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Fluid & Level & Position Sensors

Liquid level sensors help protect and control pumps and coolant systems such as those in cars and trucks. As components of pump controllers, liquid level sensors send data to motors on when to start or stop. In automotive applications, the sensors signal drivers to refill radiators. Pump level sensors made Littelfuse typically use probes and electrodes to detect the presence or absence of liquid. Electrical pulses emitted by the probes return to the electrodes slower when liquid is present. Coolant sensors employ a float magnet actuator. When the magnet falls out of line with the sensor, an alert is sent.

Subcategories under Fluid & Level & Position Sensors

DEF/UREA

Pulsed WaveGuide^TM (PWG) sensors created by Littelfuse offer versatile, accurate, and cost-effective solutions for measuring distance and

Occupant Detection

In commercial and passenger vehicles, seat occupancy sensors feed information to safety systems by detecting whether a person sat down or an object

Powertrain

Automotive fluid, level, and position sensors made by Littelfuse employ Pulsed WaveGuide^TM (PWG) technology to detect a floating or fixed

Reed Switches

Reed switches open and close circuits based on signals received from magnetic sensors. The electromechanical switches themselves often form integral

Rotary Position

Rotary position sensors see wide use in commercial and passenger vehicles as camshaft, crankshaft, pedal, and throttle position sensors. The magnetic

Seat Belt Buckle Detection

Seat belt buckle presence and tension sensors help ensure passenger safety by triggering alarms when people neglect to secure their lap and shoulder

Seat Belt Buckle & Tension Detection

Seat belt buckle presence and tension sensors help ensure passenger safety by triggering alarms when people neglect to secure their lap and shoulder