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Large test sieve shaker GAS

For large sample quantities and grain sizes > 40 mm

Large test sieve shaker GAS 500 - machine closed, machine without lid and sieve frame

Our large test sieve shakers are used to determine grain sizes larger than 40 mm. In test sieving, the amount of material to be sieved increases with coarser grain sizes, so the sieve surfaces must be adapted accordingly in order to carry out representative test sieving. For these tasks, we offer two machine sizes with screening surfaces of 500 x 500 mm and 1000 x 1000 mm.

Innovative app control

The new Large Analystical Screening Machines GAS can now be controlled with the innovative “Lab-Co” app and offer the user new possibilities. The machines are particularly impressive with the following features:

  • Display of the oscillation amplitude
  • Reading in weighing data via Bluetooth
  • Evaluation of sieve analyses with graphical representation in a linear or RRSB diagram
  • Standard Operating Procedures (SOP)
  • Calling up the operating instructions
  • Direct spare parts inquiry
  • Sample/machine data can be exported as a csv file
  • Updateable app and firmware

Areas of application

The large test sieve shakers are designed for applications in which grain sizes larger than 40 mm must be reliably determined. As the quantities of material to be sieved increase with coarser grain size during test sieving, this must be compensated for by the sieve surface for representative test sieving. Two machines with screening areas of 500 x 500 mm and 1000 x 1000 mm are available for the respective task.

Operating behavior & mechanical features

The GAS has a maintenance-free double unbalance motor drive that generates a linear oscillation perpendicular to the screen plane.

By turning the unbalance disks on the motors, the vibration amplitude can be infinitely adjusted at standstill to achieve the optimum vibration amplitude for your application. The screen set is firmly clamped on the vibrating table via a clamping device, which can also be designed as a lifting and tilting device on request.

Equipment variants

As an option, the clamping rods for the GAS 1000 can also be designed as a lifting and tilting device. The screen tower clamped in this device is lifted by a crane so that the lowest screen box can be emptied by tilting.
The GAS 500 and GAS 1000 can also be used as a vibrating table
without a screen set.


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