AVS series turbine flowmeter is variety, powerful and skilled. Users can choose single or double line display (with a temperature compensated density) or a remote (without display) display. The output signal is 4～20mA. It has RS-485 communication output signal. The power supply can uses external power or internal battery. It is particularly suited to regular blackouts power shortage situation, once the external power supply outage, the machine will work with inner battery. Battery can work continuously for more than two years.