PCE-CRM 40 is a portable handheld chroma meter or spectrophotometer used to accurately measure the correlated color temperature (CCT - in Kelvin), illuminance, chromaticity, excitation purity (Pe), luminous flux (in lumens - lm), RGB and dominant wavelength of light sources such as LED, organic LED (OLED) and other forms of organic electroluminescence (EL).
- Measuring range: 0.1 ... 150,000 lux / 0.01 ... 15,000 foot-candle
- Spectral wavelength range: 360 ... 780 nm
- Display: 3.2" colour LCD
- Chromaticity: Ev xy, Ev u'v'