... 1.0lx-200Klx 2. Illumination Meter 3. Portable PHOTO-100 Portable Pocket Illuminance Meter Specification:This Pocket Illuminance ... colorimeter employs the digital X(λ ),Y( λ ),Z( λ ) sensors and the digital signal measurement system. This photoelectric colorimeter is ... consumption, small volume, stable performance and convenience operation.PHOTO-100L: Pocket brightness meter, measuring range: 20cd/m2 ...