... flowmeter is a kind of digital velosity type flowmeter, With linear feature,high accuracy, pulse and RS485 output 1. ... output, linear feature;b) High accuracy, sensitive reaction;c) Wide measuring range;d) Signal output:e) Simple structure, easy installation, ... , three-wire system);Pulse output(+24VDC power supply, two-wiresystem);4~20mADC analog flow signal outputExplosion-proof grade: ...