• UV-A, UV-B and UV-C light
• radiation: 0.1 ... 500000 µW/cm²
• accuracy: ±0.01 µW/cm²
• wavelength: 200 ... 400 nm
• colour coordinates and spectral distributions
• spectral resolution: ±0.2 nm
• reproducibility: ±0.5 nm
• accuracy of colour coordinates (Δx, Δy): ±0.005
• 8 GB data memory with export function
• 5-inch touch screen

• colour rendering index (CRI)
• colour coordinates and spectral distributions
• correlated colour temperature CCT: 1500 ... 100000 K
• illuminance range: 0.1 ... 500000 lx
• spectral resolution: ± 0.2 nm
• reproducibility: ± 0.5 nm
• accuracy of chromaticity coordinate (Δx, Δy): ±0.005
• 8 GB data memory with export function
• 5-inch touch screen
• wavelength range: 350 ... 800 nm
• PAR, PPFD, YPFD
• Blue-Purple Irradiance (Eb)

• colour rendering index (CRI)
• colour coordinates and spectral distributions
• correlated colour temperature CCT: 1500 ... 100000 K
• illuminance range: 0.1 ... 500000 lx
• spectral resolution: ± 0.2 nm
• reproducibility: ± 0.5 nm
• accuracy of chromaticity coordinate (Δx, Δy): ±0.005
• 8 GB data memory with export function
• 5-inch touch screen
• wavelength range: 380 ... 780 nm

PCE-CRM 40 is a portable handheld lux meter 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'