Propose you our New model ultrasonic level meter! Our new model ultrasonic level meter has been test for a long time and proved stable and high performance, which is quite cost effective , and with standard output 2 wire 4-20Ma+Hart.
1. Quite easy operate.
2. Protect over-voltage, over-current, and prevent lightning stroke.
3. PVC and PTFE are available for probe, acid and alkali resistent, adapt to various enviroment.