HomeProductsIndustrial Automatic SensorsMini Linear Displacement Sensor 25-300mm for Precision Position Feedback
  • KTM mini linear displacement sensor for compact machine installation

Mini Linear Displacement Sensor 25-300mm for Precision Position Feedback

Key Features

  • Mini pull rod type linear displacement sensor for compact installation
  • Measuring stroke available from 25mm to 300mm
  • Conductive plastic resistance element for smooth analog output
  • Resolution better than 0.01mm for precise position feedback
  • Long service life up to 30 million operations
  • Spherical hinge design helps reduce lateral force
  • High speed response for dynamic machine movement
  • DIN43650 standard plug and socket for reliable wiring
  • IP65 protection grade for industrial environments
  • Optional voltage and current output modules available
  • Compact housing suitable for limited machine space
  • Stainless steel rod for stable mechanical movement
  • Designed for displacement and length measurement applications

Product Description

JW-KTM(S04) KTM Mini Linear Displacement Sensor with 25-300mm measuring stroke is a compact pull rod type linear position sensor designed for accurate displacement measurement and position feedback in industrial equipment.

The sensor adopts a conductive plastic resistance element to convert linear mechanical movement into a proportional electrical signal.

With stable output performance, compact structure and excellent repeatability, it is suitable for applications requiring continuous linear position measurement.

Typical applications include:

  • Printing machinery
  • Packaging machines
  • Hydraulic equipment
  • Automatic doors
  • Small automation systems
  • Testing equipment
  • Mechanical position control

The sensor supports:

  • Resistance output
  • Analog voltage output
  • Analog current output (optional)

JW-IoT provides industrial displacement measurement products including:

  • Mini linear displacement sensors
  • Linear displacement sensors
  • Draw wire displacement sensors

Related product:

Mini Linear Displacement Sensor 10-100mm

What Is a Mini Linear Displacement Sensor?

A mini linear displacement sensor is a measurement device that converts linear movement into an electrical signal.

When a mechanical component, structure or object moves along a straight line, the sensor measures the displacement distance and outputs corresponding measurement data.

Unlike simple limit switches that only detect position changes, displacement sensors provide continuous measurement values.

This allows engineers to analyze:

  • Long-term displacement patterns
  • Movement trends
  • Deformation changes
  • Structural behavior
  • Mechanical position

Working Principle of Linear Displacement Measurement

A linear displacement sensor typically includes:

  1. Sensing element
  2. Moving measurement mechanism
  3. Signal conversion unit
  4. Electrical output interface

The sensor detects the relative movement between the sensing body and the measured object.

The displacement value is converted into an electrical signal that can be collected by:

  • PLC
  • Industrial computer

Technical Specifications

Item Specification
Product Type Linear Displacement Sensor
Measuring Stroke 25–300 mm
Linearity Accuracy 0.05–0.3% FS
Linearity Excellent linearity
Service Life Long service life
Resolution Better than 0.01 mm
Operating Speed High speed operation
Protection Grade IP65
Output Configuration Configurable voltage and current modules
Wiring Options 2 wire 3 wire
Resistance Output 5 kΩ 10 kΩ
Current Output 4–20 mA
Voltage Output 0–5 V 0–10 V
Supply Type Factory direct supply
Warranty 1 year

Applications

Structural Health Monitoring

Small structural movements may indicate changes in load conditions, material behavior or environmental influence.

Mini linear displacement sensors can support monitoring of:

  • Bridges
  • Tunnels
  • Dams
  • Buildings
  • Retaining structures

Typical measurements include:

  • Expansion joint movement
  • Structural crack opening
  • Component displacement
  • Settlement-related movement

Related solution:

Structural Health Monitoring System

Bridge Deformation Monitoring

Bridges experience continuous changes caused by:

  • Traffic loading
  • Temperature variation
  • Wind
  • Material aging
  • Foundation movement

Linear displacement sensors can monitor:

  • Expansion joint movement
  • Bearing displacement
  • Structural deformation

A complete bridge monitoring system may include:

  • Displacement sensors
  • Tilt sensors
  • Strain sensors
  • Temperature sensors
  • Data logger
  • Communication gateway

Tunnel Convergence Monitoring

Tunnel structures may experience deformation due to:

  • Excavation stress
  • Ground movement
  • Water pressure
  • Long-term settlement

Displacement monitoring helps engineers understand:

  • Tunnel wall movement
  • Support system performance
  • Structural stability

Slope and Landslide Monitoring

Slope deformation is often a gradual process.

