Type 4 indicator for plasma


Type 4 multivariable indicator is meant for in-pack use and it shows whether the needed temperature and holding time were reached inside the pack. So this indicator measures time and temperature.

Indicator reaches the end-color when the combination of sterilization temperature, holding time and Vaporized Hydrogen Peroxide presence have been sufficient.

Indicator can detect following problems:

  • Sterilization Plasma activation not present
  • Sterilization holding time too short
  • Insufficient VH2O2 penetration in loads (at the spot where the indicator is placed)

Additional information


Type 4 plasma 200 indicators