CWG550 Crack Width Gauge


The CWG550 Concrete Crack Width Gauge is used to inspect and monitor cracks in concrete and metal. The gauge takes images of the crack using automatic image recognition and gives detailed measurement data in real time.

Delivery normally 10 – 14 days from receipt of order / payment


The CWG550 Concrete Crack Width Gauge is widely used for the precise detection of cracks in bridges, tunnels, construction industry, concrete pavements and metal surfaces. The cracks are automatically detected on a camera which gives real time display of images as well as the crack width measurement. The system is simple to use with automatic image recognition and intelligent computing technology.

Technical Specification

  • Model: CWG550
  • Probe: Specialized CMOS camera
  • Controller: PDA
  • Display mode: Automatic calculation, save and display
  • Measuring range: 0.01 – 6.50mm
  • Accuracy: 0.02mm
  • Magnification: 60 X
  • Image formats: JPEG (Around 10K per image)
  • Memory: Internal memory (SD card extension)
  • Interface: USB
  • Power: Lithium battery
  • Operating temperature: -10℃ ~ +50℃
  • Dimensions: 180mm x 100mm x 50mm
  • Net weight: 1kg

Product characteristics

  • Smart design: it is convenient to measure remote area with an extension rod
  • Smart detection mode; high-precision and intelligent computing technology; crack position without adjustment
  • Scale testing method: it is convenient to detect the same crack several times and compare the testing data
  • Large PDA screen for more accurate and clear images
  • Standard probe and high grade probe
  • Save crack images quickly with the snapshot button
  • 4GB large-capacity SD card
  • Ppowered by lithium batteries
  • Powerful post-processing software: it can achieve effective management for the crack measurement data and images and can also conveniently print the measuring reports


  • Transducer
  • CWG550 Concrete Crack Width Gauge
  • Software
  • Signal Cable
  • USB Cable
  • Universal Coupling
  • Extension Rod
  • SD Card Reader
  • Charger
  • Instruction Manual
  • Warranty Card
  • Certificate


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