Tell-Tale Crack Monitors


Australia Tel: +61 (0)3 8720 6700
Indonesia Tel: +62 21 2278 3377
New Zealand Tel: +64 (0)7 850 2610
South Africa Tel: +27 (0)10 900 2055

Description

The Model 4370 Tell-Tale Crack Monitors each consists of two plates that overlap for part of their length. One plate is calibrated in millimetres and the other is transparent and marked with a hairline cursor. The relationship of the cursor to the scale represents the amount of movement occurring.The various monitor types allow various positional Applications to be easily monitored.

Application

Measurement of displacements in:

  • Bridge abutments
  • Concrete dams
  • Concrete structures
  • Tunnels and Shafts
  • Masonry Structures

Features

  • Simple Installation
  • Corrosion resistant
  • No electronics
  • Economical
  • Easy to read
  • Reusable

Specifications

  • Measurement range: ±25 mm
  • Accuracy: 1 mm (±0.1 mm with callipers)
  • Resolution: 1 mm
  • Dimension (Tell Tale Plus): 6mm thick x 40mm wide x 160 mm long
  • Weight (Tell Tale Plus): 35 g

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