Caisson Method for Measuring Sensor

KKA-PC Caisson skin-friction meter　200kPa to 300kPa

The KKA-PC is a transducer to measure skin friction bearing force with the ground acting on thewall of concrete caisson. The transducer is installed so that the sensing area of the transducer faces thecaisson's wall and measures skin friction bearing force with the ground when settled and fixed.

 

Protection ratings : IP 67 equivalent

 

KKA-PC Caisson skin-friction meter

  • Specifications
    Type Capacity Rated output Non-linearity Temperature range
    KKA-200KPC-U
    KKA-200KPC-R    		 200 kPa Approx. 1.5 mV/V (3000 x 10-6 strain) 1 %RO -30 to +70 ℃
    KKA-300KPC-U
    KKA-300KPC-R    		 300 kPa Approx. 1.5 mV/V (3000 x 10-6 strain) 1 %RO -30 to +70 ℃
    Cable Direction Capacity:200kPa Capacity:300kPa Pressure Receiving Part
    Top Out KKA-200KPC-U KKA-300KPC-U Pressure receiving part: Flat surface
    Top Out KKA-200KPC1-U KKA-300KPC1-U Pressure receiving part: R (7000<R≦12000)
    Top Out KKA-200KPC2-U KKA-300KPC2-U Pressure receiving part: R (4000<R≦7000)
    Top Out KKA-200KPC3-U KKA-300KPC3-U Pressure receiving part: R (2500<R≦4000) 
    Side Out KKA-200KPC-R KKA-300KPC-R Pressure receiving part: Flat surface
    Side Out KKA-200KPC1-R KKA-300KPC1-R Pressure receiving part: R (7000<R≦12000)
    Side Out KKA-200KPC2-R KKA-300KPC2-R Pressure receiving part: R (4000<R≦7000)
    Side Out KKA-200KPC3-R KKA-300KPC3-R Pressure receiving part: R (2500<R≦4000)

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KKB-PC Caisson cutting-edge reaction meter　10MPa～25MPa

The KKB-PC is a transducer to measure subgrade reaction force (bearing force) acting on the caisson cutting edge. It is installed so that the sensing area of the transducer faces the bottom of the cutting edge and measures the reaction force when settled and fixed.

 

Protection ratings : IP 68 equivalent

 

KKB-PC Caisson cutting-edge reaction meter

  • Specifications
    Type Capacity Rated output Non-linearity Temperature range
    KKB-10MPC 10MPa Approx.1mV/V
    (2000×10-6 strain)    		 1%RO -30 to +70℃
    KKB-15MPC 15MPa Approx.1mV/V
    (2000×10-6 strain)    		 1%RO -30 to +70℃
    KKB-20MPC 20MPa Approx.1mV/V
    (2000×10-6 strain)    		 1%RO -30 to +70℃
    KKB-25MPC 25MPa Approx.1mV/V
    (2000×10-6 strain)    		 1%RO -30 to +70℃

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