S8 : VIBRATING WIRE SETTLEMENT CELL
Settlement Cell/Transducer 15 metres 30 metres / Range 150kPa 300kPa
Material 316 Stainless Steel
Accuracy ±0.1% full scale
Linearity ±0.1% full scale
Resolution1 0.025% full scale
Over range 200% full scale
Diaphragm displacement <0.001cm³
Temperature range -20 to +80°C
Excitation method Pluck and sweep
Operating frequency 1600 to 3000Hz
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Applications
> <The Vibrating Wire Settlement Cell measures settlement and heave in soil and rockfill. Using measurement data from the settlement cell can help to control further displacement.
The cell consists of a Vibrating Wire pressure transducer connected via a pair of water filled nylon tubes to a hydraulic datum pot located on stable ground.
Vertical movement of the cell relative to its readout location results in a change in liquid pressure within the chamber, which is recorded in metres of water and is translated into the amount of settlement or heave.
The Vibrating Wire Settlement Cell can take measurements beneath concrete and earth structures at locations that are inaccessible to other types of instruments.
Settlement Cell/Transducer 15 metres 30 metres / Range 150kPa 300kPa
Material 316 Stainless Steel
Accuracy ±0.1% full scale
Linearity ±0.1% full scale
Resolution1 0.025% full scale
Over range 200% full scale
Diaphragm displacement <0.001cm³
Temperature range -20 to +80°C
Excitation method Pluck and sweep
Operating frequency 1600 to 3000Hz
