Measurement Principle: Port up or Port forward dual-beam spectrophotometer

Geometry: Directional annular 45° illumination / 0° viewing

Spectrophotometer: Sealed optics; 256-element diode array and a high resolution concave holographic grating
Port Diameter/View Diameter: 31.8 mm (1.25 in) illuminated/ 25.4 mm (1 in) measured
Specular Component: Excluded
Spectral Range: 400 nm - 700 nm
Spectral Resolution: < 3 nm
Effective Bandwidth: 10 nm equivalent triangular
Reporting Interval: 10 nm
Photometric Range: 0 to 150 %
Light Source: Pulsed Xenon Lamp
Flashes per Measurement: 1 flash
Lamp Life: > 1 million flashes
Measurement Time: < 1 second from button push to measurement 2 seconds from button push to data display
Minimum Interval Between Measurements: 3 seconds
Standards Conformance: CIE 15:2004, ISO 7724/1, ASTM E1164, DIN 5033, Teil 7 and JIS Z 8722 Condition C
Standards Traceability: Instrument standard assignment in accordance with National Institute of Standards and Technology (NIST) following practices described in CIE Publication 44 and ASTM E259