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Vibrating Wire Anchor Rod Stress Meter

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Chengdu Enviko Technology Co.,Ltd

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Vibrating Wire Anchor Rod Stress Meter

Model Number : SK-AR

Place of Origin : China

Brand Name : Enviko

Delivery Time : 1-3 weeks

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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

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