Convergence Monitor

Convergence Monitor

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Australia Tel: +61 (0)3 8720 6700
Indonesia Tel: +62 21 3040 4422
New Zealand Tel: +64 (0)7 850 2610
South Africa Tel: +27 (0)10 900 2055

Description

Convergence Monitor model 4420 is based on a spring loaded wire mechanism. It has a measuring range of 1m and can monitor any reasonable distance with extension wires. When used with model 9600-2 readout, the unit’s high resistance electrical output has a resolution of 0.1mm. The 4420 is suitable for remote reading and data logging. This convergence monitor is light, small in size and simple to install.

Application

Measurement of displacements in:

  • Tunnelling
  • Open cut mines
  • Dam construction
  • Large excavations
  • Construction control

Features

  • Simple installation
  • Suits a wide range of Applications
  • Capable of interrogation by a variety of readouts and loggers. Digital counter option available
  • Can provide alarm triggers when used with a datalogger

Specifications

  • Measuring range: 1000 mm
  • Accuracy:< ±0.5% full scale
  • Resolution: 0.1 mm
  • Dimensions: 115mm x 75mm x 60mm
  • Weight: 0.55 Kg
  • Anchor size: 600mm x 25mm x 5mm
  • Anchor weight: 0.6 Kg

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