Types of Laboratory Hoods and Specific Uses

Horizontal Laminar Flow Cabinets

SHC-A

AHC-A

Vertical Laminar Flow Cabinets

SCV-A

AVC-A

Class II Type A2 Biosafety Cabinets

AC2-E

AC2-S

LA2-A

Class II Type B2 Biosafety Cabinets

AB2-S

LB2-B

Laminar Flow Cabinets

Airstream Horizontal D Series

AHC-D

•Digital display

•Airflow alarm system

•Isocide

•Spillage Retaining

Work Surface

•Sloped Front

•Glass Sides

NEW

Airstream Vertical D Series

AVC-D

•Digital display

•Airflow

•Isocide

•Spillage Retaining

Work Surface

•Sloped Front

•Glass Sides

AHC-D/AVC-D Product FeaturesNEW

Biosafety Cabinets

Class II Type A2

- Re-circulating air - No ducting needed- Alternative Thimble Ducting

Class II Type B2

- Total exhaust (100%)- Ducting required- Suitable for fumes

Different Types of BSCs

Labculture Plus S Series LP2-S

•Reduced height, depth

•Low Noise Level

•Motor Voltage Stabilizer -

Accuflow

•Motorized window standard

•Multiple work tray

•Large LCD screen

•3 degree Sloped Front

•Western European style

Sentinel Gold versus Sentinel ControllerNEW

Video Presentation:

Working Safely in a BSC

Animal Containment Workstation

Viva® Dual Access Animal Containment Workstation

Viva® Dual Access Animal Containment Workstation

VDA

•Only for cage changing

•Available in 4ft size

•Pharmaceutical

•Universities

•Research Institutes

•Animal Breeding

Centers

Viva® Universal Workstation

Viva® Universal Workstation

VA2

• Class II airflow: product and user protection

• Optional height-adjustable stand

• General animal procedures especially those requiring biohazard protection

Product Name VIVA® Universal Workstation

(VA2)

Labculture Class II, Type A2 Biosafety

Cabinet (LA2)

Disposable pre-filter Yes Not applicable

Activated carbon filter Yes Not applicable

Working Opening 305 mm 218 mm

VA2 vs LA2

Viva® Bedding Disposal Workstation

Viva® Bedding Disposal Workstation

VBD

•Only for bedding

disposal

•Motorized stand

standard

•Rubbish Bin

•Pre Filter

•Carbon Filter

•Operator protection

only

Viva Animal Containment Workstations

Product Name Primary Application Allergen Control

VIVA Dual Access Workstation (VDA)

Cage changing Yes

VIVA Universal Workstation (VA2)

Research procedures, Cage Changing

Yes

VIVA Bedding Disposal Workstation (VBD)

Bedding disposal from soiled cages after

changing

Yes

Hospital Pharmacy Isolators

Hospital Pharmacy Isolator – Positive PressureNEW

HPI-P

•USP797 compliant

•Product protection

•Neoprene gloves

•Stainless Steel Interior

•Easy to clean

•Sloped front

Hospital Pharmacy Isolator – Positive PressureNEW

HPI-P

•Airlock pass through

•Optional motorized

stand available

•Built-in Sharps disposal

containers upgrade

Venue: Esco Singapore Headquarters21, Changi South Street 1Singapore 486777

Date: 25th September 2008

Time: 2.30pm-5.30pm

All are invited.

Hospital Pharmacy Isolator – Seminar

Cabinets for Chemotheraphy Drug Handling

Hospital Pharmacy Isolators – Negative Pressure Cytotoxic Safety CabinetsClass II Type B2 Cabinets

Cabinets for Chemotheraphy Drug Handling

LB2-B CYT-A HPI-N

Ducted & Ductless Fume Hoods

- Primary control device for protection of lab personnel from exposure to toxic chemicals

- Partially enclosed workspace that is exhausted to the outside of the building

- Suctions relatively high air flow through the front opening and exhausting hazardous pollutants out of the laboratory, where it will be infinitely diluted in the atmosphere

What are Fume Hoods?

1. Bypass

2. Baffles

3. Sash

4. Airfoil

Basic Features

Bypass – Openings on the hood body above the sash. As the sash is lowered, the openings are gradually opened such that there is inflow of air to compensate for the shrinking of the sash opening.

Baffles -- Partitions used to create slotted openings along the back of the hood body. Baffles keep the airflow uniform across the hood opening, thus eliminating dead spots and optimizing capture efficiency.

Basic Features

Sash

- The sliding “door” to the hood. The sash should be held in a low position (around 20 inches) when working in the hood and closed completely when the hood is not in use.

- The sash may be temporarily raised above this position to set up equipment, but must be returned to the optimum sash height setting prior to generating contaminants inside the hood.

Basic Features

Airfoil

- Located along the bottom and side edges the airfoil streamlines airflow into the hood

- Prevents creation of turbulent eddies that can carry vapors out of the hood - Space below the bottom airfoil provides source of room air for the hood to exhaust when the sash is fully closed

Basic Features

- Volume of airflow into hood remains more or less constant. As the sash is closed the airflow velocity into the hood increases.

- Air bypass incorporated above sash provides additional source of room air, reducing the rate of increase of face velocity as sash is lowered.

Design Styles

Constant Volume Bypass System

Variable Air Volume Hoods

- Most sophisticated of the hood types, requiring technically proficient design, installation and maintenance

- Maintains a constant face velocity as sash height changes, safe and energy-efficient

- Tracks the makeup air to the total exhaust by means of multiple dampers

Design Styles

Safety Essentials

Fume hood is not a storage!

Always keep fume hood clean and clear.

Action must be taken immediately if spillage happen.

Safety Essentials

Raise bulky equipment 1-2 inch off the work surface.

Place bulky equipment towards the rear of hood and away from the side walls.

Safety Essentials Safety Essentials

Keep sash as low as possible when conducting experiment.

Do not block the airfoil.

Reduce pedestrian traffic in front of the hood

Minimize rapid movement in front of hood.

Always keep laboratory windows and doors closed.

Safety Essentials Safety Essentials

Do not use a hood for any function for which it was not intended.

Certain chemicals or reactions require specially constructed hoods. Perchloric acid hoods shall be made of stainless steel

and equipped with a wash down system. Polycarbonate sash shall be applied when using

hydrofluoric acid. Work involving harmful micro-organisms should be

done in a biosafety cabinet, rather than a chemical fume hood.

Close the sash when finished hood work or leaving experiments or chemicals unattended.

Safety Essentials Safety Essentials

Video Presentation:

Fumehood Testing

Q & A

Thank You