IWG 22 Proposal to introduce some corrigendum to the approved document ECE/TRANS/WP.29/2019/25

IWG 22 report and background on the proposal for amendments in ECE/TRANS/WP.29/GRSP/2019/11

Consolidated update of UN R22 from the informal working group on protective helmets, including:

• Reference headforms (shape, dimensions)
• Oblique impact test method of measuring rotational acceleration
• Product of the spectral distribution of radiation of the signal light and standard illuminant D65
• High speed particle test for visors, and
• Test for photochromic, liquid crystal visors.