Home | About Us | Products | Services | Careers | Contact Us | Resources | Testimonials   Barometric Pressure Carbon Dioxide Transmitters Humidity and Dew Point Transmitters Moisture in Oil Transmitters Continuous Monitoring System Automatic Weather Stations Sounding Systems and Radiosondes Thunderstorm / Lightning Detection Systems Weather Radars Ceilometers Sensors     Under Construction..   Click here to continue. Products » By Manufacturer » Vaisala » Sensors » Vaisala Visibility Sensors PWD10, PWD20, PWD20W Vaisala Visibility Sensors PWD10, PWD20, PWD20W Accurate measurement of visibility Robust and versatile Easy to install Visibility Sensor PWD20W for Wind Turbines: Obstruction lights are used for marking the Wind Turbines for aviation safety. Some countries have established regulations for reducing the intensity of the obstruction lights basing on visibility. Wind Turbines can be equipped with Vaisala Visibility Sensor PWD20W, which is designed for this application. Several manufacturers have chosen Vaisala PWD20W due to its robustness and versatility. To request more information, please fill the form below. First Name: Last Name: Title: Company: Address: City: E-mail: Phone: - Comments: