Self wetting systems

Besides using the Skiddometer during rain, slush, and snow conditions (operational use), the Skiddometer is also used for checking the runway surface condition and “rubber build-ups” (Runway Calibration), i.e. measuring wet friction at a water depth of one millimeter. This measurement is based on recommendations of the International Civil Aviation Organization (ICAO), the Federal Aviation Administration (FAA), and ASTM standard E 1960 – 98.

Since wet pavement always yields the lowest friction measurements, we offer a self-wetting system which simulates wet pavement surface conditions and provides the operator with a continuous record of friction values along the length of the runway. The attached water pump and nozzle are designed to provide a uniform water depth of 1 mm (0.04 inches) in front of the friction measuring tire. This wetted surface produces friction values that are most meaningful in determining whether or not corrective actions are required.


Runway calibration equipment


WMS Self-wetting system

Runway calibrationFor regular runway calibration with a trailer-based Skiddometer BV11, we offer the WMS Water Measurement System. The WMS system is totally self-contained and offers maximum flexibility, as any vehicle can be used for towing. The stainless steel water tank is built from multiple compartments to prevent sloshing. Its capacity is sufficient to make the longest runway measurements with a single run.


Features and benefits

  • The most advanced self-wetting system on the market
  • Its robust pumping system automatically provides an always correct uniform water depth of 1 mm (0.04 inches)
  • The stainless steel tank’s volume can be suited and optimized for customer needs
  • Extremely stable, low center of gravity construction
  • Service free robust construction
  • Can be used to transport Skiddometer BV11 for longer distances, e.g. between different airports.

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Water OnBoard Self-wetting system

Friction tester watering systemThe Water Onboard system has the pump mounted on the towed Skiddometer BV11, and water tank in the tow vehicle. The water tank is a 1,000-liter flexible plastic water sack placed in the vehicle.


Features and benefits

  • The robust pumping system automatically provides an always correct uniform water depth of 1 mm (0.04 inches)
  • A cost effective solution which can be added to any Skiddometer BV11
  • The water tank can be suited to customer needs.

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Skiddometer BV11 VI

Vehicle integrated friction testerThe Skiddometer BV11VI (Vehicle Integration) is the latest innovation in friction measurement. Its proven technology has been adapted to use a hydraulic lift system with the Skiddometer BV11 and the Skiddometer Touch Screen computer, to provide better vehicle integration.

The vehicle integrated Skiddometer can be equipped with watering system which includes aluminum water tank and electrical pumping system. Pump can be controlled by the Touch Screen computer which makes the operation easy and water consumption is optimized.


Features and benefits

  • The electrical pumping system automatically provides an always correct uniform water depth of 1 mm (0.04 inches)
  • A cost effective solution which can be added to any Skiddometer BV11VI
  • The water tank and vehicle can be suited to customer needs
  • No separate systems, all integrated on the vehicle.

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