| Model | Illuminance Spectrophotometer CL-500A | 
| Illuminance meter class | Conforms to requirements for Class AA of JIS C 1609-1: 2006 "Illuminance meters Part 1: General measuring instruments"*¹ Conforms to DIN 5032 Part 7 Class B | 
| Spectral wavelength range | 360 - 780 nm | 
| Output wavelength pitch | 1 nm | 
| Spectral bandwith | Approx. 10 nm (half bandwith) | 
| Wavelength precision | ±0,3 nm (Median Wavelength of 435,8 nm, 546,1 nm and 585,3 nm∗² as specified in JIS Z 8724)∗³ | 
| Measuring range | 0,1 to 100.000 Lux (chromaticity display requires 5 lx or more) | 
| Accuracy*⁴’⁵ (Standard Illuminant A) | Ev (illuminance): ±2%; ±1 digit of displayed value xy: ±0,0015 (10 to 100.000 lx) xy: ±0,002 (5 to 10 lx) | 
| Repeatability (2σ) (Standard illuminant A) | Ev: 0,5%; ±1 digit xy: 0.005 (500 to 100.000 lx) xy: 0.001 (100 to 500 lx) xy: 0.002 (30 to 100 lx) xy: 0.004 (5 to 30 lx) | 
| Relative spectral response characteristic (f1) | Within 1,5% of spectral luminous V (λ) | 
| Cosine response (f2) | Ev: Within 3% | 
| Temperature drift (fT) | Ev: ±3% of displayed value xy: ±0,003 | 
| Humidity drift (fH) | Ev: ±3% of displayed value xy: ±0,003 | 
| Measurement time | Super Fast mode: approx. 0.2 sec (when connected to computer); Fast mode: approx. 0,5 sec; Slow mode: approx. 2,5 sec; Automatic exposure time setting (high accuracy) mode: approx. 0,5 bis 27 sec. | 
| Display modes | XYZ; X₁₀Y₁₀Z₁₀; Evxy; Evu'v'; Ev; Dominant wavelength, Excitation purity; Correlated color temperature, Δuv; General color rendering index(Ra);Special color-rendering indexes (Ri(i=1∼15)); Spectral graph; Peak wavelength; Δ(XYZ); Δ(X₁₀Y₁₀Z₁₀);Δ(Evu'v'), Rank display | 
| Display | LCD | 
| Data Memory | 100 data | 
| Other functions | User calibration function (when connected to computer); Continous measurement (when connected to computer); Auto off function | 
| Languages | English, Japanese, Chinese (simplified) | 
| Interface | USB 2.0 | 
| Power | Rechargable internal lithium-ion battery (Operating time per charge: Approx. 6 hours when new); AC adapter; USB power bus | 
| Operating temperature/humidity range | -10°C to 40°C, relative humidity of 85% or less (at 35°C) with no condensation | 
| Storage temperature/humidity range | -10°C to 45°C, relative humidity of 85% or less (at 35°C) with no condensation | 
| Dimensions (W x D x H) | 70 x 165 x 83 mm | 
| Weight | 350 g |