Ductless Fume Hood LFH-T2021

Introduction

Ductless Fume Hood offers a chamber of dimensions 1110 × 690 × 740 mm with a maximum opening of 650 mm, 2 pcs chemical filters. It is equipped with advanced a UV lamp for effective sterilization of the working environment. The hood features a microprocessor control system with a digital centrifugal blower efficiently circulates air through the filters to remove harmful fumes and particulates. Our hood is designed to provide a safe and clean working environment.

This laboratory fume hood is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Ductless Fume Hood is used in biotechnology and other branches of life science industry, in pharmaceutical industry to perform experiments or tasks under sterilized work environment.

Specifications

Internal Dimension (W × D × H)	1110 × 690 × 740 mm
External Dimension (W × D × H)	1200 × 880 × 2140 mm
Work Surface Height	900 mm
Maximum Opening	650 mm
Air Velocity	0.25 to 0.35 m/s
Airflow Volume	105 m3/h
Noise	Up to 55 dB (A)
Fluorescent Lamp	16 W × 2
UV Lamp	253.7 nm emission for efficient decontamination
Blower	Built-in centrifugal blower, speed adjustable
Front Window	Acrylic; Manual; Reversal design
Exterior Material	Cold-rolled steel with anti-bacteria powder coating
Side Window Material	Acrylic window
Work Table Material	Chemical resistant phenolic resin
Chemical Filter	2 pieces
Power	400 W
Power Supply	AC 220 V ± 10%, 50/60 Hz; 110 V ± 10%, 60 Hz
Main Body Packaging Dimension	1350 × 1000 × 1510 mm
Base Cabinet Packaging Dimension	1350 × 1000 × 1080 mm
Main Body Gross Weight	200 kg
Base Cabinet Gross Weight	130 kg

Features

Electronic system for overload and shock protection

Internal & external air quality probes

Filter change alarm (audible & visual)

Two storage shelves

Four caster wheels for mobility

FAQs

1. What are the key factors to consider when selecting this laboratory fume hood for laboratory use?

When selecting this laboratory fume hood, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this laboratory fume hood be calibrated to ensure accurate results?

It is recommended to calibrate this laboratory fume hood at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this laboratory fume hood?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this laboratory fume hood be used with different types of samples, and are there any compatibility considerations?

Yes, this laboratory fume hood can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the laboratory fume hood malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.

1. What makes the Ductless Fume Hood different from traditional ducted fume hoods?

Ductless Fume Hood differs significantly from traditional ducted systems as it eliminates the need for external ductwork. Instead, it uses a built-in centrifugal blower and two chemical filters to remove harmful fumes and particulates from the air. This makes it easier to install, highly portable, and ideal for modular or temporary lab spaces where permanent ducting is not feasible.

2. How does the Ductless Fume Hood ensure operator safety during operation?

The Ductless Fume Hood is designed with multiple safety layers: a microprocessor-controlled electronic system prevents electrical overloads and shocks, while internal and external air quality probes continuously monitor filter conditions and environmental safety. Additionally, it features a UV sterilization lamp for decontaminating the work area and audible/visual alarms to indicate when filters need to be changed.