Description Cricket Umpire Light/Lux meter Perfect for umpires who want a consistant finish time for safety reasons. Resolution: 0.1Lux / 0.01Fc Accuracy: ±4% Power supply: 9V battery(not included) Measuring range: 0.1~200,000 Lux, 0.01~20,000Fc Working environment: 14 to 122°F (-10 to 50°C), 10%~90%RH Sampling frequency: 2 times / sec Storage environment: 14 to 131°F (-10 to 55°C), 10% to 95% RH
