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Voltage Frame Material Model Filter Type Inside Width Inside Depth Inside HeightPriceUsually Ships inStocked
120 V304 Stainless SteelWet Processing StationHEPA97"28"74" $4,87920-30 Days
120 V304 Stainless SteelWet Processing StationRSR57"32"67" $22,118
240 VPowder-Coated SteelWet Processing StationRSR45"32"67" $11,895

Summary

  • Vertical laminar flow stations with cut-outs in the rear panel for connection to an external exhaust system
  • Designed to be positioned over a Wet Processing Bench
  • Touchscreen control panel adjusts fan speed and operates the optional motorized shield
  • Integrated base stand (work surface sold separately)
  • Includes EC fan/filter unit (filter ships separate)
  • Transparent, static-dissipative shield and side panels
  • Status indicator light flashes when blower is not operating

Specifications

Helena

Marks & Listings: UL, ULC

Hoods for Wet Processing

  • HEPA Filtration for Particle-Free Airflow HEPA Filtration for Particle-Free Airflow
  • Vertical Laminar Flow Station with Vibration Isolated Work Surface Isolated Work Surface Enhances High Magnification Viewing
  • High-Clearance, Wide-Access Vertical Laminar Flow Hoods ValuLine™ Vertical Laminar Flow Stations
  • PLC Touchscreen Controls on Vertical Laminar Flow Hood PLC Touchscreen Panel on Vertical Laminar Flow Hood
  • Vertical Laminar Flow Tilt-Up Shield Tilt-Up Shield

Features and Benefits

Long Running FFU Motors

Terra’s filter fan unit motors are rated for 5 years of continuous, 24/7 operation, if the HEPA filters are consistently replaced. To accurately monitor your HEPA filter’s saturation levels, purchase Terra’s audible and visual filter replacement alarm system.

Recessed Lighting and Optional UV-C Sterilization

Included recessed light fixture simplifies cleaning and minimizes airflow disruptions (shown next to optional UV sterilization bulb).

Touchscreen Control Panel

PLC control panel provides control of fan speed, lights, and motorized shield; digital gauge monitors backpressure and issues alerts when filter(s) need replacement

Room-Side Replaceable HEPA Filter

To simplify filter replacement, HEPA filters can be removed and replaced while the FFU remains installed; the gel-sealed filter seats securely against the "knife-edge" on the blower housing to form a tight seal.

Vertical Flow of HEPA-Filtered Air Meets ISO 5 Particle Requirements

Side panels and access shield optimize unidirectional flow of HEPA-filtered air; advanced baffling technology ensures uniform face velocity to meet ISO 5 particle requirements.

Motorized Access Shield

Motorized access shield, included on select models, enhances laminar flow and protects operator from chemical fumes and other environmental nuisances.

Integrated Stands Isolates Hood from Work Surface

Built-in stand with dissipative PVC side panels allows VLF Stations to be positioned over any table or processing equipment without transferring hood vibration to work surface (shown integrated with optional modular wet station).

Clean and Durable Powder Coat Finish

Terra’s signature white powder coat finish provides a high quality, durable barrier to protect against corrosion, plus a clean and attractive aesthetic. The advanced heat-fused formulation exceeds ASTM and ISO paint standards to resist chipping, scratching, fading, and wearing.

WhisperFlow Quiet Operation Reduces Distracting Background Noise

Exposure to loud noises can lower the ability to focus on work and listen selectively, which may also lead to safety issues. Typical AC units can be annoyingly loud, measuring in the range of 70 dB (comparable to a vacuum cleaner). Terra’s WhisperFlow design produces far lower noise levels for a quiet environment comparable to a library. At 90 ft/min output, units measure under 50 dB from only 1 ft away (roughly 75% quieter than 70dB).

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. Our product quality is enabled by high-grade manufacturing equipment and processes, 45 years of engineering and application expertise, and our commitment to continuously improve.

Long-Term Customers

Terra is committed to building long-term relationships with satisfied clients; 94% of orders each year come from repeat customers

4,000 Worldwide Cleanrooms

Since 1976, Terra has designed and manufactured over 4,000 cleanrooms for companies at the leading edge of high technology
Popular Accessories
For a full list of accessories, select a product then click Choose Accessories on that product page.
  • UV Germicidal Lamp

    The V-Ray germicidal UV lamp is installed within a Terra hood to inhibit microbial growth on the work surface
  • Static-Neutralizing Ionizing Bar

    Airflow from the blower distributes positive and negative ions onto the surfaces below, neutralizing static charges that can lead to electro-static discharge and attract particles.
  • HEPA Filters Capture Micro-Contaminants

    HEPA (High-Efficiency Particulate Air) Filters rated 99.99% efficient with particles 0.3 microns and larger in diameter.
  • Lighthouse Handheld Airborne Particle Counters

    Lightouse portfolio of handheld airborne particle counters ensure accurate readings of cleanrooms and critical environments
  • Isolated Work Surfaces in Many Materials

    Tables in many styles and materials, including dissipative laminate, chemical-resistant polypropyene and epoxy resin, are isolated from hood to reduce vibration (shown: solid stainless steel top with adjustable powder-coated legs).
  • Work Station Drawers

    Available in ABS plastic or stainless steel, these cleanroom-compatible drawers come in a number of sizes and drawer configurations (6” top drawer and 6” bottom drawer shown).
  • Explosion-Proof Fan Filter Unit for Hood

    UL-listed, NEC Class I, Division 1 Explosion Proof fan/filter unit provides HEPA filtration where solvent vapors, dust and other flammable hazards are present; all conduit and switches also meet explosion-proof requirements.
  • Explosion-Proof 40W LED Light

    UL-listed for Class I, Division 1 and 2, Groups C and D areas, this low profile LED light produces 3,600 lumens and operates from 120 to 277VAC, 50/60Hz. The heat-dissipating housing increases the efficiency and lifespan of the LEDs.
  • Explosion-Proof Power Switches

    UL-rated explosion-proof switches are connected to the lights and blowers using specialized conduit with potted fittings. All electrical components are sealed to eliminate potential ignition points.
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