# The Dual-Use and Related Goods (Export Control) Regulations 1995, Paragraph 177: DEFINITIONS OF TERMS IN THIS ANNEX


“Time constant” (6) is the time taken from the application of a light stimulus for the current increment to reach a value of 1-1/e times the final value (i.e., 63% of the final value).

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Source: https://www.legislation.gov.uk/uksi/1995/271/schedule/1/paragraph/177 (the official version)
Page: https://openlegislation.uk/dual-use-and-related-goods-export-control-regulations-1995/schedule-1/paragraph-177
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.