JEF-100 usoro nwere ọgụgụ isi metal tube Flowmeter adopts dịghị kọntaktị na-adịghị hysteresis technology ịchọpụta mgbanwe n'akuku nke magnetik, na na elu-arụmọrụ MCU, nke nwere ike na-aghọta LCD ngosi: ozugbo eruba, mkpokọta eruba, akaghị ugbu a. , okpomọkụ gburugburu ebe obibi, oge nkwụsịtụ.