Continuous displacement measurement helps identify:

  • Surface movement
  • Progressive deformation
  • Abnormal displacement trends

A slope monitoring system may combine:

  • Displacement sensors
  • Inclinometers
  • Rain gauges
  • Soil moisture sensors
  • GNSS monitoring

Industrial Automation and Position Measurement

Besides civil engineering applications, mini linear displacement sensors can also be used for:

  • Machine position feedback
  • Equipment movement monitoring
  • Mechanical testing
  • Manufacturing systems

They are suitable where accurate linear position measurement is required within a compact installation.

Mini Linear Displacement Sensor vs Draw-Wire Displacement Sensor

Comparison Mini Linear Sensor Draw-Wire Sensor
Measurement method Direct linear measurement Cable extension measurement
Installation space Compact Requires cable mounting space
Typical range Short distance Medium to long distance
Application Precision movement Large structural displacement
Suitable for Machines, structures, tests Bridges, slopes, dams

Mini Linear Displacement Sensor vs LVDT Sensor

Comparison Mini Linear Displacement Sensor LVDT
Structure Compact integrated sensor Transformer-based sensor
Installation Simple mechanical mounting Requires excitation electronics
Application General displacement monitoring Precision laboratory measurement
Integration Industrial monitoring systems High-precision instrumentation

The appropriate sensor depends on:

  • Required accuracy
  • Measurement range
  • Environment
  • Signal interface
  • Data acquisition system

Installation Guidelines

Fixed Mechanical Installation

The sensor should be securely mounted between:

  • Reference point
  • Moving measurement point

Avoid:

  • Side loading
  • Excessive vibration
  • Mechanical impact

Select Appropriate Measurement Range

The selected range should include:

  • Expected movement
  • Safety margin
  • Maximum possible displacement

Avoid operating continuously near the sensor limit.

Protect Signal Cable

For outdoor monitoring:

Consider:

  • Waterproof connectors
  • Cable protection
  • Surge protection
  • Proper grounding

Typical Monitoring System Architecture

Mini Linear Displacement Sensor

Resistance / Analog Output

Signal Conditioning Module

PLC / Controller

Machine Control System

How to Select a Linear Displacement Sensor?

Before selecting a sensor, consider:

1. Measurement Range

Determine:

  • Maximum movement
  • Expected deformation
  • Required resolution

2. Installation Space

Check:

  • Mounting location
  • Available clearance
  • Mechanical connection method

3. Environment

Consider:

  • Temperature
  • Humidity
  • Dust
  • Water exposure
  • Vibration

Request Mini Linear Displacement Sensor Quote

JW-IoT provides mini linear displacement sensors and customized deformation monitoring solutions for:

  • Engineering companies
  • Structural monitoring integrators
  • Industrial automation companies
  • Research institutions
  • Equipment manufacturers

Please provide:

  • Required measurement range
  • Accuracy requirement
  • Installation environment
  • Output interface
  • Quantity

Get Technical Support

https://www.jw-iot.com/contact-us

FAQ

  • Q

    1. What is the KTM mini linear displacement sensor used for?

    A

    The KTM mini linear displacement sensor is used to measure short linear stroke movement and provide analog position feedback for compact industrial machines.

  • Q

    2. What measuring stroke is available for the KTM sensor?

    A

    The KTM series commonly supports measuring strokes from 25mm to 300mm, making it suitable for small and medium stroke applications.

  • Q

    3. Is this sensor suitable for limited installation space?

    A

    Yes. The KTM sensor has a compact pull rod structure and is designed for applications where machine space is limited.

  • Q

    4. Can JW-IoT supply KTM sensors for packaging machines?

    A

    Yes. JW-IoT can supply KTM mini linear displacement sensors for packaging machines, printing machinery, hydraulic equipment, and compact automation systems.

  • Q

    5. What connector does the KTM sensor use?

    A

    The KTM series uses a DIN43650 standard plug and socket, which supports stable wiring and convenient maintenance.

  • Q

    6. Does the sensor support voltage or current output?

    A

    Yes. Optional voltage and current output modules are available for different PLC, controller, and data acquisition system requirements.

  • Q

    7. Can JW-IoT help select the proper stroke length?

    A

    Yes. JW-IoT can help customers choose the correct KTM stroke length, output signal, and installation method according to the machine structure.

  • Q

    8. What is the protection grade of this sensor?

    A

    The KTM sensor commonly supports IP65 protection, making it suitable for many industrial installation environments.

  • Q

    9. Why choose JW-IoT for mini displacement sensing solutions?

    A

    JW-IoT provides compact linear displacement sensors, application matching, and integration support for customers who need reliable position feedback in machine control systems.

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