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a4S Automatic Roll Heat Sealer


The perfect solution for automated heat sealing of microplates, PCR plates, assay plates and storage plates used in medium to high-throughput or full automation applications:

  • The main advantage of the a4S is that it does not require an air supply, which gives it the flexibility to be used on standard lab benches as a stand-alone unit, or integrated within a robotic set‑up
  • The sealer’s rapid heating element enables a fast start-up, and the stand-by function saves energy when the unit is not in use
  • The a4S sealer is compatible with a wide range of SBS footprint plates, including all PCR plate formats from 96 well to 1536 well, assay plates, deep well storage plates and microplates
  • Varying plate heights, from 3 mm to 60 mm can be accommodated with minimal adjustments of the instrument
  • Plates are presented in portrait format and the plate position on the shuttle allows good access for robotic integration
  • Rolls with a width of between 75-85 mm can be loaded in either of two roll positions, depending on roll length and available space, enabling the entire instrument to fit under the gantry of most liquid handling robots
  • The width and length of the applied seals are set to precisely cover an SBS footprint plate without interfering with plate stacking
  • The seal position can be adjusted to give an overhang at one end of the plate to facilitate ease of seal removal




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