*Integrated design, easy installation

 *The three-wire system, survey stable reliable

 *Low dead zone, highly sensitive

 *The intelligence signal processing technology, adapts each kind of operating mode 

 *Original automatic power control, automatic gain control

 *Over voltage and overflow protective device，thunder and lighting protection

 *Photo electricity isolation 4-20mA electric current output

 *The expiration protection, the electric current outputs 22mA

 *Permission big electric current through the double relay uses in the pump control or reports to the police

 *LCD or the LED big display window, is advantageous for the debugging and the observation

 *Advanced from clamp type binding clamp, guaranteed the wiring with does not become less crowded