Raws li lub cev muaj nuj nqis ntsuas, sensors tuaj yeem muab faib ua pawg xws li hloov chaw, quab yuam, tshaj tawm, qhov kub thiab txias, ntws tus nqi, thiab roj muaj pes tsawg leeg sensors.
Raws li lawv cov qauv kev khiav haujlwm, cov sensors tuaj yeem muab faib ua pawg xws li resistive, capacitive, inductive, voltage-raws li, Hall effect, photoelectric, grating, thiab thermocouple sensors.
Raws li qhov tshwm sim ntawm lawv cov teeb liab tso tawm, cov sensors tuaj yeem muab faib ua: hloov- hom sensors, uas tso tawm cov xeev tsis sib xws ("1" thiab "0," lossis "on" thiab "off"); analog sensors, uas tso zis tas li teeb liab; thiab digital sensors, uas tso zis pulses lossis cov lej.
