[Blog] Transitioning from Biosafety Cabinet models NU-425 and NU-475 to model NU-540

Biosafety Cabinet Model Comparison

Feature

LabGard NU-425

 CellGard NU-475

LabGard NU-540

Status

Discontinued

Discontinued

Active

Nominal Widths Available

3, 4, 5, 6-foot (0.9, 1.2, 1.5, 1.8-meter)

3, 4, 5, 6-foot (0.9, 1.2, 1.5, 1.8-meter)

3, 4, 5, 6-foot (0.9, 1.2, 1.5, 1.8-meter)

Quality Assurance

NSF/ANSI 49

NSF/ANSI 49

NSF/ANSI 49

Style of Cabinet

Benchtop/console w/base stand/storage cabinet

Benchtop/console w/base stand/storage cabinet

Bench top/console w/base stand/storage cabinet

Cabinet Construction

All welded stainless steel 16/18 gauge, Type 304 pressure tight design

Welded stainless steel 16/18 gauge, back wall gasksted plate, Type 304 pressure tight design

All welded stainless steel 16/18 gauge, Type 304 pressure tight design

Motor

Single Ultra High-Efficiency

Single Ultra High-Efficiency

Single Ultra  High-Efficiency

Window Sash Type

Straight Vertical

10 Degree Slope

10 Degree Slope

Window Sash Opening

8 or 10-inches (203 or 254 mm)

8 or 10-inches (203 or 254 mm)

8 or 10-inches (203 or 254 mm)

Control System

Essentials

• Rocker switch controls
• Window Alarm
• Minihelic gauge to monitor plenum pressure (Airflow)

Essentials

• Rocker switch controls
• Window Alarm
• Minihelic gauge to monitor plenum pressure (Airflow)

AeroMax

The Aeromax™ control system is designed to service the control requirements of the LabGard® ES NU-540 Biological Safety Cabinet. The Aeromax™ control system consists of an electronic module that will perform the following functions:

• Easy user interface via LED’s and function keys
• Control blower via solid state switch.
• Control lights via solid state switch.
• Control outlets via solid state switch.
• Disable audible alarm switch with ringback function.
• Control blower DC ECM motor with solid-state DC Motor Controller that provides automatic compensation (constant volume control) for both filter loading and line voltage variances.
• Monitor and display airflow system performance via PresurFlow™ monitor.

Interior

Stainless steel back wall divider with silicone

Stainless steel back wall divider with silicone

Double wall coved corner insert silicone-free

Shell Construction

Monolithic

Back wall plate

Monolithic

Work Tray

Welded support system

Welded support system

Work tray support system, removable for improved cleaning

Service Valve Configuration

Standard

• One (1) Service Valve (right side wall)
• One (1) Plugged Coupling (right side wall)

Standard

• One (1) Service Valve (right side wall)
• One (1) Plugged Coupling (right side wall)

Standard

• One (1) Service Valve (right side wall)
• One (1) Plugged Coupling (right side wall)
• Two (2) Plugged Coupling (left sidewall)

Lighting

Fluorescent

Fluorescent

Fluorescent with LED Option