TA636A Digital Lux Meter Wide measurement range: 0.1 lux to 200000 lux (0.01 fc to 20000 fc), designed to cover a broad span of indoor and outdoor lighting conditions. precision probe: Silicon photodiode sensor with filter lenses and an incidence angle of 120 degrees for accurate readings. Convenient LUX/FC switching: Switch between LUX and FC units quickly using the Changan UNIT key for flexible measurements. Maximum/minimum value display: Easily view the peak and lowest illuminance values to track changes over time. Performance and reliability: Engineered for accurate, repeatable measurements in professional environments. Use scenarios Photography and videography: Evaluate and adjust lighting to achieve correct exposure and color balance. Indoor horticulture: Monitor light intensity to support healthy plant growth in homes or greenhouses. Office, retail, and studio spaces: Verify lighting levels align with standards and maintain consistent illumination across areas.