LABSPHERE Reflectance white square: SRT-99-020 (Approx ~2in square)

This item has been used before and been sitting around in a bin and haven\'t been used in years. There is a crack on the case cover.The LABSPHERE Reflectance Standard SRT 99 020 is a high-quality reference standard used for measuring reflectance in various industrial applications. Manufactured by LABSPHERE, this product ensures accurate and consistent results when testing the reflectance of materials or surfaces. This standard is essential for maintaining quality control and ensuring compliance with industry standards for reflectance measurements.