Vaisala Visibility Sensors PWD10, PWD20 and PWD20W

  • Accurate measurement of visibility
  • Compact and light-weight
  • 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.

 

Visibility (MOR) measurement

 

PWD10:
     Measurement range
PWD20 and PWD20W:
     Measurement range


10 ... 2000 m (32 ft ... 1.2 miles)

10 ... 20 000 m (32 ft ... 12 miles)

 

 

 

Operating environment

 

Temperature
Humidity

-40...+60 °C
0...100 %RH

Inputs and outputs

 

Outputs
Operating voltage

Power consumption
     PWD10, PWD20 and
     PWD20W
    

RS232, RS485, analog current, relay control
12 VDC ... 50 VDC (electronics)
24 VAC or 24 VDC for heater option

3 W (electronics with dew heater @ 12VDC)

Mechanics

 

Dimensions

Weight

40.4 (w) x 69.5 (l) x 19.9. (h) cm
(15.91" (w) x 27.36" (l) x 7.83" (h))
3 kg (7 lb)

For complete specifications, please see the brochure or user guide in "Product Documentation".

 

 

Typical delivery times

 

  USA

  EUROPE

  JAPAN, CHINA, ASIA

  1 - 5 products

  2 weeks

  2 weeks

  2 weeks

  1 - 15 products

  4 weeks

  4 weeks

  4 weeks

 

Spare parts

 

Common spare and wearing parts are available. For availability contact sales.

Repair

 

Repair services are available at Vaisala service centers for a fixed price.

Repair price includes:
-repair work
-required parts
-service report

Technical support

 

Technical support for your installed units, contact helpdesk@vaisala.com.

PWD10/PWD20 Visibility Sensors