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Granular Soil Type (Semiconductor, VW) | Model 4815
Cảm biến đo ứng suất đáy móng Geokon 4815
The Model 4815 Pressure Cell uses two thick plates welded together at a flexible hinge that helps provide a more uniform pressure distribution, which effectively reduces the severity of point loading when used in granular materials. As with the other models in the 4800 and 3800 Series, changing earth pressures squeeze the two plates together causing a corresponding increase of fluid pressure inside the cell. A vibrating wire pressure transducer converts this pressure into an electrical signal which is transmitted to the readout location.
Standard Ranges¹ 350, 700 kPa; 1, 2, 3, 5 MPa
Over Range 150% F.S. (maximum)
Resolution 0.025% F.S.
Accuracy² ±0.1% F.S.
Temperature Range¹ −20°C to +80°C
Height × Diameter¹ 26 × 230 mm
¹Other ranges and sizes available on request.
²Transducer accuracy established under laboratory conditions.
Total system accuracy (pressure transducer + pressure cell) is subject to site-specific variables.
*Please Note: Models are also available (3500 Series) with semiconductor pressure transducers to enable measurement of dynamic pressures (please contact Geokon, Inc. for details).