The 61F model can be selected according to the control method, installation method, liquid to be detected, wiring length, and other requirements.
There are 8 products of Floatless Level Controllers.
            
            
               Conductive Level Controller
            
            
                K8AK-LS
            
        
    Ideal for Liquid Level Control in Industrial Facilities and Equipment.
            
            
               Floatless Level Switch (Compact Type)
            
            
                61F-G[]N
            
        
    Improved Design for a More Lightweight Construction and Reduced Standby Power Consumption.
            
            
               Floatless Level Switch (Basic Type)
            
            
                61F-G[]
            
        
    Basic Building-block Controllers That Mount Directly to Panels for Easier Maintenance
            
            
               Floatless Level Switch (Compact, Plug-in Type)
            
            
                61F-LS
            
        
    Consolidates the Specifications through Free Power Supply, thus Allowing Use in High Temperature Environments with Temperatures of Up to 70°C* * Excluding the DC power supply type.
            
            
               Floatless Level Switch (Plug-in Type)
            
            
                61F-G[]P
            
        
    Compact, Space-saving Plug-in Type Ideal for Pump Panels or Building into Equipment.
            
            
               Floatless Level Switch (Ultra High-sensitivity Type)
            
            
                61F-UHS / HSL
            
        
    Ideal for Detecting Ice, Pure Water, or Humidity
            
            
               Alternate Operation Relay
            
            
                61F-AO
            
        
    Perfect for Alternate Operation of Two Pumps Free Power Supply Makes Maintenance Easy
            
            
               Alternate Operation Relay
            
            
                61F-AN
            
        
    Increases Motor Life and Enables Operating Only One Pump When Cleaning Tanks or as an Emergency Measure for Pump Failures.