Chengdu Enviko Technology Co.,Ltd

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Bridge Health Monitoring
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Vibrating Wire Surface Strain Gauge

Vibrating Wire Surface Strain Gauge

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

Overview

The Enviko SK-CS vibrating wire surface strain gauge measures stress and strain on the surface of concrete structures over the long term. It consists of a sensor, strain body, protective sleeve and mounting base, and its built-in temperature sensor records ambient temperature for temperature compensation. A smart chip can be added on request.

Key Features

  • Integrated strain body with built-in bellows for stable, accurate readings
  • Follows the deformation of the structure without disturbing the original stress field
  • Sealed, anti-torsion design for true readings in harsh conditions
  • Impact and drop resistant, with grounding for lightning protection
  • Built-in temperature sensor; optional smart chip
  • Four gauge lengths: 100, 150, 200 and 250 mm
  • Simple installation on a welded mounting base

Applications

  • Surface strain monitoring of concrete dams and hydraulic structures
  • Bridges, tunnels and other concrete structures
  • Long-term structural health monitoring programmes

Specifications

Parameter

Specification

Models SK-CS100 / SK-CS150 / SK-CS200 / SK-CS250
Measuring range 3000 με (±1500 με)
Gauge length 100 / 150 / 200 / 250 mm
Elastic modulus 150–300 MPa
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
Dimensions (Ø × L) 36 × 118 / 166 / 262 mm