... 2)flange,clamp,thread connection 3)4-20mA,pulse,frequency output 4)HART,MODBUS output Detailed Product DescriptionFlow Meterwith competitive pricegood stability and ... 4.0Mpa,6.4MpaProtection grade: IP67, IP68Output signal: 4~20mA output, frequency, pulseProtocal: RS485(MODBUSE ), and HARTSupply power: 86~265V AC ...