Crackmeter 4420-1-100MM GEOKON Vietnam

 

 

The Model 4420 Crackmeter is intended to measure movement across surface cracks and joints. It is installed by grouting, bolting, or bonding two threaded anchors (with ball joints) on opposite sides of the crack and then attaching the ends of the gauge to the anchors.

Specifications

  • Standard Ranges¹12.5, 25, 50, 100, 150, 300, 400, 500 mm
  • Resolution0.025% F.S.
  • Accuracy²±0.1% F.S.
  • Nonlinearity<0.5% F.S.
  • Temperature Range¹−20 °C to +80 °C
  • Lengths³318, 343, 397, 555, 645 mm (transducer)
  • Diameter8 mm (shaft); 25 mm (coil)