Item Type: ColorimeterModel: LS173BMaterial: ABSBattery: 1 x Rechargeable lithium battery 3.7V 4000mAh, a single full charge can continuously measure 10,000 times (Battery Included)Application: Chroma sampling, color difference detection and comparisonIllumination Mode: D/8, including specular reflection light (SCI)Lighting Source: full spectrum LED light sourceMeasuring Caliber: Approx. 8mm / 0.3inMeasurement Conditions: Light source D65, field of view 10°Measuring Time: About 1sColor Space: CIE Lab. Luv. LCh, Yxy. , RGB, HexColor Difference Formulas: △E x ab, △Euv, △E x 94, △E x cmc (2:1), △E x cmc (1:1)△E x 00Repeatability: Sandard deviation △E x ab, within 0.03 (measurement condition: after warm up correction, the average value of 30 measurements on the white board at an interval of 3s)Display: 480 x 320 dot PS color screen (3.5 inch capacitive touch screen)System Language: Simplified Chinese, EnglishCharging Interface: USB (Type C)Data Interface: USB, Operating Temperature Range: 0-45°C, 0~85%RH (non condensing)Storage Temperature Range: -25~55℃, 0~85%RH (no condensation)Color Threshold: Can be setCompensation Optical Paths: Built inStorage Space: Color x 1000 color difference contrast x 1000Data Sharing: APPHow To Use:Instrument Operation1. Power on/offPower on: In the power off state, short press the key to power on, and the indicator light flashes after power onShut down: Long press the button on the instrument to shut down; when the phone is not connected to , it will automatically shut down after 3 minutes of no operation; when the phone is connected to , it will automatically shut down after 30 minutes of no operation2. Equipment calibrationAfter entering the equipment calibration interface. The user can perform the calibration operation according to the calibration animation prompt, or skip the calibration. When the