ERTL — linear potentiometer with analog output signal 4-20 mA OPKON

Linear Potentiometers OPKON ERTL Series

Precision Linear Position Sensors for Industrial Applications

Linear potentiometers are displacement transducers that convert the linear motion of a rod or shaft into an electrical signal that represents its position. These linear position sensors (also called linear potentiometric transducers or linear position rulers) allow accurate measurement of an object’s position within the specified stroke range of each model.

Their operating principle is based on voltage division across a hybrid conductive film, ensuring excellent linearity and long-term reliability. Depending on the installation environment, several housing types and mounting styles are available.

Main Features – OPKON ERTL Series

• Device type: Linear potentiometer (position transducer) with inverted output signal

• Measuring range: 30 – 1000 mm

• Output signals:
  – 4–20 mA or 0–10 V (standard)
  – 20–4 mA or 10–0 V (inverted)

• Very stable output with minimal noise

• Extremely low temperature drift

• Excellent repeatability and reliability

• Robust construction for industrial environments

Recommended Applications

Ideal for use in:

• Industrial automation and process control

• Hydraulic and pneumatic cylinder position feedback

• Machine tools and injection molding machines

• Presses, lifts, and linear actuators

• Robotics and testing systems requiring precise linear displacement measurement