The Helena AC-4 is a fast, flexible, accurate photo-optical, fully automated coagulometer suitable for clotting, chromogenic and immunoturbidimetric assays using plasma.

Detection principle:

  • Photo-optical
  • 4 x laser optics utilising 405nm wavelength
  • Suitable for icteric and lipaemic samples


  • Clotting
  • Chromogenic
  • Immunoturbidimetric

Sample processing:

  • Plasma sample
  • Cap piercing
  • 24 position sample rack
  • Up to 110 PT/Hour
  • Up to 45 APTT/Hour
  • Stat sample position
  • Suitable for spun primary sample tubes
  • Integrated barcode for primary patient IDs

Main features

  • Simple, comprehensive, walk away operation
  • Integrated barcode reader
  • On-board printer
  • Dedicated TECAM software
  • Automatic plasma dilutions
  • Automatic calibration curves and quality control
  • Single or duplicate sample analysis
  • Complete positive patient ID
  • Integrated bar code reader for fast, accurate sample loading
  • STAT position for quick and easy emergency sample analysis
  • Cap piercing ensures operator safety with direct access to sealed primary tubes (includes needle guard)
  • Micro volume procedures
  • Reagent dead volumes less than 300μl
  • Low consumption of consumables: Rinse (<1ml/test) Clean (<15ml/day)
  • Fully programmable, allowing optimisation of existing tests and design of new test protocols
  • Integrated thermal printer


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