... • Sensitivity: 0.001 lx, Repeatability: 0.001 lx2. Color Coordinate x, y, u, v, u', v' measurement (test condition: vertical ... illuminance > 5lx): • x, y: ±0.002 (CIE Standard Source A, 500lx)• Repeatability: ±0 ... for illuminance, correlated color temperature etc. for incandescent lamp, halogen lamp, CFL, HID, LED, LCD screen Digital Lux Meter