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Labgard 427 Class II, Type B1 Biological Safety Cabinet

The Labgard 427 offers significantly reduced life-cycle costs with a number of design innovations that make the Class II Type B1 Laminar Flow Biological Safety Cabinet a viable choice for laboratory professionals.

Features :
- Least Expensive Exhausted Class II, B1 Biological Cabinet to Operate
The Labgard 427 requires less exhaust air, more than 50% less air, than any other type of exhausted Class II biological safety cabinet, YET, by virtue of its series orientated HEPA filters, provides a total exhaust area in the rear one-half of the cabinet that can permit an increased, but judicious use, of flammable liquids as required as an adjunct to microbial studies.
- Single Supply HEPA filter
The original NCI Type B1 cabinet ( i.e. NU-420) virtually required two supply HEPA filters: One under the work surface ( as required by specifications to provide uncontaminated positive pressure plenums for the re-circulated air) and one over the work surface ( to filter particulates from the blower) . The NU-427 by its unique and patented dual all negative pressure rear duct design, eliminates the need for two filters and places the positive pressure contaminated supply plenum within a negative pressure zone, even down to the HEPA filter interface with the cabinet shell.
All Stainless Steel Construction, of both the external shell and all internal ducts and plenums, means the cabinet' s surfaces are chemical resistant and easily cleaned and decontaminated for a long life
- Ergonomic Design
Like all NuAire bench Class II Biological Safety Cabinets, Ergonomic Advancements are Incorporated into the Labgard NU-427. From a frameless viewing window yielding an unobstructed view of the work zone, to the use of indirectly diffused cool white fluorescent lighting, soothing to the eyes, so you work comfortably, safer and smarter.
- Microprocessor Driven Electronic Controls
The the electronic controls are managed by a microprocessor which handles all essential functions of the cabinet including lights, blowers, alarms and duplex outlets. The microprocessor control system maintains an optimum balance between the supply air system and the customer supplied exhaust air system using dual thermistor probes to measure the supply and exhaust air volumes. The exhaust interlock system prevents operation of the internal supply blower unless the exhaust flow is sufficient to provide a minimum air barrier ( i.e. 100 FPM) . Audible and visual alarms are provided.

Specifications :
External Dimensions
Width ( W) 77 5/ 8 ( 1972)
Depth ( D) ( Incl. Control Center) 32 7/ 8 ( 835)
Height ( H) ( Incl. Exhaust Grill) 61( 1549)
Basestand, 30" W.S. 89 1/ 2 ( 2273)
Basestand, 36" W.S. 95 1/ 2 ( 2426)

Internal Dimensions
Width ( W) 70 3/ 8 ( 1788)
Depth ( D) 23 1/ 2 ( 497)
Height ( H) 25 1/ 2 ( 648)