Chengdu Enviko Technology Co.,Ltd

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Vibrating Wire Anchor Rod Stress Meter

Vibrating Wire Anchor Rod Stress Meter

Brand Name: Enviko
Model Number: SK-AR
Detail Information
Place of Origin:
China
Product Description

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

Models SK-AR-300 / SK-AR-400 / SK-AR-500 / SK-AR-600 / SK-AR-700
Rated range 300 / 400 / 500 / 600 / 700 MPa
Overload capacity 30%
Resolution 0.05% 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 resistance 0.5 MPa (up to 3 MPa on custom models)
Insulation resistance ≥ 50 MΩ
Rod diameter 12, 14, 16, 18, 20, 22, 25, 28, 32, 36, 40 mm