lub teeb vuam

Cov tshuab vuam hlau uas siv neeg hlau tau hloov pauv txoj kev vuam los ntawm kev siv tshuab automation, nrog rau lawv qhov tseem ceeb hauv kev rhuav tshem cov teeb meem kev vuam tes:

Hais txog kev ruaj khov, lawv tshem tawm tag nrho cov kev hloov pauv ntawm cov kev vuam uas tshwm sim los ntawm kev qaug zog thiab muaj kev sib txawv hauv kev ua haujlwm tes. Los ntawm lub kaw lus tswj hwm lub voj voog kaw, qhov kev hloov pauv ntawm cov kev cai tseem ceeb xws li arc voltage, tam sim no, thiab kev mus ncig ceev yog tswj tau hauv ± 5%.