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MEETS OR EXCEEDS ICAO RECOMMENDATIONS, WMO REQUIREMENTS
CONTINUES BELFORT’S REPUTATION FOR SUPIERIOR VISIBILITY SENSORS
SPECIFICALLY MANUFACTURED FOR RUNWAY VISUAL RANGE (RVR) APPLICATIONS
LATEST FORWARD SCATTER SENSOR TECHNOLOGY
COMPATABLE WITH CAT I, II, OR IIIB AIRPORTS
CAN BE USED AS A STAND-ALONE RVR OR INTERGRATED WITH OUR DIGIWX AWOS
 Specifications | PDF
Belfort Instrument Company presents its Runway Visual Range (RVR) system as a part of the company’s commitment to flight information and safety. The RVR system consists of our Model 6000 visibility sensor known worldwide as a standard in visibility measurement, the Belfort ambient light sensor (ALS), the Belfort runway light interface (RWIS), and the proprietary RVR software program. Belfort’s RVR system measures the transparency of the atmosphere and calculates an extension coefficient taking in to affect the ambient light conditions. When the runway light intensity is integrated into the RVR algorithm, runway visual range values are determined.
The Belfort forward scatter visibility sensor provides accurate measurements in all weather conditions, including fog, smoke, heavy precipitation and snow. Adding the high performance of the Model 6000 visibility sensor with our proven RVR algorithms insure the most accurate runway visual range values are reported to the users.
The Model 6000 visibility sensors, used in the RVR system, have been calibrated through a specific chain of standards traceable to a reference “transmissiometer”. Using this calibration standard ensures that the runway visual range measurements and calculations meet aviation quality standards.
Specifications
Performance
Measurement Range (MOR): 6m to 80km (20 ft to 50 miles)
Accuracy: +/- 10% or 3m (10 feet)
Output Intervals: 10 Sec or 1, 5, 10 minutes
Averaging Intervals: 3, 5, or 10 minutes
Measurement: Meteorological Optical Range (MOR)
or Extinction coefficient
Units: kilometers or miles
Baud Rate: Variable
Principle of Operation
Visibility sensor: Forward Scatter
Light source: Infrared LED
Scatter Angle: 42O
Communications: RS232, RS485, 300-38, 400 Baud
Ambient Light Sensor
Field of view: 6O
Range: 2 to 40,000 candelas/m2
Runway Light Interface
Hardware: RS232 Relay
Edge Light: CAT I, CAT II, and CAT IIIa installations
Centerline Lights: CAT IIIb installations
Control: RVR Software Control
RVR
Output Intervals: 10 -120 seconds
Averaging Intervals: 1, 2, and 10 minutes
Trend: 1, 2, and 10 minutes
Algorithms:
Daytime: Koschmieder’s Law
Nighttime: Allard’s Law
Reporting Range:
Meters: 0-2000
Feet: 0-6000
Environmental
Operating: -40 C to + 55 C (-400 to +1300F)
Approval: CE Approved
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