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See Chinese contents: JJG 178-2007 JJG 178-2007: Verification Regulation of Ultraviolet, Visible, Near-Infrared Spectrophotometers
This regulation is applicable to the initial verification, subsequent verification and in-use inspection of visible, ultraviolet-visible, ultraviolet-visible-near-infrared spectrophotometers with wavelengths ranging from 190nm to 2600nm and with continuously adjustable wavelengths.
