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Soil Extensometers (VW)

Soil Extensometers (VW)



Order Catalog

Description

The Model 4435 Soil Extensometer is designed to be installed, in series, to measure horizontal strain in earthfill or rockfill dams. The 4435 has flanges on either end, which enable a series of extensometers to be bolted together forming long strings of sensors so that complete profiles of deformation or settlement can be monitored. For measurement of strains in boreholes and RCC dams, please see the Model 4430 Deformation Meter.


Spesification

Standard Ranges¹ 25, 50, 100, 150, 300 mm
Resolution² 0.025% F.S.
Accuracy³
±0.1% F.S.
Nonlinearity <0.5% F.S
Temperature Range¹ −20°C to +80°C
Minimum Gage Length 610 mm
Diameter
27 mm (pipe), 33 mm (slip coupling), 51 mm (flange)
Flange (L × W × H) 610 × 75 × 75 mm

¹Other ranges available on request.

²Resolution depends on readout equipment.

³Transducer accuracy established under laboratory conditions.