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Soil mechanics

Axial strain displacement transducers

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General description
General description
Potentiometric transducers
Linear potentiometric transducers are used with various testing machines and apparatus as, for example, Consolidation apparatus, Shear testing equipment and Triaxial testing equipment to fit triaxial cells. They feature:
  • Input voltage: 10 V DC
  • Output: from 0 to 10 V DC
  • Repeatability: better than 0.002 mm
  • Accuracy: better than 0.002 mm
  • Connector: 6 pin
LVDT transducers
Used in the Dynamic triaxial systems. They feature:
  • Input voltage: 10 V DC
  • Nominal sensitivity: 165 mV/mm
  • Resolution: infinite
  • Linearity: 0.50%
  • Connector: 6 pin
All the above transducers are supplied  with mounting block but have to be completed with the appropriate mounting bracket for connection to triaxial cells. See accessories.
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Ordering info

Potentiometric transducers

30-WF6207 
Linear potentiometric transducer 10 mm travel

30-WF6208 
Linear potentiometric transducer 25 mm travel

30-WF6209 
Linear potentiometric transducer 50 mm travel

30-WF6210 
Linear potentiometric transducer 100 mm travel

LVDT transducers

31-WF7121 
LVDT linear transducer ±25 mm travel

Accessories

28-WF6220 
Mounting bracket to fit  28-WF4050 triaxial cell (15.5 mm ram dia.)

28-WF6221 
Mounting bracket to fit  28-WF4070, 28-WF4100, 28-WF4150, 28-WF4070/P, 28-WF4100/P, 28-WF4150/P triaxial cells (25 mm ram dia.)

28-WF1048/T 
Mounting bracket to fit 28-WF0410/A, 28-WF0411/A, 28-WF0416/A Standard triaxial cells
 
Calibration devices for linear axial transducers
Basically consist of a stainless steel frame with two holders: one for the transducer  and the other for the micrometer gauge head. The holder can receive transducers having nominal diameter of 8, 12, 19, 22 mm, or 18 mm square. Two versions available: 30-WF0652 with mechanical micrometer and 30-WF0653 with digital micrometer. On request they can be supplied complete with traceable calibration certificate. This version is identified by the suffix  /C after the code number. Ex. 30-WF0652/C.
  • Max. travel: 25 mm
  • Resolution: 0.001 mm

30-WF0652
Calibration device for linear transducer up to 25 mm travel, with mechanical micrometer gauge

30-WF0653
Calibration device for linear transducer up to 50 mm travel, with digital micrometer gauge

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