Liberty Electric Products

Sensing & Automation

Industrial automation is changing at an extremely rapid pace. As an innovation leader, we draw on many years of expertise, supplemented by our broad range of product offerings to provide our customers with the best solution for their application. Networked production and control processes, along with sensors that record real operational statuses in complex machine environments will be necessary to support dynamic, real-time-optimized, and self-organized industry processes.

Our product portfolio has been developed to give our customers complete access to the best of what our world-class manufacturers have to offer. Contact us today so that we can help you specify or replace the right part on your application.


We can provide a range of solutions to reflect, protect, test, and sense using:


  • Proximity Sensors
  • Photoelectric Sensors
  • Automation Light Grids
  • Temperature & Pressure Sensors
  • Detection & Ranging Laser Measurement
  • Distance Sensors
  • Position & Pressure Transducers
  • Capacitive Level Sensors
  • Magnetic Linear & Rotary Encoders
  • Encoders & Inclination Sensors
  • Fluid Sensors & Gas Analyzers
  • Identification Solutions
  • Magnetic Cylinder Sensors
  • Registration Sensors
  • Rotary & Tilt Sensors
  • Melt Pressure Control Systems
  • Machine Vision & Optical Identification
  • Ultrasonic Gas Flow Measuring Devices
  • Solid State Relays
  • Push Buttons & Pilot Lights
  • Mechanical Cam Switches
  • Magnetostrictive Linear Position Sensors
  • Industrial Networking Technology
  • Power Supplies
  • Disconnectors for Photovoltaic DC Applications
  • Intelligent Tower Lights
  • Vector Inverters
  • Servodrives
  • Advanced Power Controllers
  • Control & Load Switches
  • Maintenance & Safety Switches
  • Digital & Mechanical Timers
  • Predetermining Counters

Sick Photoelectric Sensors Photoelectric sensors
Sick Proximity Sensors Proximity Sensors
Sick Flow Sensors Flow Sensors

Liberty Electric Products also has a portfolio of accessories designed to decrease installation costs, prolong sensor life expectancy, reduce unplanned downtime, and increase the overall performance and utility.


Proximity Switches and Sensors

Photoelectric Proximity Switch

The most affordable photoelectric solution is the energetic proximity sensor. A light-colored surface reflects more light than a dark one and can therefore be detected from a greater distance away. To achieve similar results with a dark surface, the sensitivity of the sensor must be increased as light-colored objects against dark backgrounds are easier to detect.

PhotoElectric Proximity Sensors from SICK

Capacitive Proximity Sensor

Capacitive proximity sensors detect all objects. Capacitive proximity sensors are ideal for level and feed monitoring. From solid material, such as paper or wood, to granules or liquids, they reliably detect the status of the product during the production process and final inspection. The sensing range increases with the dielectric constant of the object to be detected.

Inductive Proximity Sensors

Inductive proximity sensors offer reliable detection in nearly all areas and industry sectors. They detect metal targets and are suitable for diverse applications due to their variety of housing shapes and sizes.

Magnetic Proximity Sensors

The defining feature of magnetic proximity sensors is their long sensing ranges, even with small housing sizes. They detect magnetic objects, usually permanent magnets, which are used to trigger switching. As magnetic fields can penetrate many non-magnetizable materials, switching can be triggered even through other materials. By using magnetic conductors (such as iron) the magnetic field can also be transported relatively long distances for various tasks, such as taking a signal out of an area of high temperature.

Magnetic Proximity Sensors from SICK



Additional Resources


SICK SPEETEC Laser Surface Motion Sensor
SICK AG Pallet Pocket Detection with 3D Snapshot Technology
SICK AG Array Sensor AS30