Colour and Light Measurement Solutions

CL-70F CRI Illuminance Meter

CL-70F  CRI Illuminance Meter
Konica Minolta


  • Easy to use & easy-to-read display
  • 180⁰ rotating receptor head
  • Dark calibration can be performed without needing a cap
  • Measurement of flash lights
  • Measurement data of chromaticity, dominant wavelength & excitation purity
  • Wide measuring range
  • Conforms to JIS A Class and DIN Class C
  • Includes utility software CL-SU1w



  • CL-70F CRI Illuminace Meter is used for the measurement and evaluation of the illuminance, colour rendering index (CRI), color temperarure of various illumination sources such as fluorescent lamps and LEDs.


Sensor CMOS linear image sensor
Spectral wavelength range :  380 to 780 nm
Output wavelength pitch 1 nm
Measuring range Constant light: 1 to 200,000 lx; 1,563 to 100,000 K
(Chromaticity display requires 5 lx or more)
Flash light: 20 to 20,500 lx・s; 2,500 to 100,000 K
Color indication modes Correlated color temperature Tcp, Difference from blackbody
Δ uv, XYZ, xy, u'v', Dominant wavelength λ d, Excitation purity
Pe, Spectral irradiance, Ev, CRI (Ra, Ri), Peak wavelength
λ p, exposure value
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