Benning Luxmeter Type B illuminance sensor. Available as an optional adapter for connection to the Benning IT 130 installation tester. Analogue display. Measuring range 0.01 lx - 20000 lx. Smallest resolution 0.01 lx. Accuracy class B. Precise lighting measurement for planning and testing indoor and outdoor lighting, such as (workplace lighting, street lighting, emergency lighting. Accuracy 5%.