1012 = LED itukura
Gupima kurwanya ubutaka
Shyiramo insinga zubutaka mu butaka (Ground), butondekanya iburyo bwa electrode ya metero (kuruhande rumwe na sock). Huza clip ya alligator kuri wire yawe.
Shira metero hejuru kugirango upimwe, kanda kandi ufate buto ya TEST, LED ikomeza kumurika yerekana ubunini bwurwanya ubutaka. Igice cyiki gipimo ni ohms.
tekiniki ya tekiniki
Igikoresho gikoresha uburyo bwa ASTM busanzwe D-257 bubangikanye na electrode yo kumva, ishobora gupima byoroshye kandi inshuro nyinshi ibintu bitandukanye bitwara ibintu, imyanda ya electrostatike, hamwe nubutaka.
Iboneza ry'ibicuruzwa
Umucumbitsi umwe, icyemezo, nigitabo