... -20mA;pulse,0-10V;RS232/RS485;Hart protocol,GPS.Our digital flow meter are all LCD display,it also can show ... rixin flow’s technicians in 1996, a new type of digital target flow meter named SBL was developed. This target flow ... of traditional target flow meter, adding digital, teletransmission and telecom output, became a warmly welcomed intelligent type digital target flow meter. In 1997 ...