What To Look For When Purchasing A Benchtop Ductless Fume Hoods?

Ductless fume hoods are described by multiple names like filtered fume hoods, or carbon-filtered enclosures. Ductless Fume Hoods are self-contained and filtered laboratory enclosures that eliminates dangerous fumes, vapors as well as particles from the laboratory.

Not like conventional fume hoods, investment prices are very cheap plus no ductwork is needed. Hence, countless people think choosing one is a slam-dunk when they first discover them.

There are few crucial things to analyze before reaching the final choice to buy a ductless fume hood. Consider these aspects into careful thought to be sure that a ductless fume hood is the correct decision for the Laboratory Supplies the applications:

1. Is the common application suitable for a ductless fume hood?

Countless different classes of ductless as well as the filtered fume hoods few hoods still restrict application that can be implemented in them. Few ductless fume hoods should only be utilized light-duty instead of process explicit fume hoods. Additionally filtered fume hoods can be utilized for a broad range of chemicals, however, keep in thought that more extensive chemical amounts will ever reduce filter life. 

This indicates that:

   ·        A restricted number of complex chemicals should be applied.

   ·        No excessive heating should be taken out in the hood.

 ·  Unostentatious chemical amounts should be accepted, about 500 mls or less by chemical.

   ·        Mediocre chemical display times should be managed.

2. Will the chemicals included in the application be adequately filtered with the available carbon filters?

Typically, ductless hoods will be equipped with chemical explicit filters. Explicit filter kinds enhance chemical trapping capability for complex chemical groups; but, few chemicals cannot be securely filtered or are not filtered efficiently sufficient to enable ductless hoods to be a financially viable alternative.

3. How frequently will you have to substitute the filters?

Although you won't have the added cost of tube work downloading and wiring together with a standard fume hood you want to consider how often you want to remove your filters, and the maintenance costs associated with that, to add your total yearly filter costs.

Filter lifespans can end from a few months up to two years. You will want to search out how long the expected filter lifespan is for your application so the weigh that against the cost to establish a standard fume hood. It also considers the energy cost of running a standard fume hood which totally replaces tempered air from the laboratory and taxing the HVAC system.

4. How do the pros as well as cons of utilizing a ductless fume hood stability out for you?

If you possess decided that a ductless fume hood is most apparent suitable for the application, the ultimate thing to perform is to decide how the benefits of a ductless fume hood persist up against its disadvantages, plus how both adjust with the organization's overall purposes. 

Conclusion 

These four things are very important to look For When Purchasing a Benchtop Ductless Fume Hoods, before buying benchtop ductless fume hoods these four points will help you.

What is the Difference Between Downflow Workstation and Cleanroom Workbenches?

Original Source: https://laboratoryquipment.blogspot.com/2020/01/advantages-of-reconfigurable-laboratory.html

It very important to know about the difference in downflow workstation and the cleanroom workbenches but it also essential to understand what exactly they both are:

What is Downflow Workstation?

Downflow Workstations are great performance ductless fume hoods created to preserve the user plus the atmosphere from perilous vapors produced on the operation surface, Unrestricted head, as well as side access, helps applicability necessitating complex plus absolute operator association, while downward airflow in the cell guards the operator.

What is Cleanroom Workbenches?

Cleanroom workbenches are variety carries stainless steel tables with dense, perforated or rod top surface choices, plus workbenches including powder glazed steel or stainless steel frames as well as a performance surface present that carries laminate, epoxy resin, stainless steel, ESD laminate, chemical resistant laminate, polypropylene, and more

The distinction between Downflow Workstation as well as Cleanroom Workbenches 

downflow workstation, as well as the cleanroom workbenches both, very uses full in the laboratory. But they both are very different in utilizing and they also have different features. Following are the features of downflow workstation as well as the cleanroom workbenches:

Features as well as the advantages of Downflow Workstation 

·        More spacious units, including two or more extra workstations, can be placed side-by-side with union bond choice.

·        The downflow is Available in 3 approved different sizes, in metal or polypropylene composition, figuring 6 figures.

·        Downward airflow preserves workers from fume plus dangerous particle. 

·        Unlimited front as well as the side entrance to the practice area. 

·        A deep airflow signal alerts of inadequate face impetus.

·        The high inclination filters are accessible to reach, simple to adjust.

·        A bizarre filter clamping form reduces detour leakage outside the chamber.

Features of cleanroom benches:

The cleanroom workbenches are eternally manufactured to consumer specifications. The dimensions can be adapted to the local demands as well as the feature so these are the features:

 1. The case is manufactured of top-quality steel plate, including outside surface of electrostatic spraying, good-looking presentation.

2. Workspace is composed of imported stainless steel, the crystalline glasses front panels are on all sides, firm as well as it is long-lasting, the working space is simplistic plus bright.

3. The device utilizes the centrifugal fan, low noise, blowing rate, and stable is flexible to assure that the workspace is eternally in excellent condition.

4. The capital provided with brightness as well as sterilization tools.

5. Cleanroom workbench with curtain-scoop and very simple to access to the work area.

 6. Cleanroom workbench including sliding door

·        Endless sliding device, the primary height can be customized separately

·        Workbench can be secured throughout breaks or for the storage of stuff. The cleanroom class endures unimpaired as a portion of this.

