Contact Capacitive Point Level Detection
— Used for overflow prevention and leak detection.
— Used for overflow prevention and leak detection.
LI Type Water Level Sensor

LI Type Features&Spec
1 Switch Output, Normally Closed/Normally Open Programmable
Rod Length [mm] | Water Temp [°C] | Oil Temp [°C] | Order Number |
132 | 0-35 (0…65)* | 0…65 | LI5141 |
273 | 0…35 (0…65)* | 0…65 | LI5142 |
481 | 0…35 (0…65)* | 0…65 | LI5143 |
737 | 0…35 (0…65)* | 0…65 | LI5144 |
1 Switch Output, Normally Closed
Overflow Protection Compliant with WHG* Standard
Rod Length [mm] | Water Temp [°C] | Oil Temp [°C] | Order Number |
132 | 0…35 | 0…65 | LI2141 |
273 | 0…35 | 0…65 | LI2142 |
481 | 0…35 | 0…65 | LI2143 |
Leakage Protection Compliant with WHG* Standard
Rod Length [mm] | Water Temp [°C] | Oil Temp [°C] | Order Number |
132 | 0…35 | 0…65 | LI2241 |
273 | 0…35 | 0…65 | LI2242 |
481 | 0…35 | 0…65 | LI2243 |
Why Choose LI Type?
- Quick Installation:Easy installation and adjustment.
- Flexible:Normally closed/normally open adjustable.
- Clear Indication:Visually clear switch point indication.
- Multiple Uses:Insertion depth from 132 to 737 mm.
- Certified:Certified for overflow protection or leakage sensors compliant with WHG*.
IFM Water Level Sensor Switches – Complete Model Overview