Level Controller Model: QCK-YWC 4-20HA equipped with ultrasonic sensors with analog input is specially designed drainage control controller, which small size, intuitive functionality, simple operation. In the field without special software the operator can directly modify the parameters to accommodate the different requirements of the site. 
 Five input points: High, low level and the two fault signals; 
 There are four output points: control the pump operation and output run signal 
 With a load capacity of relay contacts for 250V2A; 
 Program has the automatic rust functionality; pump rotation time is adjustable; automatic failover; level signal delay, the control box of the ordinary circuit do not function 
 The liquid level detection using low power sampling, to avoid oxidation of the strong signal level switch contacts, effectively extended the float service life and effective to ensure the overall reliability of equipment.