... Co,Ltd sell Ultrasonic Flowmeter, Portable Ultrasonic Flow Meter, Pulse flow meters ApplicationIt is used to measure the ... programming. Output: Programmable 0/4 mA ~ 20 mA,Pulse, Frequency,ContactInput: ContactProtocol: RS232/485,HART--,ProfibusDetection alarm: ... Current output, Pulse / Frequency output, Upper / Lower limit Alarm, Empty ...