Thermo Scientific Herasafe KSP Class II Biological Safety Cabinet
| Brand | Thermo Fisher |
|---|---|
| Origin | Germany |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | KSP |
| Instrument Type | Class II Biological Safety Cabinet |
| External Dimensions (L×W×H, mm) | 1300 × 1580 × 870 |
| Internal Dimensions (L×W×H, mm) | 1200 × 780 × 630 |
| Filter Efficiency | >99.999% for 0.3 µm particles |
Overview
The Thermo Scientific Herasafe KSP is a certified Class II, Type A2 biological safety cabinet engineered for concurrent personnel, product, and environmental protection in biosafety level 1–3 laboratories. It operates on the principle of inward airflow (front intake velocity ≥0.5 m/s), downward laminar airflow (≥0.3 m/s across work surface), and recirculated/filtered exhaust—utilizing dual high-efficiency particulate air (HEPA) filtration systems to ensure containment of aerosols generated during microbiological or cell culture procedures. Designed and manufactured in Germany under stringent ISO 14644-1 cleanroom and ISO 13845 medical device quality management standards, the KSP meets NSF/ANSI 49–2022, EN 12469:2000, and EU Directive 2014/34/EU (ATEX) compliance requirements for laboratory biosafety infrastructure.
Key Features
- Robust stainless steel construction with seamless, welded interior surfaces for enhanced decontamination and corrosion resistance
- Dual HEPA filtration system: pre-filter + main HEPA filter (tested per IEST-RP-CC001.4) with documented efficiency >99.999% at 0.3 µm and >99.995% at MPPS
- Microprocessor-controlled airflow monitoring with real-time display of inflow and downflow velocities, alarm thresholds, and filter lifetime estimation
- Ergonomically optimized sash height (max. 200 mm working opening) and angled front grille to minimize user fatigue and maintain optimal breathing zone clearance
- Energy-efficient DC ECM motor system reducing power consumption by up to 40% compared to conventional AC blower configurations
- Integrated UV lamp with motion-sensor interlock and timer-based sterilization cycle (15–30 min programmable)
Sample Compatibility & Compliance
The Herasafe KSP supports a broad range of life science workflows including microbial culture, recombinant DNA handling, primary cell isolation, and sterile pharmaceutical compounding. It is validated for use with low-to-moderate risk biological agents (BSL-2), select BSL-3 agents under institutional biosafety committee approval, and non-hazardous cytotoxic compounds when operated with appropriate PPE. All units undergo factory certification per NSF/ANSI 49 Annex A protocols—including smoke pattern visualization, airflow velocity mapping, and particle challenge testing—and ship with full traceability documentation (Certificate of Conformance, Test Report, and Filter Certificates). The cabinet design supports GLP/GMP-aligned validation packages, including IQ/OQ protocols compliant with FDA 21 CFR Part 11 electronic record requirements.
Software & Data Management
The embedded control interface provides password-protected access levels (Operator, Supervisor, Administrator) and stores ≥12 months of operational logs—including sash position history, airflow deviations, filter pressure differentials, UV usage, and alarm events—with automatic timestamping and audit trail generation. Data export is supported via USB 2.0 port in CSV format for integration into LIMS or enterprise quality management systems (QMS). Optional Thermo Connect™ remote monitoring module enables secure cloud-based status reporting and predictive maintenance alerts through TLS 1.2–encrypted API endpoints.
Applications
- Cell culture and stem cell manipulation requiring ISO Class 5 (Class 100) laminar airflow conditions
- Quality control testing of sterile injectables and biologics in pharmaceutical manufacturing environments
- Antibiotic susceptibility testing and pathogen isolation in clinical microbiology labs
- Preparation of radiopharmaceuticals and hazardous drug compounding under USP and guidelines
- Teaching laboratories performing introductory molecular biology techniques with biosafety oversight
FAQ
What biosafety level (BSL) applications is the Herasafe KSP certified for?
It is NSF/ANSI 49–2022 certified for BSL-1 and BSL-2 operations; BSL-3 use requires additional institutional biosafety committee review and procedural controls.
Can the KSP be integrated into a building’s exhaust ducting system?
Yes—it supports both recirculating (Type A2, 70% air recirculated) and hard-ducted (Type A2 with dedicated exhaust) configurations, with optional canopy connection kit and static pressure compensation.
How often must the HEPA filters be replaced?
Filter replacement intervals are determined by operational hours, particulate load, and pressure differential monitoring; typical service life ranges from 3–5 years under standard lab conditions, with automated alerts triggered at ≥250 Pa ΔP.
Is the cabinet compatible with third-party validation services?
Yes—the KSP adheres to ISO/IEC 17025–accredited test methodologies and provides full mechanical and electrical schematics for external qualification support.
Does it support regulatory audit requirements such as FDA 21 CFR Part 11?
The control system includes electronic signature capability, role-based access control, and immutable audit trails—enabling compliance with 21 CFR Part 11, EU Annex 11, and ISO 9001:2015 QMS frameworks.
