Vertical Laminar Flow PCR Cabinet

What is the Vertical Laminar Flow PCR Cabinet?

A vertical laminar flow PCR cabinet supplies HEPA-filtered air downward over the work zone with UV decontamination. It gives a clean air supply over reaction set-up as well as surface decontamination of the interior.

Overview

This cabinet combines a vertical HEPA H14 supply at 0.3–0.5 m/s over the work surface with a 254 nm UV lamp and a timer-interlocked front panel. The downward stream sweeps particles and aerosols away from open tubes, giving ISO 5 at the work point, so it suits low-copy template work where contamination control is critical. Air may recirculate through the filter or be ducted, and a prefilter protects the HEPA stage. The interior is stainless steel for easy cleaning, and white or blue lighting aids visibility of small volumes. A pressure gauge shows filter loading. The cabinet is smaller and quieter than a full clean bench and is intended for bench-top molecular work rather than hazardous aerosols, which require a biosafety cabinet.

How does it work?

A PCR cabinet reduces the chance that stray DNA or RNA contaminates a reaction or that amplified product carries over into the next sample. Two mechanisms are used. A laminar flow PCR cabinet passes HEPA-filtered air across the work surface at 0.3–0.5 m/s, sweeping particles and aerosols away, and gives ISO 5 cleanliness at the work point. A dead-air or still-air workstation instead encloses the work but does not supply filtered air, relying on limited air exchange, UV irradiation and careful technique to reduce contamination. Both types usually include a 254 nm UV lamp for surface decontamination between sessions, and many include a timer and an interlock so that UV cannot run while the sash is open. Some models are ducted for vapour removal. Regular cleaning, separate pre- and post-PCR areas and dedicated equipment remain essential.

What are the key features?

• Vertical HEPA H14 supply at 0.3–0.5 m/s
• ISO 5 clean air over the work zone
• 254 nm UV lamp with timer and interlock
• Stainless steel interior
• Recirculating or ducted exhaust
• Pressure gauge and white or blue lighting

What are the technical specifications?

A typical vertical laminar flow pcr cabinet configuration offers type of Vertical laminar flow PCR cabinet, filter class of HEPA H14, ≥ 99.97 % at 0.3 µm, downflow velocity of 0.3–0.5 m/s, cleanliness of ISO 5 at work surface, UV lamp of 254 nm, timed and interlocked and width of 600–1200 mm. Values are indicative of the product class; the exact figures for each configuration are confirmed on the quotation and the calibration documents supplied with the instrument.

Which applications is it used for?

The Vertical Laminar Flow PCR Cabinet is used in low-copy template set-up, molecular diagnostics, nucleic acid preparation and research molecular biology. Across the wider PCR Cabinets class, laboratories also deploy it for PCR reaction set-up, nucleic acid extraction and handling and molecular diagnostics.

Which standards and certifications apply?

Relevant standards and methods include ISO 14644-1 (cleanroom classification), ISO 14644-3 (test methods), EN 1822 (HEPA and ULPA filters), IEST-RP-CC002 (unidirectional flow clean-air devices), ISO 15190 (medical laboratories, safety requirements) and IEC 61010-1. Certification candidates for this model are CE and ISO 9001 manufacturing; each is to be confirmed for the specific configuration before shipment, and certificates are supplied only where they have been issued.

Place the cabinet in the pre-PCR area for reaction set-up and keep a separate area for post-PCR work, using dedicated pipettes and consumables. Clean the work surface with a validated decontaminant before and after each session, and run the UV lamp for the set period, ensuring the sash interlock prevents exposure. Replace the UV lamp at the end of its rated life, since output falls before total failure, and check lamps with a meter if available. For HEPA models, verify filter integrity and face velocity at installation and at least annually, and change prefilters as specified. Do not use the cabinet for hazardous aerosols or chemical vapour, and keep airflow free of draughts by siting it away from doors.

How do I select the right Vertical Laminar Flow PCR Cabinet?

Choose a HEPA laminar flow PCR cabinet when a clean air supply over the samples is needed, such as for low-copy templates. Confirm filter class, interior size and exhaust option. RFQ: width, filter class, exhaust, UV timer and lighting.

How does it compare with other PCR Cabinets variants?

Choose a HEPA laminar flow PCR cabinet when the work needs a clean air zone over the samples, for example when preparing reactions from low-copy templates. Choose a dead-air or still-air workstation when the priority is physical isolation and UV decontamination rather than particle removal. Confirm that the UV lamp, timer and sash interlock suit the decontamination procedure, and that the internal height and footprint fit pipettes, racks and a small centrifuge. Decide whether the cabinet recirculates or is ducted, and whether a white light or blue light option is needed. For regulated diagnostics, check that the cabinet supports the workflow and cleaning validation, and verify filter performance where HEPA is fitted. Good laboratory layout with separate pre- and post-PCR zones matters as much as the cabinet itself.