Dynamic Friction Tester - DFTTM
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NAC offers the only “Made in America” precision tow-behind Continuous Friction Measurement Equipment (CFME), the NAC Dynamic Friction Tester -DFT™. The device has been recognized by industry leaders as a "revolutionary step forward, both in technology and friction measurement technique." Understanding the direct relation between friction values and fluid drag or pavement contaminate must be calculated to provide an accurate braking action report. Other methods are unable to produce information that is as accurate and repeatable as what is achieved using the NAC DFT.
The NAC DFT is certified by the Federal Aviation Administration for use as required within Appendix 4 of Advisory Circular 150/5320-12C , Measurement, Construction, and Maintenance of Skid-Resistant Airport Pavement Surfaces Change 8 . The DFT also complies with FAA/ICAO/CAA CAP 683 performance specifications. The DFT is an all-inclusive solution - Airports can perform all required testing with just one device, regardless of season.
The DFT accurately measures Mu (Roll) - rolling resistance of the pavement, and Mu (Slip) - skidding resistance of the pavement. With this information, contamination depth can be calculated directly on the DFT. The device is self-calibrating, requires no test board, calibration jig, or weights.
NAC DFT Performance Demo
Green Dragon Technology
represents our commitment to offering superior quality products that substantially enhance safety and our environment. The DFT is fitted with a solar panel and the new innovative centrifugal wetting system.Furthermore, the DFT is a sophisticated and environmentally-friendly, petroleum independent device. The use of solar-power in conjunction with a robust, built-to-last design dramatically reduces maintenance and operating expense. Now fitted with a ZERO EMISSIONS water pumping system, automatic wheel up system and a solar battery charger.
One device for testing in summer and winter conditions
Pavement Contaminant Depth Reporting
Self-wetting system with 132 gal Tank (12,000ft. RWY)
Battery (water proof) powered system with SOLAR & AC charging
Rated -45 to +80 degrees Celsius (wetting system not used below freezing)
Monitors ambient and surface temperatures
Forward and Reverse function without damaging device
Semi-automatic 10-second calibration procedure
Touch screen technology
Displays Military and Civilian Data Formats
Uses standard ASTM friction tires
Airfield and Highway Devices Available
Installed with NAC i-AIR® System (optional)
One Year Full Warranty
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Sample List of Customers
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McConnell AFB, KS
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Elmendorf AFB, AK
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Rochester International Airport, NY
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Sacramento International Airport, CA
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Amarillo International Airport, TX
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US Army, Yuma Proving Ground
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Tonopah Test Range, NV
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Ithaca Tomkins Regional Aiport, NY
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Federal Aviation Administration
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Centennial International Airport, CO
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Fort Smith Regional Airport, AR
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Rochester International Airport, NY
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Rutland, VT
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Atlantic City International Airport, NJ
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Burlington International Airport, VT
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Offut AFB, NE
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Columbia Metropolitan Airport, SC
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Ramstein Air Base, Germany
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Puntacana International Airport, Dominican Republic
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Broward County Ft. Lauderdale Airport
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Birmingham Airport Authority
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Yeager Airport
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West Virginia Department of Transportation
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Greater Rockford Airport
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Fort Bliss, TX
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Andrews AFB
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Panama - ICAO
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TF Green Airport, RI
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Eastern Iowa Regional Airport, IA
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Martin State Airport, MD
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Mexico City International Airport, MX
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Guam International Airport, Guam
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Kunming Airport, China
For a full list of customers please
Contact NAC
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