ʻO WP311 Series Immersion Type 4-20mA Water Level Transmitter (i kapa ʻia ʻo Submersible/Throw-in pressure transmitter) e hoʻohana i ka loina hydrostatic pressure e hoʻololi i ke kaomi wai i ana ʻia i ka pae. ʻO WP311B ka ʻano māhele, ʻo ia ka mea nuiʻo ia ka pahu hui pū ʻole, ke kaula hoʻolei a me ka ʻimi ʻike. Hoʻohana ka probe i ka chip sensor o ka maikaʻi maikaʻi loa a hoʻopaʻa ʻia i ka loaʻa ʻana o ka pale komo IP68. Hiki ke hana ʻia ka ʻāpana immersion me nā mea anti-corrosion, a i ʻole e hoʻoikaika ʻia e pale aku i ka uila.