Coatings Pigments Digital Reflectance Meter 0-100 Black and White Standard Board Features: Meets the international standards of ISO3906-1980 (E), ISO3905, ISO2814, and the national standards of GB/T13452.3-92, GB9270-88, GB5211.17-88 Use RS-232 data output to connect with PC (Cable and software is not included in the set) Provide Bluetooth data output choice (adapter and software is not included in the set) Auto / Manual power off User-friendly and easy to carry Specifications: Range: 0~100 Resolution: 0.1 Accuracy: ±1 Repeatability: 0.3Measuring Area: 7x14mm (Ellipse) The display data is in direct proportion to the reflected light. The spectral sensitivity of the instrument is approximately equal to the product of Sc(λ) and y(λ). Operation Condition: Temperature: 0~40°C Humidity: <85%RH Power Supply: 3.7 V Lithium Ion Rechargeable Battery Size: 141x45x79mm Weight: 310g (Including Batteries) Set Includes: 1 x Reflectance Meter (main unit) 2 x Standard board (Black and White) 2 x Testing Board (Black & White) 1 x Power Adapter 1 x Optic Cleaning Cloth English Operation Manual Carrying Case