PowderSafe™ Type B Enclosure

PowderSafe™ Type B Enclosure PowderSafe™ Type B Enclosure PowderSafe™ Type B Enclosure
PowderSafe Type B

Effectively weigh powders to seven decimal places

Featuring the AirSafe® Automatic Safety Controller

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Application Worksheet

Seamless polypropylene construction provides the mass and vibration resistance crucial for accurate powder weighing, while the AirSafe™ automatic safety controller monitors airflow and filter conditions. The full rear-wall HEPA filtration zone moves powders and particulate away from the operator in a smooth horizontal laminar pattern. HEPASafe™ technology allows filters to be safely and easily bagged-out under negative pressure.

AirSafe automatic safety controller
No ductwork required
No installation required - plugs directly into a standard 110V or 220V electrical outlet
Integral vapor-proof fluorescent lighting
Constant monitoring of fume hood face velocity with variable airflow control to user preset value
Effectively weigh to 7 decimal places
Permanent backup HEPA filter
Horizontal laminar airflow pattern
Lab event timer
Filter safety lockout to ensure correct filter replacement
Exhaust air is HEPA filtered, keeping any potential particulate from returning to the room
Shipped fully assembled
Tested to UL 61010-1 and CSA C22.2 No. 61010-1
Brushless, sparkless blower is post-filter
Filter and electronics are located above the workspace, eliminating the chance of a chemical spill entering these sensitive areas
Low airflow alarm warns the user both visually and audibly
Real time monitoring of installed filtration bed
HEPASafe technology allows safe HEPA filter change while enclosure is operational
Sturdy stand with leveling feet
ULPA filter
Contrasting base color
Waste port for weighing vessels
Polypropylene base cabinet
Product # External
Width Depth Height
AC730C 32" 30" 33"
AC740C 48" 30" 33"
Product # Internal
AC730C 31" 21" 18"
AC740C 47" 22" 18"

How it Works

  • A

    Turbulence-free laminar flow room air enters enclosure.

  • B

    Air is drawn in an even horizontal laminar fashion toward the rear plenum of the enclosure while being mixed with contaminated air.

  • C

    Contaminated air enters a pre-filter and then the primary HEPA filter.

  • D

    Air cleaned by the primary HEPA filter enters the permanent safety HEPA filter.

  • E

    Clean air is recirculated into the room.

Air Flow Diagram

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