The resistive strain gauges are used to measure the stress in load-bearing structures or to monitor the tensions in tunnel linings, during tunnel excavation phases. Such control is necessary for the verification of the tensions and deformations of both temporary and permanent retaining structures.
The strain gauge sensors are installed in the centre of the rod according to a special arrangement that allows compensation of the electrical signal from thermal and reflection effects.
The strain gauge rod can work either in tension or compression, and the sensing part is resin-coated in order to preserve the functionality of the instrument in the event of impact or immersion.
The data can be read out using the portable control unit or by means of an automatic data acquisition system designed for continuous monitoring.
The rod is watertight and can be applied externally to stressed structures or embedded in concrete castings for stress measurements.
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Applications
For monitoring of:
- Pipelines and gas pipelines
- Tunnel centering
- Metal bridges
- Reinforcement bars
- Trusses
- Metal structures
Features and Benefits
- Wire tensioned mid-scale or as requested
- Flange for long welding for better adhesion of the sensor
- Robust
- High sensitivity and reliability over time
- No drift
- Accuracy
- Ease of installation
- Integrated temperature measurement
- Integration into centralized monitoring systems
With Pick up
| Sensor Type | internal strain gauge bridge |
| Material | Alluminium |
| Measuring Range | +/- 1400 ʯ |
| Accuracy | +/- 0,5% FS |
| Sensitivity | 2mV/V |
| Power supply | 2-15 Vdc |
| Output signal | mV/V |
| Dimensions | -10… +50°C |
| Protection class | IP68 |
Technical Assistance
If you have any requests or questions about our instruments or if you have special needs that require different solutions from the standard, please contact us. Our team will provide all the necessary information and will be very happy to work with you to study, develop and customize instruments and solutions suitable for your specific needs
All information in our datasheet is subject to change without prior notice.
Please check the datasheet/details carefully and contact Pizzi Instruments for further information.