Filtered balance systems, XPert™

Supplier: Labconco
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135-2012EA 0 GBP
135-2012 LBCP3950222 LBCP3950321 LBCP3950521 LBCP3950401 135-2010 LBCP3950301 135-2013 LBCP3950622 LBCP3950322 135-2015 LBCP3950422 LBCP3950642 135-2014 LBCP3950522
Filtered balance systems, XPert™
Fume Hoods and Enclosures Extraction Cabinets
These portable systems provide user protection by keeping powders and particulates contained during weighing procedures. The built-in blower and HEPA filter are mounted in the upper plenum to save space, and the enclosures have low installation costs and require no outside ducting. Systems also provide quiet operation as low as 45 dBA, depending on face velocity.

  • The deep interior easily accommodates large micro and analytical balances
  • The Clean-Sweep™ airfoil allows air to sweep the work surface for maximum containment
  • The perforated rear baffle promotes horizontal laminar airflow to maximise containment
  • The upper containment sash foil bleeds air into the enclosure to direct concentrations of contaminants away from the operator’s breathing zone
  • The upper dilution air supply introduces room air at the top of the sash to dilute contaminants in the upper chamber and bathe the back of the sash with clean air
  • The airfoil’s ergonomic design provides a comfortable position for the operator’s forearms.

Systems feature a true bag-in/bag-out filter disposal system for safely removing and replacing the HEPA filter. The HEPA filter cell is 99,99% efficient on particulates 0,3 µm in size. An upper diffuser screen, located above the work area, provides protection for the HEPA filter. The system also features a front-mounted Minihelic® pressure gauge that monitors pressure differential across the HEPA filter to help determine filter loading. The built-in, positive pressure impeller is surrounded by a negative pressure plenum so that if a leak should develop, the unfiltered air is captured and refiltered. The blower also has vibration isolation supports to minimize disturbance to sensitive balances.

Sturdy glacier white and gray, dry powder epoxy-coated aluminium frame and steel rear plenum and baffle dissipate static charge. Tempered safety glass front sash, sides, and top offer excellent visibility, ambient light, and protection. Ergonomic angled sash allows a closer view, reduces glare, and provides a more comfortable operating position than vertical sashes. Hinged sash pivots upward and locks to a loading height of 48,7 cm. The 1,8 m model incorporates a gas-assist lift and have a loading height of 70,4 cm. The operating sash height is 23,9 cm on the 0,6 m, 0,9 m and 1,2 m models. The 1,8 m model has a 30,5 cm operating sash height. A wiping seal helps keep contaminants contained. Systems also include front-mounted light and blower switches, two utility ports, and glare-free fluorescent lighting.

Enclosures also feature an optional built-in airflow monitor. If the hood’s face velocity falls below the setpoint for more than six seconds, an audible alarm sounds and a red light glows. The alarm can be muted. On the Guardian™ monitor, an LED glows green when the airflow is within setpoint range. The Guardian™ 1000 digital monitor features an LCD display of actual face velocity and an RS232 port. Optional trace odour carbon filters can be easily installed atop the system to trap nuisance vapours from organic solvents, formaldehyde, ammonia, or amines. Stainless steel work surfaces feature a spill trough. The utility shelf kit has three epoxy-coated steel shelves that can hold a printer, utensils, and other miscellaneous supplies. Shelves attach to the rear baffle perforations of the enclosure.

Certifications: All systems conform to modified ASHRAE 110-1995 standards, SEFA 1-2002 standards, and ANSI Z9.5-1-993 standards. Also CE marked.

Ordering information: Items designated below as REDISHIP can be shipped within 48 hours of receiving your order. All systems require a work surface and supporting base. The 1,8 m models with 90,2 cm exterior depth include a left side-mounted waste chute that accepts bags 25,4×40,6 cm and larger. Systems do not include a plug. Trace odour carbon filters are also available; contact your local VWR® sales office for more information.
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