Linear Wire Displacement Sensor for Container Reach Stackers and Front Lifting Cranes
Application Report | August 2026 | Waterproof Linear Wire Displacement Sensor for Container Reach Stackers and Front Lifting Cranes

At a Glance
- Real-time boom and lifting-position measurement
- High-precision displacement feedback for accurate container handling
- Absolute position measurement with power-off memory
- IP68 option for rain, humidity, and demanding port environments
- Easy integration with automated reach stacker control systems
The Application
Container reach stackers are widely used in ports, container yards, railway terminals, and logistics centers for handling and stacking 20-foot and 40-foot containers. Accurate control of the boom and lifting mechanism is essential for safe and efficient container positioning.
BriterEncoder draw wire displacement sensors can be installed on the boom, telescopic mechanism, or lifting structure to continuously measure linear movement and provide real-time position feedback to the machine control system.


The Goal
The goal is to obtain reliable and accurate position data throughout boom extension, lifting, and container handling.
Continuous displacement feedback helps the control system precisely manage movement, prevent operation beyond safe travel limits, reduce positioning errors, and support automated container handling.
The Solution
A BriterEncoder draw wire displacement sensor is connected between a fixed point on the reach stacker and the moving boom or lifting mechanism. As the mechanism extends or retracts, the stainless-steel wire follows the movement and converts the change in travel into an absolute position signal.
The signal can be transmitted to the PLC or main controller for:
Boom Movement → Wire Displacement → Position Signal → Controller → Motion & Safety Control
BriterEncoder sensors offer measurement ranges up to 10 m, linear accuracy up to ±0.1%, repeatability up to ±0.01%, and mechanical absolute position memory without batteries. RS485, RS232, CAN and other interfaces are available for system integration.


The Benefits
- Precise Positioning:Continuous position feedback improves boom and container positioning accuracy.
- Improved Safety:Real-time displacement data can be used for travel-limit monitoring and safety protection.
- Power-Off Memory:Absolute measurement retains position information after power interruption without batteries.
- Higher Efficiency:Accurate feedback reduces unnecessary movement and improves loading and stacking efficiency.
- Automation Ready:Multiple communication interfaces enable easy integration with intelligent reach stacker systems.
- Rugged Outdoor Design:IP68 waterproof models are suitable for rain, humidity, dust, and demanding port conditions.


