CK-102 Digital Concrete Crack Width Gauge Instrument Quality Real Time Measurement with Rechargeable Battery

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CK-102 is an instrument used in quantitative detection of crack width gauge widely applicable in bridges, tunnels, buildings, concrete pavement, metal surface crack width.

NOTE TO BUYER(S): Please note that the set does not come with a Calibration Certificate. If you want an optional calibration certificate to be included in your order, you may contact us at sales(at)


  • An automatic interpretation of the crack width, directly to the crack width values are displayed on the screen
  • Automatic shooting crack photos, real-time image display
  • Data stored photos can be playback for viewing
  • Probe (camera) comes with lighting fixtures, work around the clock regardless of light changes.
  • Simple alignment of cracks can be automatically read without any set up
  • Crack photo is save as standard BMP format (stored directly to any U disk / SD card)
  • The camera function can catch all test information in time including crack images, test value and zoom images
  • Main unit and the probe share one rechargeable lithium battery
  • Reference specification: GJG125-99 "dangerous building appraisal standards.


  • Maximum detection range: 0~6mm
  • Accuracy: better than 0.01mm
  • Magnification: 40times
  • Operating Temperature: -20 ~ 60°C
  • Main Interface: standard USB
  • Storage media: can store more than 3000 photos (SD Card is free to expand)
  • Image storage format: BMP format, 24 bit color / 320×240
  • Power supply: lithium battery (18 hours standby time)
  • Size: Main unit 113 x 70 x 16.5mm / Probe 48 x 56 x 58mm
  • Weight: Main unit 100 grams / Probe 100 grams

Set Includes:

  • 1 x Main Unit
  • 1 x Probe (with 1.5 m cable)
  • 1 x USB Cable
  • 1 x Charger
  • 1 x Pipettor 
  • 1 x Aluminum carrying case
  • English Instruction Manual
  • 1 x Software

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