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Vibrating Wire Embedded Strain Gauge

Categories Bridge Health Monitoring
Model Number: SK-CE
Place of Origin: China
Brand Name: Enviko
Delivery Time: 1-3 weeks
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Vibrating Wire Embedded Strain Gauge

Overview

The Enviko SK-CE vibrating wire embedded strain gauge is cast into concrete to measure internal stress and strain over the long term. It consists of a sensor, strain body and protective sleeve, and its built-in temperature sensor records the temperature at the measuring point. A smart chip can be added on request.

Key Features

  • Integrated strain body with built-in bellows and high elastic modulus
  • Resistant to rotation, bending, impact and drops during concrete placement
  • Follows concrete deformation without disturbing the original stress field
  • Sealed, anti-torsion design with grounding for lightning protection
  • Built-in temperature sensor; optional smart chip
  • Four gauge lengths: 100, 150, 200 and 250 mm

Applications

  • Concrete dams and masonry dams
  • Hydropower plant powerhouses and hydraulic structures
  • Bridges and tunnel linings
  • Concrete foundations and bedrock

Specifications

Parameter

Specification

ModelsSK-CE100 / SK-CE150 / SK-CE200 / SK-CE250
Measuring range3000 με (±1500 με)
Gauge length100 / 150 / 200 / 250 mm
Elastic modulus150–300 MPa
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
Dimensions (Ø × L)36 × 118 / 166 / 262 mm
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