Optical System

Object lens: f=82mm F2.5

Wavelength dispersive element

Planar diffraction grating

Photodetector

Linear array sensor

Acceptance angle

  2°/ 1°/ 0.2°/ 0.1°

Measuring wavelength range

380 - 780nm

Spectral wavelength width

5nm (half-width value)

Wavelength resolution

1nm

Wavelength accuracy

±0.3nm @ mercury emission lines

Measurement mode

Auto / Manual, external synchronizing signal 

Minimum display value

0.001cd/m²

Measurement units

Spectral radiance (W.sr^-1.m^-2.nm^-1)

Computed values

Radiance, luminance, CIE 1931 x,y, CIE 1976 u',v', XYZ tristimulus, CCT (abs and diff) 

Accuracy

Luminance ±2%  
Chromaticity (x,y) ±0.002

Repeatability

Luminance ±0.3%  
Chromaticity (x,y) ±0.0005

Polarized light uncertainty

 <= 5%

Measurement time

1 to 31 seconds

PC Interface

RS-232C Baud rate 4800 / 9600 / 19200 / 38400

Power supply

Dedicated AC adaptor 100-240Vac 50/60Hz, 12Vdc 30W output

Operating conditions

5°C to 35°C, 85% humidity non-condensing

External dimensions

Approx 406 x 143 x 237mm

Mass

5.5kg