... temperature, Pressure, Viscosity, Conductivity,Fluid state. Accuracy of Flow: ±0.2% (0.5% ) ±zero stability/current flow x 100% Security :Security Exib ... for flow,Electrical level,0~15VDC,load of 2K,frequency output being 0Hz in time of zero flow.Therating power in rating flow ... can be set by the users.Communications:RS-485,amplitude value ±5V’baud rate of ...