Article-No.:  667EP1001

for wavelength range: 240 - 640 nm and absorbance range: 0.25 - 1.0 Abs

ApplicationContentCertified wavelength in nmChecking the photometric accuracy in UV-rangeUV506, 6 mg/l Niacin in HCl, (0.25 Abs)
UV512, 12 mg/l Niacin in HCl, (0.5 Abs)
UV524, 24 mg/l Niacin in HCl, (1.0 Abs)
UV599, Hydrochloric acid (HCl, reference filter)213, 261
 Checking the photometric accuracy in the Vis-rangeF2, Neutral Density Glass filter with 0.25 Abs
F3,  Neutral Density Glass filter with 0.5 Abs
F4,  Neutral Density Glass filter with 1.0 Abs440, 465, 546.1, 590, 635Checking the wavelength accuracyUV5, Holmium oxide in HClO4
UV14, Perchloric acid (HCl, reference filter)241, 287, 361, 451, 485, 536, 640Checking
stray lightUV11, Sodium Nitrite in H₂O
UV12, Pure water (H₂O, reference filter)
Absorbance ≥ 3.0 Abs at 340 nm and 370 nmCut-off: 388Checking the
spectral resolutionUV6, Toluene in Hexane
UV9, Hexane (reference filter)Scan: 265 - 270
Slit widths: 0.5, 1.0, 1.5, 2.0, 3.0

Article-No.:  667EP1002

for wavelength range: 240 - 400 nm and absorbance range: 0.25 - 1.0 Abs