WTL-100 type light transmittance of a meter, light meter WTL-100 type light transmittance meter is Zibo Micro-Electronics Co., People's Republic of China with the national standard, "the safe operation of motor vehicles technical conditions" (GB7258-2004) and autonomous development and production of new products, mainly used to measure a variety of glass and light transmittance of transparent and semi-transparent objects, with high accuracy, the error is small, compact, simple operation, widely used, can be applied to car manufacturing, glass, sun protection film, plastic products, other transparent or translucent material products and other industries. Second, the main technical parameters Ambient temperature: (0 ~ 40 ℃) Atmospheric pressure: 86.0KPa ~ 106.0 Kpa Relative Humidity: 20% ~ 85% light transmission: 100.0% Resolution: 0.1% Indication error: ± 2% maximum test thickness: 0 ~ 15mm Power: two 1.5VAAA Battery life: over 18 hours of continuous work with battery indicator.