Chengdu Enviko Technology Co.,Ltd

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Vibrating Wire Multi-Directional Strain Gauge Rosette

Vibrating Wire Multi-Directional Strain Gauge Rosette

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

Overview

The Enviko SK-MD strain gauge rosette groups 3, 5 or 9 vibrating wire strain gauges on one mounting bracket to measure strain in several directions at the same point inside concrete. Each gauge has an integrated strain body and a built-in temperature sensor. A smart chip can be added on request.

Key Features

  • 3, 5 or 9-direction configurations on YBZZ mounting brackets
  • Integrated strain body for true readings
  • Anti-torsion design
  • Easy installation
  • Built-in temperature sensor in each gauge; optional smart chip
  • Four gauge lengths: 100, 150, 200 and 250 mm

Applications

  • Concrete dams and masonry dams
  • Hydropower plant powerhouses
  • Bridges and tunnel linings
  • Concrete foundations and bedrock
  • Any location where the full stress state of concrete must be determined

Specifications

Parameter

Specification

Models (3-direction) SDY-3-S100 / SDY-3-S150 / SDY-3-S200 / SDY-3-S250
Models (5-direction) SDY-5-S100 / SDY-5-S150 / SDY-5-S200 / SDY-5-S250
Models (9-direction) SDY-9-S100 / SDY-9-S150 / SDY-9-S200 / SDY-9-S250
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