Electromagnetic Flow Meter Accuracy: 0.5% to 1% Communications: RS-232, RS-485,Hart, MODBUS BF-LDH Series Electromagnetic Flow Meter1. IntroductionBF- ... 2. Special Features- zero pressure losing;- Corrosion protection, abrasion resistant;- High accuracy, Stable performance 3. Conditions- Ambient temperature: -10~60;- ... ;- Communications: RS-232, RS-485,Hart, MODBUS. Electromagnetic Flow Meter