LINSHANG Spectrophotometer Detector Color Difference Meter Tester Accurate Portable Colorimeter LS176B 3.5in Item Type: Spectrophotometer Lighting Method: D/8, including specular light (SCI) Lighting Source: Full spectrum LED light source Wavelength Range: 400-700nm Wavelength Interval: 10nm Measuring Diameter: Approx. 8mm / 0.31in Measurement Conditions: Light source D65, field of view 10° Measurement Time: About 1s Color Space: Luv, LCh, Yxy, CMYK, RGB, Hex, Yellowness 98, Whiteness 98, Whiteness Gauz, Whiteness Hunter, Spectral Reflectance Color Difference Formula: ΔExAb, ΔExuv, ΔEx94, ΔExcmc(2: 1), ΔExCmc(1: 1), ΔEx00 Repeatability: Standard deviation △Exab, within 0.03(measurement conditions: after warm up correction, measure the average value of the white board 30 times at intervals of 3s) Difference Between Sets: △Exab<=0.4 (measured average of 12 color bricks of BCRA II series) Product Size: Approx. 179 x 64.5 x 93mm / 7.05 x 2.54 x 3.66in Battery Power: 1 x 3.7V rechargeable lithium battery 4000mAh, 10,000 continuous measurements with a single full charge Display: 480x320 dot matrix IPS color screen System Language: Simplified Chinese, English Charging Interface: USB (Type C) Data Interface: USB, Bluetooth Operating Temperature Range: 0~45℃, 0~85%RH (non condensing) Storage Temperature Range: -25~55℃, 0~85%RH (non condensing)