Profound - Model IS - Digital Liquid Level Sensors System
The digital IS-Liquid Level System is an effective tool for precision monitoring of vertical movement. Typical application areas
include monitoring of tunnelling and excavation activities, as well as compensation grouting near structures. For each project sensors are selected with the appropriate measuring range to ensure accurate settlement measurements: the elevation differences are possible within the measuring range, keeping in mind the expected settlements.
Products Details
Key advantages
- Direct response to settlements (no water flow between sensors)
- Intelligent Sensor Technology with output in engineering units (mm)
- Measuring ranges adaptable to different projects
- Automatic temperature-measurement and correction
- Easy to transport
- No condensation problems
- No electronics in high-humidity environment
- Easy de-airing of tubes
- Easy check-up for air bubbles in the system
During installation the sensors are interconnected by means of a pressure and an air compensation line and a digital IS-data cable.
Real-time precision monitoring of settlements
The elevation changes of the individual sensors in the system are derived from the liquid pressure. This is done by comparing the liquid pressure at each sensor with the pressure at the reference sensor. The system responds immediately to settlements, as there is no liquid flow between the sensors. The sensor also directly digitises the measurement data and performs an automatic temperature compensation.
Operation
The wireless, built-in GPRS-connection in the accompanying IS-module allows remote monitoring of the project. This Internet Solar IS-module is a combined power supply, data logger, GPRS modem and provides a data backup for the system.
Data Handling
Data are uploaded at preset intervals for online monitoring. You can also choose to receive the data via e-mail on your PC, when and where you want.
Applications
Typical applications areas for the Profound IS-Liquid Level sensors include monitoring of tunnelling and excavation activities, as well as compensation grouting near structures.
Read more about actual projects – for example the Victoria Station Upgrade, Subway Tunnelling San Francisco, Penang Bridge Malaysia on our Projects page.
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