Visible Light Transmittance Filter Reference Material GBW(E)130123

Nominal Transmittance Values: 10%, 20%, 30%
Calibration Wavelengths: 440.0nm, 546.0nm, 635.0nm
Transmittance Uncertainty: 0.5%
Set Composition: 3 pieces per set
Used for verifying the wavelength accuracy and repeatability of spectrophotometers in the ultraviolet-visible light region, compatible with verification regulations JJG682-90, JJG689-90, JJG178-96, and JJG375-96.
Applied to check the transmittance accuracy, repeatability, and linearity of ultraviolet-visible spectrophotometers and visible spectrophotometers in the visible light range, respectively used with verification regulations such as JJG178-96, JJG375-96, JJG682-90, and JJG689-90.