The Starr Instruments GMX-01 is a high quality, easy to use, single angle gloss meter. The single 60 degrees incidence angle is used for gloss measurement on many surfaces such as floor tiles, painted metal, plastics, windows and glass. Despite having a singular button, the GMX-01 has more functions than most other gloss meters on the market. With the ability to enter a Quality Control Mode, this Gloss Meter has programmable high and low limits which can alert the user if exceeded. In addition to this, documented results when connected to a computer can be exported through the software provided. These results are incredibly accurate with a repeatability of ±0.2 GU, allowing for consistent and reliable results across any range of measurement. FEATURES: Instantaneous Test Results Built-In Self Calibration Singular Button makes easy use Rechargeable Battery increases longevity Downloadable Software with included USB SPECIFICATIONS: Measuring Angle 60° Measuring Aperture 9mm x 15mm Measuring Range 0-200GU Minimum Material Size 20mm x 10mm Resolution 0.1GU Repeatability ±0.2GU Power Supply Built-In Rechargeable Battery Display 240 x 128 Dot Matrix Data / Software USB Stick (Included) Weight 240g (GMX-01)