JW-KPM(S06)KPM Linear Position Sensor with 25-300mm measuring stroke is designed for accurate linear displacement measurement and position feedback in industrial equipment.
The sensor adopts a precision conductive plastic resistance element to convert mechanical movement into a proportional electrical signal.
With a compact pull rod structure, stable output performance and excellent repeatability, this linear position sensor is suitable for applications requiring continuous position measurement.
Typical applications include:
Industrial automation equipment
Hydraulic cylinder position feedback
Printing machinery
Packaging machines
Mechanical testing systems
Automatic control equipment
The sensor supports:
Resistance output
Analog voltage output
Analog current output
Unlike distance measurement sensors that detect the gap between objects, this product directly measures the linear movement of a connected mechanical part.
A linear position sensor is a device used to measure the position or displacement of a moving object along a straight line.
During operation, the sensor rod moves together with the mechanical component.
The internal sensing element converts the movement into an electrical output signal.
Measurement process:
Mechanical Movement
↓
Resistance Change
↓
Analog Signal Output
↓
Controller / Measurement System
The output signal can be processed by:
PLC controllers
Data acquisition systems
Industrial instruments
Motion control systems
Working Principle of Linear Displacement Measurement
The sensor detects linear movement through the displacement of the pull rod.
The conductive plastic resistance element changes its electrical resistance according to the measured position, generating a proportional output signal.
Technical Specifications
Item
Specification
Product Type
Linear Displacement Sensor
Measuring Stroke
25–300 mm
Linearity Accuracy
0.05%–0.3% FS
Service Life
Long service life
Warranty
1 year
Resolution
Better than 0.01 mm
Environmental Suitability
Suitable for harsh environments including humidity oil contamination and dust
Protection Grade
IP65
Operating Speed
High speed operation
Joint Type
Rod end bearing
Free Movement Angle
±12.5° large angle movement
Output Configuration
Configurable voltage and current modules
Wiring Options
2 wire 3 wire
Applications
Industrial Automation Position Feedback
Linear position sensors are widely used in automation equipment for:
Motion position feedback
Mechanical adjustment
Actuator movement detection
Machine calibration
Applications include:
Assembly machines
Testing equipment
Production machinery
Hydraulic Cylinder Position Measurement
Hydraulic equipment often requires accurate monitoring of cylinder movement.
The sensor can measure:
Cylinder stroke
Valve movement
Mechanical displacement
Printing and Packaging Machinery
Precision movement control is important in:
Printing adjustment mechanisms
Paper feeding systems
Packaging equipment
The compact design allows installation inside machines with limited space.
The sensor rod should move along the measurement axis.
Avoid Side Load
Side force may reduce:
Measurement accuracy
Mechanical lifetime
Use Stable Mechanical Connection
Recommended:
Fixed mounting point
Proper alignment
Suitable linkage accessories
3. Application Scenarios：
Prestressed Jack Testing: The KPM linear distance position sensor can be used to measure jack extension and structural displacement during prestress testing. The rod end joint structure helps accommodate angular movement and vibration.
Bridge Inspection and Structural Monitoring: For bridge inspection, expansion joint movement, and crack displacement monitoring, the KPM sensor provides stable linear position feedback for long term measurement tasks.
Shock Absorber and Automotive Testing: The sensor can track linear travel in shock absorber testing, suspension movement measurement, and automotive component test rigs.
Ceramic Machinery: KPM sensors are suitable for ceramic machinery position measurement, actuator stroke control, and industrial length measurement where reliable analog feedback is required.
Automation and Hydraulic Equipment: The sensor can be integrated into hydraulic cylinders, motion platforms, mechanical test equipment, and automated production systems requiring robust displacement feedback.
Signal Integration Example
Linear Position Sensor
↓
Resistance / Analog Output
↓
Signal Conditioning Module
↓
PLC / Controller
↓
Machine Control System
Request Linear Position Sensor Quote
JW-IoT supplies linear position sensors for industrial measurement and automation applications.
1. What is the KPM linear distance position sensor used for?
A
The KPM sensor is used to measure linear displacement and track motion position in prestressed jack testing, bridge monitoring, shock absorber testing, ceramic machinery, hydraulic equipment, and automation systems.
Q
2. What is the advantage of rod end joints at both ends?
A
Rod end joints allow self alignment and flexible angular compensation, helping reduce installation stress when the measured object has vibration or slight angular movement.
Q
3. What measuring stroke is available for the KPM sensor?
A
The KPM series commonly supports stroke lengths from 50mm to 1250mm, with specific stroke options selected according to project requirements.
Q
4. Can JW-IoT supply KPM sensors for bridge monitoring projects?
A
Yes. JW-IoT can supply KPM linear distance position sensors for bridge inspection, structural displacement monitoring, prestressed jack testing, and industrial measurement projects.
Q
5. Is the KPM sensor suitable for harsh industrial environments?
A
Yes. The KPM sensor offers rugged construction, IP65 protection, high speed operation, and reliable performance under vibration and temperature changes.
Q
6. What output signal does the KPM sensor provide?
A
The KPM sensor provides analog position feedback. Voltage or current output modules can be configured according to the control system.
Q
7. Can JW-IoT help select the correct stroke and output type?
A
Yes. JW-IoT can help match the proper KPM stroke length, connection type, output signal, and mounting method based on the customer’s application.
Q
8. What is the resolution of the KPM linear sensor?
A
The resolution is better than 0.01mm, making it suitable for precise displacement and position measurement.
Q
9. Why choose JW-IoT for linear distance sensing solutions?
A
JW-IoT provides displacement sensors, application matching, and integration guidance for customers who need reliable motion feedback in structural monitoring, testing, and industrial automation systems.
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