ISSO-EX3-6 Vibrating Wire Rod Extensometer
The ISSO–EX3–6 string borehole rod extensometer is designed to monitor vertical movements of soils. The sensor consists of an anchor fixed in the borehole in the zone of stable soils, connecting tubes and a control head located on the surface of the well. A motion sensor is located in the control head. When the soils move vertically, the distance between the anchor and the control head changes. This change is detected by the displacement sensor. The sensitive element of the sensor is a metal string.
High accuracy and resolution: The sensor provides high measurement accuracy (±0,1% of the range).
The housing is made of high-strength alloy steel combined with a fully waterproof sealing structure.
Main characteristics of the ISSO-EX3-6 extensometer
| Parameter | Meaning | |||||||
| Model range | EX3-6-12.5 | EX3-6-25 | EX3-6-50 | EX3-6-100 | EX3-6-150 | EX3-6-200 | EX3-6-250 | EX3-6-300 |
| Displacement measurement range, mm | 12,5 | 25 | 50 | 100 | 150 | 200 | 250 | 300 |
| Limits of the permissible accuracy of displacement measurements reduced to the full measurement range, % | ±0,1 | |||||||
| Operating temperature range, °C | from -45 to +80 | |||||||
| Dust and moisture protection, IP | Not below 68 | |||||||
| Sizes | length – 575 / sensor diameter – 12 / coil diameter – 20 | |||||||
The ISSO-EX3-6 extensometer is used in systems
Design of intelligent transportation systems
Design of Structural Health Monitoring Systems (SHMS)
Scientific and technical support for the system design
Construction, installation and commissioning works
Maintenance and operation
In which projects was it used
Modernization of the Structural Health Monitoring System of the bridge across the Golden Horn Bay, Vladivostok
Inspection and modernization of a previously installed system for continuous monitoring of the condition of the bridge across the Golden Horn Bay in Vladivostok
Automated Traffic Control System, Toll Collection System, Weigh-in-motion control system, Engineering Systems Monitoring, Structural Health Monitoring System of the bridge crossing over the Vistula Bay
Design of system-wide solutions for an intelligent transport system and Engineering Systems Monitoring as well as structures of a bridge crossing across the Vistula Bay with approaches
Automated Traffic Control System, Toll Collection System, Structural Health Monitoring System of the bridge over the Lena River, Yakutsk
Design of a bridge crossing over the Lena River near the city of Yakutsk
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