1)electromagnetic flowmeter 2)flange,clamp,thread connection 3)4-20mA,pulse,frequency output 4)HART,MODBUS Protocal Detailed Product DescriptionFlow Meterwith competitive pricegood ... , IP68Output signal: 4~20mA output, frequency, pulseProtocal: RS485(MODBUSE ), and HARTSupply power: 86~265V AC, 18~36V DC KKF82E Magnetic Flowmeter(ISO9001,SUS304)