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  5. KDA-PA/KDB-PA Soil Pressure Gauge

KDA-PA/KDB-PA Soil Pressure Gauge

Measuring soil pressure at construction site


Key features

  • Minute displacement of pressue-sensitive area due to double diaphragm structure
  • Can measue dynamic earth pressure, too

About the KDA-PA/KDB-PA Soil Pressure Gauge

The KDA-PA and KDB-PA are soil pressure gauges each 200 mm in outside diameter. They are widely used at construction sites. They are designed with a dual-diaphragm structure that can minimize the displacement of a sensing area and thereby can keep the stress distribution in soil undisturbed under pressure. The KDA-PA is used to measure the pressure in soil and to monitor the behavior of embankments. The KDB-PA is used to measure the pressure in earth retaining walls or the pressure on wall surfaces of structures.

Protection ratings: IP68 equivalent

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Technical Specifications

Specification Value
Capacity KDA-200KPA | KDB-200KPA 200kPa
Capacity KDA-500KPA | KDB-500KPA 500kPa
Capacity KDA-1MPA | KDB-1MPA 1MPa
Capacity KDA-2MPA | KDB-2MPA 2MPa
Rated Output Approx. 1 mV/V (2000x10-6 strain)
Non-linearity KDA-200KPA | KDB-200KPA 2 %RO
Non-linearity KDA-500KPA | KDB-500KPA | KDA-1MPA | KDB-1MPA | KDA-2MPA | KDB-2MPA 1 %RO
Temperature range -20 to +60 ℃