Chizindikiro cha liwiro la mphepo chimapangidwa ndi RS485, 4-20mA, DC0-5V ndi njira zina zotulutsa.Ndi sensa yomwe imagwiritsidwa ntchito makamaka kuyang'anira kuthamanga kwa mphepo.Chizindikirocho chimatha kuwunika mosalekeza kuthamanga kwa mphepo, ndikusintha liwiro la mphepo kukhala RS485, 4-20mA kapena DC0-5V ndi zizindikilo zina ndikuzipereka ku zida zofananira nthawi yomweyo.