Steam Sterilization Evaluation Resistometer
BIER (Biological Indicator Evaluator Resistometer)
The BIER system is designed to provide precise and reproducible environmental conditions for evaluating the resistance of microorganisms to steam sterilization, hydrogen peroxide (H₂O₂) plasma sterilization, or ethylene oxide (EO) sterilization.
The system is equipped with a dynamic air removal mechanism and a leak detection function to ensure complete air evacuation before sterilization. After evacuation, the chamber is rapidly pressurized with steam, vaporized hydrogen peroxide, or EO gas to the pre-set sterilization temperature or pressure, ensuring stable and repeatable test conditions.
Sterilization involves the destruction of microorganisms by exposing materials to conditions that are rapidly lethal to them. The validation of sterilization processes typically uses biological indicators (BIs)-highly resistant microorganisms placed within the sterilizer. Their destruction confirms the lethality and reliability of the sterilization process during routine use.
Accurate evaluation of both BI resistance and bioburden resistance is critical to assessing process effectiveness. Over- or underestimating microbial resistance can lead to failed validations, contaminated batches, or sterility failures.
Steam Sterilization Evaluation Resistometer
The steam sterilization BIER resistometer is specifically designed for testing the resistance of biological indicators, chemical indicators, and Bowie-Dick (BD) test packs used in steam sterilization.
Technical parameters
- Working pressure: 0.21Mpa
- Design pressure: -0.1~0.28Mpa
- Working temperature: 105~134 ℃
- Design temperature: 150℃
- The time for the inlet steam to heat up to the set temperature≤10s
- Draining time≤5s
- Vacuum degree<-96KPa
- Pre-vacuum time: 60s
- Power(including steam generator): 40KW
|
Model |
Capacity |
Power |
Overall size((L*W*H)) |
Weight |
|
BIER-Steam-5 |
5L |
380V,50Hz |
2000*1200*1880mm |
200kg |
Technical Specifications
Equipped with a PLC control system and color touch screen interface for easy operation and intuitive human-machine interaction.
Displays real-time temperature, pressure, time, and alarms, along with a working process curve for clear monitoring.
Utilizes pre-vacuum technology to remove air from the chamber, ensuring the test medium is fully saturated steam.
Features a post-vacuum drying system with a vacuum level reaching -0.096 MPa for efficient drying.
Offers both fixed temperature programs and customizable test temperature settings for resistance testing.
Equipped with a 0.3 μm air filter to ensure sterile air and prevent recontamination.
Includes a built-in printer for recording parameters and process curves, and supports USB data storage for complete process records.
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