Liquid Turbine Flow Meter, Electromagnetic Flow Meter, Vortex Flow Meter manufacturer / supplier in China, offering Industrial Flow Totalizer Gt30xf LCD Display 4-20mA 0-10mA Input RS232 RS485 Modbus RTU Protocol 220VAC 24VDC Power Supply, Gt30xf Flow Totalizer with Temperature and Pressure Compensation 4-20mA 0-10mA Inputs RS485 Interface Data Logger, 4 Channel 8 Channel 16 Channel Data Logger Temperature Humidity Pressure Sensor Recorder 4-20mA Input RS485 Remote Monitoring and so on.