ASTM-F1863 Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmissivity of Transparent Parts

ASTM-F1863 - 2016 EDITION - CURRENT
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Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmissivity of Transparent Parts
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Scope

1.1 This test method covers apparatuses and procedures that are suitable for measuring the NVG-weighted transmissivity of transparent parts including those that are large, thick, curved, or already installed. This test method is sensitive to transparencies that vary in transmissivity as a function of wavelength.

1.2 Since the transmissivity (or transmission coefficient) is a ratio of two radiance values, it has no units. The units of radiance recorded in the intermediate steps of this test method are not critical; any recognized units of radiance (for example, watts/m2-str) may be used, as long as it is consistent.2

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

canopy; night vision goggles; transmissivity; transparency; windscreen ;; ICS Number Code 37.020 (Optical equipment)

To find similar documents by ASTM Volume:

15.03 (Space Simulation; Aerospace and Aircraft; Composite Materials)

To find similar documents by classification:

37.020 (Optical equipment Including microscopes, telescopes, binoculars, optical materials, optical components and optical systems Ophthalmic equipment, see 11.040.70 Optical measuring instruments, see 17.180.30 Photographic equipment lenses, see 37.040.10)

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Document Number

ASTM-F1863-16

Revision Level

2016 EDITION

Status

Current

Modification Type

Revision

Publication Date

April 1, 2016

Document Type

Test Method

Page Count

6 pages

Committee Number

F07.08