2. Analog teeb liab
Tau tshaj 4-20ma analog teeb liab thiab HART kev sib txuas lus raws tu qauv. Muaj peev xwm tiv thaiv kev cuam tshuam. Nrog kev kuaj tus kheej, kev hloov kho, kev hloov pauv pid ua haujlwm. Yuav ncaj qha xa cov teeb liab ntawm lub transmitter. Muaj zog adaptability thiab saj zawg zog thov.

