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LabGard® model NU-540 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 agents in low to moderate risk‐hazard research and drug preparation. LabGard® ES offers economical operation through the use of an ultra-high efficiency motor to maximize filter life and monolithic silicone-free construction for long product life all for an affordable price.
Protected by the industry's best warranty
5 Year Parts (including filters) and Labor Warranty (United States and Canada)Standard Features
A Size That Meets Your Needs
LabGard® model NU-540 is available in four different widths 3 foot (0.9 m), 4 foot (1.2 m), 5 foot (1.5 m), and 6 foot (1.8 m) ensuring there is a cabinet size that fits your application and laboratory.
True Laminar AirflowUnidirectional airflow moving along parallel flow lines at a constant velocity of 60 fpm (0.30 m/s) minimizes air turbulence within the work zone lessening the chance of cross contamination.
Dynamic Air Barrier
A steady inflow air velocity of 105 fpm (0.53 m/s) over an aerodynamic airfoil creates an active air barrier offering maximum personnel protection.
Ergonomic Design Reduces Workplace Injuries
LabGard® Biological Safety Cabinets are constructed from 16/18 gauge, type 304 stainless steel welded together as a uniform, monolithic shell. The work zone features a coved back-wall insert welded into place creating double wall construction adding to the cabinet's integrity. LabGard® is Silicone Free and designed to provide long lasting safety.
AeroMax™ ECS provides user-friendly control systems that monitors and displays airflow performance via PressureFlow™ - A Digital Pressure Monitor. nitecare™ Night Setback Mode - Upon sliding the window sash into the closed position, the motor blower will continue to operate at a lower rate to save energy and maintain interior clean air conditions ready for use upon window sash opening.
nitecare™ Night Setback Mode
Upon sliding the window sash into the closed position, the motor blower will continue to operate at a lower rate to save energy and maintain interior clean air conditions ready for use upon window sash opening.
HEPEX™ Zero Leak Airflow System
A vacuum surrounds all LabGard® positive pressure plenums relative to the room. In the event of a leak via gasket failure, all contaminated air in the plenum is forced through HEPA filtration. The HEPEX™ system also works to provide accurate laminar airflow by evenly distributing plenum air over the supply HEPA filter. The flexible design eliminates any vibration transfer from the motor blower as well as creates a serviceable work environment for Certifiers after decontamination.
Ultra High-Efficiency Motor
An ultra-high efficiency ECM motor automatically compensates for filter loading and line voltage variances maintaining proper airflow for the safest environment. Combined with the appropriately sized fan blade lowers energy usage while extending the life of filters.
NuAire LabGard® ES Air (NU-540 Series) Class II, Type A2 Biosafety Cabinets | ||||
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Catalog Number Nominal Size |
NU-540-300 3 foot (0.9m) |
NU-540-400 4 foot (1.2m) |
NU-540-500 5 foot (1.5m) |
NU-540-600 6 foot (1.8m) |
Performance Specs Personal Protection Product Protection |
NSF/ANSI 49 | NSF/ANSI 49 | NSF/ANSI 49 | NSF/ANSI 49 |
Class, Type | Class II, Type A2 | Class II, Type A2 | Class II, Type A2 | Class II, Type A2 |
Style of Cabinet | Bench top/console w/base stand/storage |
Bench top/console w/base stand/storage |
Bench top/console w/base stand/storage |
Bench top/console w/base stand/storage |
Cabinet Construction | Welded stainless steel 16/18 gauge, Type 304 pressure tight design | Welded stainless steel 16/18 gauge, Type 304 pressure tight design | Welded stainless steel 16/18 gauge, Type 304 pressure tight design | Welded stainless steel 16/18 gauge, Type 304 pressure tight design |