·        Crystalline front-side

7. Cleanroom workbench with roller blind and simple locking of the workbench as well as it is opaque.

8. Cleanroom workbench with cover

·        No airflow from the edge of the material which interrupts the cleanroom atmosphere

·        User is in the cleanroom

·        Very wide degree of method safety

Environmental Monitoring Downflow Workstation

Ductless Downflow Workstations are developed to protect the environment and the user from harmful toxins and vapors in a lab. It provides access from the side and front to facilitate works that involves intense and complex operator involvement. The chamber has a downward airflow to protect the operator. The downflow workstations are part of the filtered fume hoods.

The environmental monitoring downflow workstation finds wide usage in applications in industries that include pharmaceutical, microscopy, histology, forensic, dental, forensic fingerprint powder, and veterinary to safeguard the workmen.

Features and benefits

Ductless Downflow Workstations are available in three sizes. It boasts either polypropylene or metal construction. You can make use of the junction connection to connect two or more workstations and form wider units.

It protects the operator from particle and fume hazards. It comprises a low air flow alarm to warn the operator about inadequate face velocity. It prevents bypass leakage with the help of unique filter clamping.

The control panel comprises displays and electronic controls such as electronic hour counter, low airflow alarm, and switches (orange and green color) to control the blower. A filter ID window is strategically placed in the front cover. It provides information to ensure timely replacement of the filter. A polypropylene tray is placed under a perforated stainless steel work space inside to keep the spillage.

The unit has a steel frame coated with epoxy to provide excellent mechanical strength. The users can also opt for a unit manufactured completely using polypropylene.

To prevent accidental exposure to the dirty filters and unauthorized access, the unit is equipped with a filter access key. It has an electrostatic pre-filter. It is effective up to 3 microns. Interior of the workstation is illuminated with a vapor proof fluorescent lamp.

To contain hazardous vapors, you can choose optional front sash and side panels. Its performance specifications comply with ANSI, OSHA or other relevant standards to ensure protection for an operator.

Operating voltage

You can choose Ductless Downflow Workstations to work either with 230V, 50 Hz or 120V, 60 Hz. You need to check the voltage in your area and order the right model for your lab.

The downflow work station comes with carbon filtration technology to provide safety and high performance when compared to traditional fume hood products. It reduces the environmental impact by trapping the chemical vapors. It recirculates the filtered air and hence energy efficient. It is economical. It doesn’t need venting to an outside area. You can choose a portable unit for easy movement to another location depending on the need.

It ensures biological safety with the help of ULPA or HEPA filters. You can select the filtration system to suit your application requirement. You can purchase carbon filters in over 14 configurations to facilitate use with mercury, acids, organic solvents, vapors or formaldehyde.

The downflow work stations are user friendly and last longer. You can choose the right-sized system for your lab.

It is suggested to purchase downflow work station from a reputed organization that provide excellent after sales support and economical.

What is the purpose of ductless downflow workstations?

Downflow workstations are highly efficient ductless fume hoods devised to shield the user and the relevant atmosphere from dangerous vapours generated on the work surface. Unrestricted front and side approach to the ductless workstations facilitates operations which demands complicated and intensive operator involvement, while downward airflow in the chamber safeguard the operator.

Downflow Workstation organize a safe work environment over the broad range of applications in the industry, ranging from forensic fingerprint powder, chemical, dental, forensic, industrial, microscopy, to pharmaceutical and veterinary. In fact ductless down flow work station offers huge visibility work area with easy entry to the perforated negative pressure work surface.

Essential features of downflow workstation are mentioned below-

1. Easy to switch filter.
2. Downward airflow safeguards operator from fume and particle threat.
3. Unrestricted front and side approach to work area.
4. Upgraded filter clamping knock out the risk of bypass leakage.
5. Low air flow alarm.
6. Filters with tremendous capacity.

Purpose of installing ductless down flow workstations are mentioned below-

1. The eco-friendly option- Advanced technology of carbon filtration of downflow workstation offers a secure and immense performance alternative for broad range of applications.
2. Versatility-The multiplex filter broadens the range of applications. HEPA filters add to biological security.
3. Environmental benefits-Ductless fume isolate and trap chemical vapours, in order to counter ecological impact through dispensation into the atmosphere.
4. Energy efficient-Ductless down flow workstations are economical and efficient to use.
5. Safe to use-Workstations air flow and face velocity safeguards users from risky exposures to fumes.
6. Easy to install-Ductless Downflow Workstations is self-contained and does not demand unleashing to the outside. Entire set-up, operation and filter maintenance are easy to support.
7. Self-testing-Electronic airflow monitoring system ensures safety consistently. Also an extra electronic gas sensor monitors carbon filter performance.

Useful aspects of design of workstations-

1. Control panel-This feature of workstation controls and displays switches for the blower.
2. Airflow alarm-Low airflow alarm consistently monitors filter loading and warns user when service is required.
3. Steel support frame-The chemical resistant plaster coated steel frame adds extra mechanical power.
4. Work surface-Under the perforated stainless steel internal work surface is a polypropylene tray to avoid any spoilage.
5. Filter door key-Filter access keys blocks accidental exposure to dirty filters.
6. Internal fluorescent lamp-Vapour proof fluorescent lamp light up the interior of the workstation.
7. Electrostatic pre-filter-The electrostatic pre-filter is accessible from interior part of chamber.
8. Internal manual speed controller-It assists in adjusting the centrifugal fan motor speed as per requirement.
9. Genuine compliant-Performance specifications and construction meet ANSI and other relevant international standards, in order to ensure safety.
10. Construction-Workstations are built from either metal or polypropylene.
11. 270 degree visibility-Unrestricted access of the front and sides of the workstation, gives a clear view of entire contents.
12. Filter I.D. window-Front cover window displays the installed filter part number and date of installation, to remind filter replacement on expected time.