مقاومة المياه العالية وحماية IP
ت logiq az-zirr al-ma37i7 min khilal mu7adadat qawiya li-mu3ayarat al-7imaya al-bi2iyya (IP67 wa-IP68), wa-dhalika yad3u 3ala al-2adha2 al-mutawaffira 3ind al-ghamr al-kamil aw al-ta3arrud li-3adat maa2i qawiya. wa-tanba3u hadhihi al-qudra al-mutaqaddima 3ala anzimat 7imaya mudarasa bi-3ulm, al-lati ta7dhu min dukhul al-rutuba ma3a al-7ifaz 3ala al-istijaba al-lamsiyya al-fa33ala. wa-yu3adi al-tasmi3 al-mu7kam li-hadha al-zirr al-ma37i7 khalal al-3adat al-qadima, wa-yusahhil dhalika tawli al-mudda al-7ayatiyya lil-munaww3at fi al-bi2iyyat al-ba7riyya wa-al-ma2iyya wa-dhawat al-rutuba al-3aliya. fa-3ind isti3mal al-mustakhdimin li-hadha al-zirr al-ma37i7 fi marakiz al-sibaha wa-al-mala7i7 al-ma2iyya wa-3amaliyyat tarbiyat al-asma2, la yushahiduna ay fashl nati3 3an al-rutuba. wa-yu7misu al-bina2 al-shamil li-l-tasmi3 al-mukammal al-mutassilat al-kahrabiyya al-daqiqa wa-al-2ajza2 al-mikaniyya min ta2thir at-ta7allul al-nati3 3an al-ma2 al-ba7ri wa-al-kalurin wa-wad3 al-3anaser al-ma3dinyya. wa-taj3al hadhihi al-qudra al-fa33ala 3ala al-ma2 min al-zirr al-ma37i7 mukawwinan la yajuzu 3adumuhu fi al-nizam al-7arajiyya al-lati tatallab thiqat mutlaqa fi al-7alat al-ratiba.