Viva® Universal Workstation

Esco Viva® Universal Workstation draws on Esco's experience of over 25 years in laminar air flow technology. The enclosure employs two independently balanced ULPA filtration modules to protect animals inside the enclosure from exposure to airbone particulates / ambient contamination, as well as the operator from exposure to allergens and other potentially hazardous materials. It employs an airflow recirculating design similar to a Class II Type A2 biosafety cabinet (operating principles described below).

Featuring an ergonomically sloped front design and integrated carbon filters to remove odors emitted, the Viva® Universal Workstation ensures the comfort of the operator during operations. Coupled with the standard protective features of precise airflow engineering, ULPA filtration techniques, Esco Sentinel™ Microprocessor control and Isocide™ antimicrobial powder coating, theViva® Universal Workstation represents a complete solution to your need for ergonomics, reinforced safety and operations efficiency in animal handling operations.

Reinforced Safety

• Operator, Product and Environment Protection via controlled inflow, downflow and exhaust similar to Class II Type A2 biosafety cabinet technology (described in detail below).
  
  
• ISO Class 3 air cleanliness within workzone as per ISO 14644.1 (equivalent to Class 1 as per the US Federal Standard 209E, 100 times cleaner than the usual Class 100 classification on cabinets offered by the competition).
  
  
• Disposable high-quality polyester pre-filter with 85% arrestance located under the work tray removes large contaminants and particles.
  
  
• Minipleat separatorless ULPA filter technology, operating at the typical efficiency of 99.9999% at MPPS, 0.3 and 0.12 microns provides better operator, product and environmental protection than conventional HEPA filters. This cabinet employs 2 ULPA filters, 1 for downflow and 1 for exhaust airflow filtration.
  
  
• Esco Sentinel™ Microprocessor allows the operator to easily access and control all cabinet functions on the LCD screen. Audible and visual alarms alert the operator to unsafe sash position and low airflow (detected by our proprietary airflow sensing technology).
  
  

• Esco Isocide™ antimicrobial powder coating prevents surface bacterial growth and enhances operator safety.

Optimum Operations Efficiency

• Large 12" work access opening enables easy handling and transfer of cages from the work zone for animal handling operations.
  
  
• Highly maneuverable and mobile workstation mounted on non-marking 5" casters with total-lock brakes.
  
  
• Ease of cleaning - the inner sidewall and backwall is constructed of a single piece of stainless steel to facilitate ease of cleaning with no welded joints where contaminants may potentially accumulate.
  
  
• Cabinet armrest is raised above the workzone to ensure that the operator's arms do not block the front inflow perforations.

Operator Ergonomics

• Ergonomically sloped front design reduces glare and facilitates ease of reach into the work zone.
  
  
• Integrated carbon filters remove odorsevolved during the animal handling process.
  
  
• Built-in 5000k fluorescent lighting offers excellent illumination and the electronically-ballasted lighting system illuminates immediately, is non-flickering and energy-efficient.
  
  
• Optional electrically-operated hydraulics allows adjustment of working height for optimum operator working height.

Universal Workstation Operating Principle

• Class II cabinets provide product, operator and environment protection. They are suitable for general microbiological work with agents assigned to biosafety levels 1, 2, or 3. Class II cabinets are recommended for most applications and are the most common and cost-effective systems available on the market today.
  
  
• Inflow from the room enters the cabinet via perforations located at the front of the work zone. This unfiltered inflow does not reach the work zone, and is drawn through the air return path below the work zone to the common plenum.
  
  
• An ULPA-filtered vertical laminar flow air stream within the cabinet (also referred to as the downflow - large light blue arrows on the airflow diagram) moves downwards from the top of the work zone towards the work surface. A filter mounted in the ceiling of the working area provides this airflow and ensure the work zone is continuously ¡°bathed¡± in clean air, therefore protecting the product / samples in the work zone from contamination present in normal room air.
  
  
• From the common air plenum, approximately 35% of the air is ULPA filtered and exhausted (thus protecting the operator and the environment from exposure to biological hazards), while approximately 65% is ULPA-filtered and recirculated into the work zone as downflow.
  
  

Engineering Diagram

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