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Vibrating Wire Anchor Rod Stress Meter

Categories Bridge Health Monitoring
Model Number: SK-AR
Place of Origin: China
Brand Name: Enviko
Delivery Time: 1-3 weeks
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Vibrating Wire Anchor Rod Stress Meter

Overview

The Enviko SK-AR vibrating wire anchor rod stress meter monitors stress changes in anchor rods or reinforcing bars in concrete and other structures. Its ends are welded into the anchor rod being monitored, or machined into threaded connections to the customer's dimensions. Several meters can be installed along one rod in a fully grouted borehole. A built-in temperature sensor records the temperature at the installation point.

Key Features

  • High accuracy, high sensitivity and long-term stability
  • Excellent waterproofing for harsh environments
  • Long-distance signal transmission
  • Weld-in or threaded connection, made to the customer's rod dimensions
  • Rod diameters from 12 to 40 mm
  • Built-in temperature sensor

Applications

  • Rock bolts and anchor rods in tunnels and underground works
  • Anchor rods on slopes and in foundations
  • Reinforcing bars in concrete structures

Specifications

Parameter

Specification

ModelsSK-AR-300 / SK-AR-400 / SK-AR-500 / SK-AR-600 / SK-AR-700
Rated range300 / 400 / 500 / 600 / 700 MPa
Overload capacity30%
Resolution0.05% FS
Non-linearity≤ 0.5% FS (linear); ≤ 0.1% FS (polynomial)
Accuracy±0.1% FS
Temperature range−20 °C to +80 °C
Temperature accuracy±0.1 °C
Water pressure resistance0.5 MPa (up to 3 MPa on custom models)
Insulation resistance≥ 50 MΩ
Rod diameter12, 14, 16, 18, 20, 22, 25, 28, 32, 36, 40 mm
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