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HYDLO Hydraulic Load Cell

Category: Geotechnical & Civil Engineering Instrumentats

RUGGED CONSTRUCTION

COMPACT SIZE

EASY INSTALLATION

The HYDLO Hydraulic Load Cell is designed for measurement of loads in tieback anchors and rockbolts, or compressive loads in structures.

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The HYDLO consists of a sealed cell composed of two plates welded together around the periphery and filled with de-aired oil. The cell is directly connected to a pressure gauge (scale in kPa). The load applied to the cell induces an oil pressure variation, which is sensed by the pressure gauge. The load value in kN can be determined using the table on the calibration sheet. The compact size of the HYDLO makes installation easy, and allows for quick and simple readings.

 

Two configurations of HYDLO are available. To monitor a tensile load, a hollow center cell enables the passage of an anchor through the cell. To monitor a compressive load, a solid center cell is used. With both of these configurations, remote pressure reading is available by connecting the cell with flexible tubing to a remote vibrating wire or electrical 4–20 mA pressure transducer. This optional feature suits situations where access to the cell is difficult.

 

The HYDLO can accommodate small inclinations in loading. Larger misalignments should be compensated with the use of spherical seats. Hydraulic load cells are very sensitive to temperature changes.  Non-hydraulic cells (e.g. VH & ANCLO) are better suited for applications where significant temperature fluctuations are anticipated.

 

Specifications

 

  Accuracy1   ±1 % F.S.
  Operating temperature   −20 to +60°C
  Overload   1.2 × F.S.

 

 

  Capacity   250 kN   500 kN   750 kN   1000 kN

  1500 kN

   2000 kN
  DIMENSIONS            
  A   35 mm   50 mm   75 mm   105 mm   105 mm   135 mm
  B   123 mm   144 mm   180 mm   219 mm   244 mm   265 mm
  C   144 mm   162 mm   202 mm   236 mm   261 mm   288 mm
  Cell thickness   28 mm   28 mm   28 mm   28 mm   30 mm   30 mm
  Distribution plate thickness   30 mm   40 mm   40 mm   45 mm   45 mm   65 mm

 

 

  Protective housing   70 × 115 × 162 mm high

 

Specifications may change when HYDLO is fitted with optional pressure transducer.
1 Valid between 20-100% of full scale range.

 

Ordering Info

 

Please specify:

  •     Capacity

 

Optional accessories:

  •     LCD display
  •     Maximum pressure indicator
  •     Remote reading with VW or electrical 4–20 mA
  •     Distribution and bearing plates
  •     Readout instruments