There are 38 words by providing refined index in Level Switches.
 3-wire connections
3-wire connections
 alternative operation
alternative operation
 city water
city water
 condensate
condensate
 conductance
conductance
 conductivity
conductivity
 contact capacity of output
contact capacity of output
 disconnection detection function
disconnection detection function
 distilled water
distilled water
 distribution reservoir
distribution reservoir
 drain
drain
 electric corrosion
electric corrosion
 Electrode Holder
Electrode Holder
 elevated water tank
elevated water tank
 idling prevention
idling prevention
 initial operation method
initial operation method
 inrush current
inrush current
 Liquid Leakage Sensor Amplifier
Liquid Leakage Sensor Amplifier
 minimum applicable load
minimum applicable load
 must-operating voltage
must-operating voltage
 operating resistance
operating resistance
 pumped water
pumped water
 pure water
pure water
 purified water
purified water
 rainwater
rainwater
 reset resistance
reset resistance
 return water
return water
 self-holding
self-holding
 septic tank
septic tank
 sequential operation method
sequential operation method
 specific resistance
specific resistance
 spring water
spring water
 stored water
stored water
 switching frequency
switching frequency
 wastewater
wastewater
 wastewater tank
wastewater tank
 water receiver tank
water receiver tank
 water reservoir
water reservoir