Description
The LabGard ES (Energy Saver) CYTO Model NU-581 Laminar Flow Biosafety Cabinet (LFBSC) is a console model. The LabGard Model NU-581 utilizes an Energy Saver DC ECM Motor optimally determined forward curved fan for each model size/width to maximize both energy efficiency and filter loading capacity. The Energy Saver ECM Motor is controlled to airflow setpoints via a solid-state DC motor controller with digital dual thermistor airflow sensors that provide an automatic compensation (constant volume control) for both filter loading and line voltage variances.
The Laminar Flow Biosafety Cabinet, (LFBSC) is a product resulting from the development of the ""laminar flow"" principle (see Airflow Schematic) and the application of environmental controls as required in the field of biological research or chemical (hazardous drugs)containment. The LFBSC, when used with proper technique, is an effective primary engineering control in obtaining the optimum product quality while reducing the potential for exposure of both product and personnel to airborne biological or particulate chemical (hazardous drugs) agents in low to moderate risk-hazard research and drug preparation or product operations, as prescribed by the Center for Disease Control (CDC) Atlanta, Georgia.
The NU-581 Console LFBSC meets the requirements of a Class II, Type A2 since the cabinet conforms to the following requirements:
- Maintains a minimum inflow velocity of 100 LFPM (.51mps) through the work access opening
- Has HEPA filtered downflow air that is mixed with the inflow air from a common exhaust plenum
- Discharges a percentage of air to the outside atmosphere after HEPA filtration
- Has all biologically contaminated ducts and plenums under negative pressure or surrounded by negative pressure
Cabinets used for work with minute quantities of non-flammable or explosive volatile toxic chemicals and tracer amounts of radionuclides required as an adjunct to microbiological studies must be exhausted through properly functioning exhaust canopies.