This highly accurate illuminance meter is an essential tool for professionals across various industries, offering precision in measuring brightness, color temperature, and color rendering index (CRIndex, SK-8202 only). Choose the SK-8201 for basic illumination and color temperature measurements, or upgrade to the SK-8202 for added CRIndex analysis to suit your specific needs. With a measurement range from 0.5 to 300,000 LUX, these meters are perfect for assessing multiple light sources, such as desk lamps, LED lights, and sunlight, making them ideal for use in settings like hotels, classrooms, hospitals, and homes. Features Versatile & Multi-Functional Design: Unmatched accuracy in brightness, color temperature, and CRIndex measurement. Model Options: Choose between SK-8201 for basic measurements and SK-8202 for enhanced CRIndex analysis. High Accuracy & User-Friendly: Quick samples in 4 seconds with a digital probe, clear operation buttons, and display for easy readability. Enhanced Usability: Features such as data HOLD function, LUX/FC switch, and auto shutdown for convenient and energy-efficient use. Wide Applications: Suitable for measuring both indoor and outdoor light sources in diverse environments. Specifications Name: Illuminance Meter Material: Plastic Model: SK-8201, SK-8202 (optional) Battery: 2 x 1.5V AAA (not included) Illuminance Range: 0.5 - 300,000 LUX Maximum Display: 99,999 Resolution: Below 10,000: 0.1; Above 10,000: 1 Illumination Accuracy: ±(4%+10) Repeat Test: ±2% Color Temperature CCT: 2500K - 8000K (±5%) CRIndex (SK-8202 only): 20-100Pa(±2) Temperature Range: 0-45℃ (±2℃) Sampling Rate: 4 times/second Angle of Incidence: 100 degrees Spectral Range: 400nm-700nm Environment: -10℃ to 50℃, max 80% RH, altitude below 2000m Dimensions: 100 x 55 x 26mm / 3.94 x 2.17 x 1.02in Weight: 70g / 2.47 ounces Package Size: 150 x 100 x 50mm / 5.91 x 3.94 x 1.97in Package Weight: 90g / 3.17 ounces Packing List 1 x Illuminance Meter