Ihe nnyefe ọkwa tankị WP311A nke a na-ejikarị igwe anaghị agba nchara eme ihe na eriri eletriki nke na-eru nchedo ntinye IP68. Ngwaahịa a nwere ike ịtụ ma jikwaa ọkwa mmiri dị n'ime tankị nchekwa site na ịtụba ihe nyocha ahụ n'ala ma chọpụta nrụgide hydrostatic. Eriri conduit nke waya abụọ na-enye mmepụta dị mma na ngwa ngwa nke 4 ~ 20mA na ọkọnọ 24VDC.