Biological Safety Cabinet (70% Recirculation) – ToronSafeCab™ S
ToronSafeCab™ S is a Class II Type A2 biological safety cabinet engineered to provide simultaneous protection for the operator, the work sample, and the surrounding laboratory environment. Designed for handling low-to-moderate-risk biological agents (BSL-1 through BSL-2), this bio safety cabinet recirculates a portion of HEPA-filtered air within the work zone while exhausting the remainder through a dedicated exhaust HEPA filter — making it the most versatile and widely used safety cabinet configuration in modern biological research.
Constructed with a full SUS304 stainless steel interior and a removable brushed stainless steel work surface, the ToronSafeCab™ S combines biosafety performance with ease of decontamination. Its air-clean intelligent control system, ergonomic 10-degree tilted front window, and intelligent constant-wind-speed technology make it equally at home in clinical, pharmaceutical, and academic laboratory settings. Available in three working widths — 1000 mm, 1360 mm, and 1680 mm — this biological safety cabinet scales to suit single-operator or dual-operator workflows.
Biological Safety Cabinet (70% Recirculation) – ToronSafeCab™ S Applications
The ToronSafeCab™ S bio safety cabinet is designed and manufactured for those applications:
- Handling of BSL-1 and BSL-2 biological agents and pathogens
- Microbiology and cell culture work requiring sterile conditions
- Pharmaceutical compounding and aseptic drug preparation
- Molecular biology, PCR setup, and nucleic acid work
- Clinical diagnostics, specimen processing, and serology
- Vaccine research and immunology studies
- Tissue engineering and in vitro cell-based assays
- Environmental and food safety microbial testing
Biological Safety Cabinet (70% Recirculation) – ToronSafeCab™ S Key Features
- Air-clean intelligent control system with full-color HD LCD display showing real-time inflow and downflow air velocities, filter remaining lifespan, fan and lighting status, UV lamp status, power interface status, and active alarm notifications
- Built-in digital clock with calendar display; UV sterilization scheduling (appointment setting) and countdown timer with UV lamp/lighting interlock for operator safety
- Intelligent constant-wind-speed technology using high-performance anemometric sensors that automatically adjust blower output to maintain target air velocities as HEPA filters load over time
- Front window sash limit protection that suspends fan operation if the sash is raised beyond safe working height; 10-degree ergonomic tilt angle on the front viewing window reduces operator fatigue during extended procedures
- HEPA filtration rated at ≥99.995% for particles ≥0.3 µm (ISO Class 5); optional ULPA upgrade achieving ≥99.9995% (ISO Class 4) for higher-risk applications
- Preset filter integrity alarm and filter failure/damage detection; low-energy standby mode for reduced operational costs during idle periods
- All-SUS304 stainless steel interior chamber walls for chemical resistance and ease of decontamination; removable SUS304 brushed stainless steel work surface for thorough cleaning and autoclave sterilization
- Standard splash-proof (IP-rated) AC power outlet inside the cabinet for in-cabinet equipment; reserved plumbing ports for water and gas service connections
- Modular split-style design; detachable base stand with lockable casters and leveling adjustment screw rods for stable placement on uneven laboratory floors
Theory and Method of Operation
The ToronSafeCab™ S operates as a Class II Type A2 biological safety cabinet, combining three distinct airflow streams to achieve simultaneous personnel, product, and environmental protection. When the cabinet is in operation, room air is drawn inward through the front opening at a controlled inflow velocity of 0.55 m/s, creating a negative-pressure air curtain at the sash that prevents aerosols from escaping into the laboratory — this is the personnel protection mechanism.
Inside the cabinet, a centrifugal blower recirculates approximately 70% of the work zone air downward through a supply HEPA filter at 0.35 m/s, producing a vertical laminar downflow that protects the sample from cross-contamination and airborne particulates — this is the product protection mechanism. The remaining 30% of work zone air is exhausted through a dedicated exhaust HEPA filter, preventing any accumulation of volatile chemicals or biological agents — this constitutes environmental protection.
Both the supply and exhaust HEPA filters retain ≥99.995% of particles ≥0.3 µm (ISO Class 5). An optional ULPA filter upgrade achieves ≥99.9995% retention (ISO Class 4). The intelligent constant-wind-speed system continuously monitors airflow via high-performance sensors, automatically compensating for filter loading to maintain target velocities throughout the filter's service life. A programmable UV germicidal lamp with scheduling and countdown functions provides additional surface decontamination between sessions.
Biological Safety Cabinet (70% Recirculation) – ToronSafeCab™ S Technical Specifications
| Parameter | ToronSafeCab™ S-1 | ToronSafeCab™ 13S-2 | ToronSafeCab™16S-2 |
|---|---|---|---|
| Applicable Persons | 1 | 2 | |
| Cleanliness Class | ISO Class 5 / Class 100 | ||
| Inflow Air Velocity | 0.55 m/s | ||
| Downflow Air Velocity | 0.35 m/s | ||
| Noise Level | ≤ 67 dB(A) | ||
| Vibration Half Peak Value | ≤ 5 µm | ||
| Illuminance | ≥ 650 Lux | ||
| Ambient Temperature | 10 – 30 °C | ||
| Relative Humidity (at 25°C) | ≤ 70% | ||
| Atmospheric Pressure | 80 – 105 kPa | ||
| Internal Dimensions (W×D×H) | 900×580×595 mm | 1360×580×595 mm | 1680×580×595 mm |
| Housing Dimensions (W×D×H) | 1040×770×2135 mm | 1500×770×2135 mm | 1820×770×2135 mm |
| Height of Rack | 630 mm | ||
| Inflow HEPA Dimensions | 935×475×70 mm | 1395×475×70 mm | 1715×475×70 mm |
| Exhaust HEPA Dimensions | 450×420×90 mm | 750×420×90 mm | 1000×420×70 mm |
| Lamp (Power × Qty) | 20 W × 1 | 30 W × 1 | |
| UV Light (Power × Qty) | 20 W × 1 | 30 W × 1 | 40 W × 1 |
| Total Power Consumption | 1,100 W | 1,400 W | 1,450 W |
| Voltage | 220 V ± 10%, 50/60 Hz (110V is also available) | ||
| Net Weight | 174 kg | 223 kg | 280 kg |
| Gross Weight | 205 kg | 253 kg | 322 kg |
| Package Size | 1300×970×1690 mm | 1760×970×1690 mm | 2080×970×1690 mm |