Smart Ductless Laboratory Fume Hood – Energy-Efficient Air Filtration

Core Technical Advantages

1. VAV (Variable Air Volume) system that adjusts fan speed in real time based on sash height, automatically regulating air flow to maintain a safe surface wind speed of 0.5m/s

2. Exceptional energy efficiency that outperforms traditional ducted fume hoods, eliminating unnecessary air conditioning energy loss and exhaust emissions to avoid environmental pollution

3. Powerful adsorption capability, making it a direct replacement for conventional ducted laboratory fume hoods

4. Humanized three-sash design for flexible access and enhanced operational convenience

5. Large LCD screen displaying surface wind speed, filter saturation status, internal cabinet temperature, and fan operating speed

6. Compatibility with multiple gas or liquid sources, allowing external flow control without accessing the cabinet interior

7. Multiple dedicated laboratory sockets reserved to support simultaneous operation of small instruments inside the cabinet

8. Optional remote monitoring system enabling 24/7 wireless oversight via client platforms

Standard Configuration

– American PSC DC brushless silent motor with a 6W hours lifespan

– Double-layer molecular filter module constructed from polypropylene (PP material)

– Large high-definition LCD control panel

– Japan-imported high-sensitivity electrochemical probe, calibrated with American RAE company PID technology for superior accuracy, fast response, and high stability

Intelligent Monitoring & Control

LCD Screen Display

Computerized control panel offering:

– Real-time display of internal cabinet temperature

– Optional online monitoring of laboratory air quality changes with ppm value readouts

– Optional real-time monitoring of chemical concentration changes at the filter outlet with ppm value display

– High-sensitivity probe for precise surface wind speed measurement and real-time display

– Fan speed monitoring and display

– Customizable alarm point settings to elevate experimental safety levels

Operation Panel & Probe

Redesigned panel enables online detection of filter saturation and laboratory air pollution status, with large LCD screen displaying data in ppm units. Calibrated via RAE company PID technology, it delivers high accuracy, rapid response, and strong operational stability.

Structural & Material Specifications

1. Metal components: Main body constructed from 1.2mm galvanized steel sheet, coated with acid- and alkali-resistant epoxy polyester

2. Load-bearing parts: 2.0mm thick galvanized steel with exceptional load capacity, finished with acid- and alkali-resistant epoxy polyester coating

3. Side panels: 6mm thick acrylic sheet embedded within 1.2mm galvanized steel plates

4. Front panel: 8mm thick acrylic sheet for unobstructed visibility and chemical resistance

5. Epoxy resin worktop: One-piece core with superior chemical stability, formed by high-temperature curing of special high-pressure kraft paper and phenolic resin. It offers high impact resistance, flame retardancy, high temperature tolerance, and scratch- and wear-resistant surface structure.

6. Interface: Anti-electromagnetic interference power cord to ensure stable operation

Supporting Components

LED Lighting

5W LED lamp equivalent to 25W fluorescent lamp, heat-free operation that does not affect experimental environment temperature, with a service life exceeding 100,000 hours

American PSC Fan

6W hours of lifespan with ultra-quiet brushless motor operation

Fixed Workbench / Rack

Matching fixed workbench (with laminate) or work rack available for LFH series models, replacing traditional central workbenches and side tables

Optional Devices

Worktable can be customized to meet the requirements of different laboratory types, with multi-purpose workbench configurations available

Operation Principle

1. Air Inlet: Air is drawn directly from the laboratory into the fume hood to create a negative pressure zone, forming a natural barrier that isolates users from the chemicals they handle

2. Comprehensive Filtration System: The fan system draws in toxic and harmful gases, filters them, and returns purified air to the laboratory space. Precision cabinet concentration control prevents chemical gases from escaping back into the room and causing pollution

3. Lab Air Purification: Custom filter configurations are deployed based on specific operations to effectively remove toxic and harmful gases, purify laboratory air, eliminate chemical residues, and enhance overall lab cleanliness

Application Range

Stirring, liquid dispensing, pipetting, weighing, rotary evaporation, mixing, ultrasonic cleaning, teaching demonstrations, infrared analysis, microplate reading, microwave digestion, high-performance liquid chromatography, COD experiments, etc.