Digital Ratio Color Meter 45 Degree Lighting 0 Degree Measurement Description This meter is a very compact and very easy to use tri-stimulating color meter designed specifically to measure color differences between two colors. This meter is designed to measure unilluminated and non-fluorescent samples such as fiber, paper, leather, paint, etc. This meter is a tool that is useful for quality control and a wide range of industrial applications (LxWx), a*ab, C*ab, H*ab, , , , H , H , H , H , , H , H , , , , , , , H , , , , , , , H x ab, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , y), (X, Y, Z), (Rs, Gs, Bs) or (WI, YI, Tw)* Display Color Space (L, a*, b*), (L, C*ab, hab), (Y, x, Y, Z), (Rs, Gs, Bs) or (WI, YI, Tw)* Statistical Functions (Max, Min, Average, Standard Deviation) * PASS / WARN / FAIL Color set to go Differential tolerances * Save 9 colors * User calibration function ensures higher accuracy * Auto memory (99 sets) and read function digital backlight display* Auto power off function * Applies USB and Bluetooth data output * Connect to PC using USB data output (optional) * Provides choice of Bluetooth data output (optional) Specifications: Screen Triple 4 digit LCD display auto power off approx. 3 minutes data memory capacity 99 sets (from LCD display (LCD display. Directly read) Battery level Low down display geometry lighting/display 45/0:45, measurement area color difference at 0: (L,a*,b*),(E*ab,C*ab,H*ab),(Y,x,y),(X,Y,Z),(Rs,Gs,Bs) or (WI,YI,Tw) color space: (L,a*ab,hab), (Y, x, y), (X, Y, Z), (Rs, Gs, Bs) or (Wide, Y,To) Target Color Memory 9 Channels Measuring Range L*:5 to 100 Measurement Conditions: CIE 2 Standard Observator: Light Sources White LED Lamp Reproduction Standard Deviation within E*ab 0.5 (Measurement Conditions: Average of Standard White Board Measurements) Minimum Interval Between Measuring Approx. 2 seconds Operating temperature and humidity. ; 85% RH storage temperature and humidity<; 70% RH power 4x1.5 AAA (UM-4) battery (not included) Dimensions 140x73x35mm (5.5x2.9x1.4 inches) Weight (without battery) Approx. 7.8 oz (220 g) including battery body measuring head white calibration card carrying case (B04) with manual optional accessories software Bluetooth data with cable software Adapter