Ductless Fume Hood LFH-T2022

Introduction

Ductless Fume Hood is a floor standing unit offers 1410 × 690 × 740 mm chamber dimension, 650 mm maximum opening and 4 pcs chemical filter. Equipped with UV lamp for effective sterilization of working environment. Features three side transparent acrylic glass window, front window with reversal design plus waterproof sockets, and double layer structure with 1 mm metal sheet surface and chemical resistant phenolic resin work table. 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

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)	1410 × 690 × 740 mm
External dimension (W × D × H)	1500 × 940 × 2140 mm
Work surface height	900 mm
Maximum opening	650 mm
Air velocity	0.25 to 0.35 m/s
Airflow volume	325 m3/h
Noise	≤ 55 dB (A)
Fluorescent lamp	16 W × 3
UV lamp	Emission of 253.7 nanometers for most efficient decontamination
Blower	Built-in centrifugal blower, speed adjustable
Front window	Acrylic window; Manual; reversal design;
Material	Exterior Cold-rolled steel with anti-bacteria powder coating. Side window Acrylic Window Work table Chemical resistant phenolic resin
Chemical filter	4 pcs
Power	500 W
Power supply	AC 220 V ± 10%, 50/60 Hz; 110 V ± 10%, 60 Hz
Pacakaging dimension	Main body 1650 × 1110 × 1510 mm Base cabinet 1650 × 1110 × 1080 mm
Gross weight	Main body 255 kg Base cabinet 145 kg

Features

Microprocessor control system with digital display

Equipped with built-in centrifugal blower

External material: Cold rolled steel with anti-bacterial powder coating

Electronic control system: For anti-overload, anti-electric shock and stable performance

Inside and outside probe to detect indoor air pollution and filter conditions

UV lamp for effective sterilization of working environment

Audible and visual alarm for changing filter

Two shelves below work cabinet for storage

4 Casters for easy movement

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.