Powder Weighing Balance Enclosure Esco Powdermax™ 1 Powder Weighing Balance Enclosure Model PW1-3A_ Introduction Laboratory operations involving weighing, mixing and dispensing hazardous powders can now be performed safely and economically with the Esco Powdermax™ 1 Powder Weighing Balance Enclosure. The enclosure’s unique design maintains balance stability to 4 decimal places without compromising containment. • Electronic ballast for the fluorescent lighting provides zeroflicker with increased energy efficiency, reliability and service life with a lower heat output. Designed specifically for powder containment applications, the Powdermax Enclosure employs carefully directed inward airflow at the face of the enclosure to protect the operator from exposure to hazardous powders or potent pharmaceutical compounds. The aerodynamically designed enclosure reduces airflow turbulence for maximum containment while minimizing the effect that air drafts may have on sensitive weighing balances. The enclosure design exceeds the containment requirements of ANSI/ASHRAE 110 as proven by independent type testing. All exhaust air is HEPA-filtered, removing virtually all particulate matter, before recirculation to the laboratory. • The spacious interior dimensions will easily accommodate large analytical balances. • Two electrical pass throughs on the back wall of the unit provide convenient access to power sources for equipment. Enhanced Filtration System The enclosure’s unique filtration system ensures the highest level of protection for the operator. • The Powdermax™ provides enhanced safety to laboratory personnel by drawing air across the front opening in the hood at a controlled rate, preventing the escape of powders and particulate matters into the general laboratory environment. Designed for Enhanced Usability and Efficiency • A unique filter mounting system eliminates bypass leaks inherent in conventional clamping systems. The Powdermax™ is designed specifically to provide the operator with a high level of usability, comfort and visibility. • The Powdermax™ is equipped with a generously sized HEPA filter system, rated at >99.99% efficiency for 0.3 micron sized particles. • A 13-degree sloped front allows easy access to the work zone, eliminating operator fatigue and increasing productivity. • Transparent 6 mm (0.2”) frameless acrylic front and sides enhance visibility and operator comfort during longer periods of operation. The self-supporting pre-tensioned hinges on the front window provide easy access during loading and start-up. • Ergonomically designed apertures for hands simultaneously provide maximum movement within the work zone while protecting the operator. The curved front edge minimizes airflow turbulence and improves user comfort. • The aerodynamically designed system constructed of 1.2 mm (18 gauge) epoxy powder-coated electrogalvanized steel delivers maximum containment by ensuring airflow uniformity throughout the work chamber of the cabinet. • Since HEPA-filtered air is recirculated to the laboratory, the enclosure does not have to be connected to an extraction/ exhaust system, resulting in low operating costs and mobility. User-Friendly Control System The user-friendly Esco SentinelTM Silver microprocessor based control system is fully configurable according to operator’s requirements and comes equipped with a number of enhanced fe

Filtration System Blower Exhaust HEPA Filter Unfiltered / potentially contaminated air Inflow air Room air is drawn in across the front of the The state-of-the-art baffle system ensures airflow uniformity throughout the cabinet's main chamber. Air is drawn up through the cabinet's work zone and forced through the HEPA filter (>99.99% typical efficiency for 0.3 micron sized particles). The HEPA filtered air then returns to the laboratory stripped of all airborne contaminants or is vented through the optional exhaust collar to exhaust ducting for enhanced safety. residual contaminants before deactivation....

General Specifications, Powder Weighing Balance Enclosure 220-240 VAC, 50 Hz Internal Work Area, Dimensions (W x D x H) Nominal Size Standard Filtration Elements Main Filter HEPA filter, typical efficiency of >99.99% at 0.3 microns, removes particles and aerosols Control System Sentinel™ Silver Microprocessor Controller Initial setpoint: average of 0.5 m/s (100 fpm) Sound Emission <55 dBA at initial blower speed setting measured at typical operator work position Main Body 1.2 mm (0.05") 18 gauge electrogalvanized steel with white oven-baked epoxy-polyester Isocide™ antimicrobial powder coated...

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