Air Supply Diffuser (Metal) | Non-flammable | Non-flammable | Non-flammable | Non-flammable |
HEPA Filter Seal Type: Supply Filter - 99.99% Eff. on 0.3 microns Exhaust Filter - 99.99% Eff. on 0.3 microns |
HEPEX Seal
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HEPEX Seal
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HEPEX Seal
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HEPEX Seal
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Fumigation: per NIH/NSF Procedures | Yes | Yes | Yes | Yes |
Standard Services Service Coupling 3/8" NPT: Service Coupling 3/8" NPT: Gas Valve / Service Coupling 3/8" NPT: Duplex Outlet: |
One Right Sidewall Two Left Sidewall One Right Sidewall Two Backwall |
One Right Sidewall Two Left Sidewall One Right Sidewall Two Backwall |
One Right Sidewall Two Left Sidewall One Right Sidewall Two Backwall |
One Right Sidewall Two Left Sidewall One Right Sidewall Two Backwall |
Optional Services Gas Cock 3/8 NPT: Ultraviolet Light: Std./Cup Sinks: |
Up to 3 ea. Sidewall One - Backwall Left or Rt. Work Surface |
Up to 3 ea. Sidewall One - Backwall Left or Rt. Work Surface |
Up to 3 ea. Sidewall One - Backwall Left or Rt. Work Surface |
Up to 3 ea. Sidewall One - Backwall Left or Rt. Work Surface |
Cabinet Size Inches (mm) Height Assembled: Height (Transport): Width Assembled: Depth w/o Armrest: |
61 7/8" (1572) 59" (1499) 41 5/8" (1057) 31 7/16" (799) |
61 7/8" (1572) 59" (1499) 53 5/8" (1362) 31 7/16" (799) |
61 7/8" (1572) 59" (1499) 65 5/8" (1669) 31 7/16" (799) |
61 7/8" (1572) 59" (1499) 77 5/8" (1972) 31 7/16" (799) |
Work Access Opening Inch (mm) Standard Height: Optional Height: Std Inflow Velocity: |
10" (254) 8" (203) 105 FPM (.53 m/s) |
10" (254) 8" (203) 105 FPM (.53 m/s) |
10" (254) 8" (203) 105 FPM (.53 m/s) |
10" (254) 8" (203) 105 FPM (.53 m/s) |
Work Zone Inches (mm) Height: Width: Window Height: |
28 1/2" (724) 34 3/8" (873) 25 3/4" (654) |
28 1/2" (724) 46 3/8" (1178 25 3/4" (654) |
28 1/2" (724) 46 3/8" (1178) 25 3/4" (654) |
28 1/2" (724) 70 3/8" (1788 25 3/4" (654) |
Viewing Window: Inches (mm): Standard is safety plate sliding glass |
Fully closed to 21" (533) open |
Fully closed to 21" (533) open |
Fully closed to 21" (533) open |
Fully closed to 21" (533) open |
Required Exhaust CFM (CMH) Opening Standard: Optional: Canopy Variable Flow Thimble (NU-911) Canopy Fixed Flow Thimble (NU-907) |
10" (254) 8" (203) 276-501 (649-851) 255-450 (383-765) 320 (544) 269 (457) |
10" (254) 8" (203) 363-588 (617-1000) 295-520 (502-884) 426 (724) 359 (610) |
10" (254) 8" (203) 451-676 (766-1149) 365-590 (621-1003) 531 (902) 445 (756) |
10" (254) 8" (203) 538-763 (915-1297) 436-661 (741-1124) 634 (1077) 532 (904) |
Plant Duct Static Pressure Inch/Metric | 0.05-0.1" / 1.27-2.54mm H2O |
0.05-0.1" / 1.27-2.54mm H2O |
0.05-0.1" / 1.27-2.54mm H2O |
0.05-0.1" / 1.27-2.54mm H2O |
Heat Rejected, BTU, Per Hour (opening): (non-vented): (vented): |
10" (254) / 8" (203) 903 / 826 120 |
10" (254) / 8" (203) 1140 / 1020 157 |
10" (254) / 8" (203) 1768 / 1611 198 |
10" (254) / 8" (203) 1884 / 1768 198 |
Electrical: Volts, AC 60 Hz +Amps: Blower / Lights (10/8/12 openings): Amps: (Duplex) Rated Amps: 12 ft. Power Cord: |
U.L./UL-C Listed 115 2.3 / 2.1 3 10 14ga - 3 Wire, 15A |
U.L./UL-C Listed 115 2.9 / 2.6 3 12 14ga - 3 Wire, 20A |
U.L./UL-C Listed 115 4.5 / 4.1 3 14/*12 *12/14ga - 3 Wire, 20A *15A Optional |
U.L./UL-C Listed 115 4.8 / 4.5 3 14/*12 *12/14ga - 3 Wire, 20A *15A Optional |
Crated Shipping Wt.** / Net Weight | 450 lbs. / 204 kg. 400 lbs. / 181 kg. |
515 lbs. / 234 kg. 465 lbs. / 211 kg. |
600 lbs. / 272 kg. 550 lbs. / 249 kg. |
670 lbs. / 304 kg. 620 lbs. / 281 kg. |
*15A Configuration does not include accessory outlet.
**Crated shipping weight does not include weight for accessories or options
+ Based on cabinet with new filters running at 115VAC.