1)electromagnetic flowmeter 2)flange,clamp,thread connection 3)4-20mA,pulse,frequency output 4)HART,MODBUS output Detailed Product DescriptionFlow Meterwith competitive pricegood stability ... : IP67, IP68Output signal: 4~20mA output, frequency, pulseProtocal: RS485(MODBUSE ), and HARTSupply power: 86~265V AC, 18~36V DC Flow Meter(ISO9001,SUS304)