This UV sensor is developed to measure the intensity of UV light in water treatment systems. It is calibrated for 20 W and delivers a measurement signal of 2 V. The sensor is supplied without a flange and is suited to installations that use custom or integrated mounting solutions. It is used to monitor UV lamp effectiveness over time and to warn of reduced radiation, so that optimal water quality can be maintained and faults in the installation prevented. Key benefits: Measures UV intensity for 20 W / 2 V. Supplied without a flange, suitable for custom adaptations. Provides continuous monitoring of UV output. Please contact us if you are unsure whether this UV sensor suits your system.