Monthly Archives: May 2016

  1. How to Automatically Control Vacuum in Test Chambers

    How to Automatically Control Vacuum in Test Chambers

    Vacuum Overview

    “Vacuum” means the complete absence of matter. In order to create vacuum conditions, pressure within a given space must be lower than the surrounding environment. The quality of the vacuum is dependent upon several factors, including the number of particles within a given space. The inertia of moving particles exerts pressure, so fewer particles means lower pressure. Scientists have given up on the idea that a perfect vacuum is even possible; space is the most ideal vacuum we know of, but hydrogen atoms, energy waves and other moving particles are still present.

     

    Vacuum Chambers

    Imperfect as they are, we create vacuums for various applications and processes: sealed chambers that help researchers and manufacturers with tasks including leak testing, stress testing, degassing, drying, distillation, permeability testing, coating, specific gravity d

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  2. BioSafe® Cleanroom Ladders are Steel Workhorses

    BioSafe® Cleanroom Ladders are Steel Workhorses

    Seems like a cleanroom is no place for a ladder: a dirty, dusty, paint-smeared structure used by the contractor who does the termite repair on your house. But in fact, cleanrooms are perfectly-suited to ladders, if they are Terra’s BioSafe brand. Cleanroom and lab ladders are used to access out-of-reach filters, lighting, or equipment. For example, taking particle measurements and airflow readings below the filter face in preparation for an ISO inspection may require a ladder. And what about changing light bulbs and making small repairs? Terra’s shelf platform can be attached to ladders, providing a convenient surface for tools and small instruments.

    Ladder_foldingBioSafe folding cleanroom ladders have a number of unique features that make them

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  3. Explosion-Proof Cleanroom for High-Risk Applications

    Explosion-Proof Cleanroom for High-Risk Applications

    Flammable gasses and vapors possess the potential to cause devastating damage to personnel, property and the environment. To minimize this danger, organizations including Occupational Safety and Health Administration (OSHA) and the National Fire Protection Association (NFPA) develop standards, such as the National Electric Code (NEC), by which many industries operate. Explosions still occur, but damage can be minimized by using documented protocol for managing them. Companies involved with pharmaceutical development and manufacturing, fuel, chemical manufacturing, food manufacturing, aviation, and other high-risk applications have to abide by these established safety practices.

     

    In each group of flammable-material type (gas/vapor, powder or fiber) the NEC categorizes risky environments based on this basic formula: material’s duration of use + its flammability potential = likelihood for fire.  Equipment is designed

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