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BSI 21/30436443 DC:2021 Edition

BSI 21/30436443 DC:2021 Edition

$13.70

BS EN 16589-1. Laboratory local exhaust devices – Part 1. Articulated extraction arm

Published By Publication Date Number of Pages
BSI 2021 31
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This document applies to an articulated extraction arm used as a local exhaust device in laboratories and comprised of a specific capture device (receiving, enclosing or capture hood, nozzle or flat screen) connected to a specific extraction arm which is articulated ducting to move air from the capture device to discharge.

This document specifies:

  1. a method for type testing;

  2. a method to assess the three-dimensional capture zone of local exhaust devices mounted on an articulated extract arm;

  3. a method for assessing the isothermal and low energy emission release capture efficiency of local exhaust devices connected to an articulated extract arm and its robustness to a challenge of air disturbance directly in front of and in close proximity to the capture hood and release source positioned on a table;

  4. a method for establishing the reachable, three-dimensional workspace of local exhaust devices mounted on an articulated extract arm by measuring the possible positions of the opening of the device;

  5. a method for measuring the pressure drop and noise level in the type test and at onsite commissioning;

  6. instructions for marking the device and recommended information to transfer to users in the product manual;

  7. guidance for use describing the limitations of local exhaust devices with articulated extract arm for different airflow rates establishing the capture zone;

  8. guidance on selection, installation, commissioning, and testing of articulated extract arms and their local exhaust ventilation systems.

The standard covers only product performance test methods. Occupational health and safety assessments methods are not included in this standard.

Point sources with initial velocity due to temperature, pressure release, work process or similar are not covered by this standard.

The scope does not include filtration requirements and impact of fully or partly recirculated airflow extracted by an articulated extract arm.

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BSI 21/30436443 DC
$13.70