Model: YZD20000 Description: YZD20000 Illuminometer Introduction: 1. Latest digital measuring technology to overcome current zero drift problem. 2. High anti-interference ability and conversion precision. 3. Large dynamic range digital sensor to eliminate the range-changing errors. Technology parameters: 1. Display: 3 1/2 digits LCD display. 2. Measuring range: 0.1Lux~200,000Lux, 0.01FC~20,000FC 3. Accuracy: ± 3%, ± 5%ï¼?â?¥20,000Lux or 2,000FCï¼? 4. Data hold function. 5. Peak value measurement function, optical pulse signal can be measured. 6. Low battery indicating function.