ASTM F1863-16 PDF

Scope: 5.1 Significance—This test method provides a means to measure the compatibility of a given transparency through which NVGs are used at night to view outside, nighttime ambient illuminated natural scenes.

5.2 Use—This test method may be used on any transparent part, including sample coupons. It is primarily intended for use on large, curved, or thick parts that may already be installed (for example, windscreens on aircraft).

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.

ASTM F1863-16 Referenced Document

ASTM D1003 Standard Test Method for Haze and Luminous Transmittance of Transparent Plastics
ASTM E177 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
ASTM E691 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM F1316 Standard Test Method for Measuring the Transmissivity of Transparent Parts

2021 ASTM F1863-16(2021) Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmissivity of Transparent Parts
2016 ASTM F1863-16 Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmissivity of Transparent Parts
2010 ASTM F1863-10 Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmisivity of Transparent Parts
1998 ASTM F1863-98(2004) Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmisivity of Transparent Parts
1999 ASTM F1863-98 Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmisivity of Transparent Parts