... intelligent meter for online measurement and control of flow...2. Working conditions.1) Signal range: ... /L or 4-20mA output2) Power supply of flow sensor: DC24V3) Power supply of system: AC220V ... output and is able to display temporal flow, accumulated flow, accumulated mass and real clock.2) ... measurement data...7) According to the temporal flow with 4-20mA input, output the correspondent current ...