Steam Three Phase Integrator Three Phased integrator are specially designed to check the time and temperature combination in three different steps. Each integrating indicator is validated to another time/temperature combination. What do the Three Phase Integrators mean to the end user? Three Phased integrators are specially designed to check the time and temperature combination in three different steps. Each integrating indicator is validated to another time/temperature combination. The blue indicator changes to black when exposed to steam but this change does not ensure the sterilization process’ efficiency (UNSAFE). The pink indicator changes to black to obtain the stated values of the critical variables for type 5 indicators. These values are obtained when the sterilizer is able to heat the steam at 134 ºC for 3.5 minutes or 15 minutes at 121 ºC. This situation is named OK. Longer exposure times or higher temperatures can be determined when the green indicator changes to dark brown up to black. This situation is named OPTIMUM. Which sterilization process is Three Phase Integrator designed for ? Three Phased integrators are designed to be used in steam sterilizers. Which sterilization cycle is Three Phase Integrator working with ? Three Phased integrators are designed operate at steam cycle 134 C – 3,5 minutes or 121 C – 15 minutes conditions. Three Phased integrators are specially produced to check the time and temperature combination in three different steps. Each integrating indicator is validated to another time/temperature combination. What is the standart of ISO for Three Phase Integrator ? Three Phased integrators according to ISO 11140-1 standart. CE marking is not applicable for indicator products, because this product is not considered a medical device under the clause of the EC-directive.